annotate src/gc.c @ 3260:020e42010015

[xemacs-hg @ 2006-02-26 14:28:34 by michaels] 2006-02-26 Mike Sperber <mike@xemacs.org> * xemacs/building.texi (External Lisp): Document that `run-lisp' needs the os-utils package.
author michaels
date Sun, 26 Feb 2006 14:28:38 +0000
parents 141c2920ea48
children d674024a8674
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3092
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1 /* New incremental garbage collector for XEmacs.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2 Copyright (C) 2005 Marcus Crestani.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
3
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
4 This file is part of XEmacs.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
5
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
6 XEmacs is free software; you can redistribute it and/or modify it
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
7 under the terms of the GNU General Public License as published by the
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
8 Free Software Foundation; either version 2, or (at your option) any
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
9 later version.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
10
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
14 for more details.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
15
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
16 You should have received a copy of the GNU General Public License
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
17 along with XEmacs; see the file COPYING. If not, write to
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
19 Boston, MA 02111-1307, USA. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
20
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
21 /* Synched up with: Not in FSF. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
22
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
23 #include <config.h>
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
24 #include "lisp.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
25
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
26 #include "backtrace.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
27 #include "buffer.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
28 #include "bytecode.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
29 #include "chartab.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
30 #include "console-stream.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
31 #include "device.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
32 #include "elhash.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
33 #include "events.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
34 #include "extents-impl.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
35 #include "file-coding.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
36 #include "frame-impl.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
37 #include "gc.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
38 #include "glyphs.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
39 #include "opaque.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
40 #include "lrecord.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
41 #include "lstream.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
42 #include "process.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
43 #include "profile.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
44 #include "redisplay.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
45 #include "specifier.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
46 #include "sysfile.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
47 #include "sysdep.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
48 #include "window.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
49 #include "vdb.h"
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
50
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
51
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
52 #define GC_CONS_THRESHOLD 2000000
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
53 #define GC_CONS_INCREMENTAL_THRESHOLD 200000
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
54 #define GC_INCREMENTAL_TRAVERSAL_THRESHOLD 100000
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
55
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
56 /* Number of bytes of consing done since the last GC. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
57 EMACS_INT consing_since_gc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
58
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
59 /* Number of bytes of consing done since startup. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
60 EMACS_UINT total_consing;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
61
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
62 /* Number of bytes of current allocated heap objects. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
63 EMACS_INT total_gc_usage;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
64
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
65 /* If the above is set. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
66 int total_gc_usage_set;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
67
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
68 /* Number of bytes of consing since gc before another gc should be done. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
69 EMACS_INT gc_cons_threshold;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
70
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
71 /* Nonzero during gc */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
72 int gc_in_progress;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
73
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
74 /* Percentage of consing of total data size before another GC. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
75 EMACS_INT gc_cons_percentage;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
76
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
77 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
78 /* Number of bytes of consing since gc before another cycle of the gc
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
79 should be done in incremental mode. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
80 EMACS_INT gc_cons_incremental_threshold;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
81
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
82 /* Number of elements marked in one cycle of incremental GC. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
83 EMACS_INT gc_incremental_traversal_threshold;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
84
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
85 /* Nonzero during write barrier */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
86 int write_barrier_enabled;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
87 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
88
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
89
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
90
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
91 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
92 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
93 /* Incremental State and Statistics */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
94 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
95
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
96 enum gc_phase
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
97 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
98 NONE,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
99 INIT_GC,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
100 PUSH_ROOT_SET,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
101 MARK,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
102 REPUSH_ROOT_SET,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
103 FINISH_MARK,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
104 FINALIZE,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
105 SWEEP,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
106 FINISH_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
107 };
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
108
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
109 #ifndef ERROR_CHECK_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
110 struct
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
111 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
112 enum gc_phase phase;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
113 } gc_state;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
114 #else /* ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
115 enum gc_stat_id
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
116 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
117 GC_STAT_TOTAL,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
118 GC_STAT_IN_LAST_GC,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
119 GC_STAT_IN_THIS_GC,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
120 GC_STAT_IN_LAST_CYCLE,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
121 GC_STAT_IN_THIS_CYCLE,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
122 GC_STAT_COUNT /* has to be last */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
123 };
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
124
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
125 struct
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
126 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
127 enum gc_phase phase;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
128 EMACS_INT n_gc[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
129 EMACS_INT n_cycles[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
130 EMACS_INT enqueued[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
131 EMACS_INT dequeued[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
132 EMACS_INT repushed[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
133 EMACS_INT enqueued2[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
134 EMACS_INT dequeued2[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
135 EMACS_INT finalized[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
136 EMACS_INT freed[GC_STAT_COUNT];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
137 EMACS_INT explicitly_freed;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
138 EMACS_INT explicitly_tried_freed;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
139 } gc_state;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
140 #endif /* ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
141
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
142 #define GC_PHASE gc_state.phase
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
143 #define GC_SET_PHASE(p) GC_PHASE = p
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
144
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
145 #ifdef ERROR_CHECK_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
146 # define GC_STAT_START_NEW_GC gc_stat_start_new_gc ()
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
147 # define GC_STAT_RESUME_GC gc_stat_resume_gc ()
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
148
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
149 #define GC_STAT_TICK(STAT) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
150 gc_state.STAT[GC_STAT_TOTAL]++; \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
151 gc_state.STAT[GC_STAT_IN_THIS_GC]++; \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
152 gc_state.STAT[GC_STAT_IN_THIS_CYCLE]++
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
153
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
154 # define GC_STAT_ENQUEUED \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
155 if (GC_PHASE == REPUSH_ROOT_SET) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
156 { \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
157 GC_STAT_TICK (enqueued2); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
158 } \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
159 else \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
160 { \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
161 GC_STAT_TICK (enqueued); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
162 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
163
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
164 # define GC_STAT_DEQUEUED \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
165 if (gc_state.phase == REPUSH_ROOT_SET) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
166 { \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
167 GC_STAT_TICK (dequeued2); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
168 } \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
169 else \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
170 { \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
171 GC_STAT_TICK (dequeued); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
172 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
173 # define GC_STAT_REPUSHED GC_STAT_TICK (repushed)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
174
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
175 #define GC_STAT_RESUME(stat) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
176 gc_state.stat[GC_STAT_IN_LAST_CYCLE] = \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
177 gc_state.stat[GC_STAT_IN_THIS_CYCLE]; \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
178 gc_state.stat[GC_STAT_IN_THIS_CYCLE] = 0
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
179
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
180 #define GC_STAT_RESTART(stat) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
181 gc_state.stat[GC_STAT_IN_LAST_GC] = \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
182 gc_state.stat[GC_STAT_IN_THIS_GC]; \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
183 gc_state.stat[GC_STAT_IN_THIS_GC] = 0; \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
184 GC_STAT_RESUME (stat)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
185
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
186 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
187 gc_stat_start_new_gc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
188 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
189 gc_state.n_gc[GC_STAT_TOTAL]++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
190 gc_state.n_cycles[GC_STAT_TOTAL]++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
191 gc_state.n_cycles[GC_STAT_IN_LAST_GC] = gc_state.n_cycles[GC_STAT_IN_THIS_GC];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
192 gc_state.n_cycles[GC_STAT_IN_THIS_GC] = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
193
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
194 GC_STAT_RESTART (enqueued);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
195 GC_STAT_RESTART (dequeued);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
196 GC_STAT_RESTART (repushed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
197 GC_STAT_RESTART (finalized);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
198 GC_STAT_RESTART (enqueued2);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
199 GC_STAT_RESTART (dequeued2);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
200 GC_STAT_RESTART (freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
201 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
202
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
203 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
204 gc_stat_resume_gc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
205 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
206 gc_state.n_cycles[GC_STAT_TOTAL]++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
207 gc_state.n_cycles[GC_STAT_IN_THIS_GC]++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
208 GC_STAT_RESUME (enqueued);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
209 GC_STAT_RESUME (dequeued);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
210 GC_STAT_RESUME (repushed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
211 GC_STAT_RESUME (finalized);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
212 GC_STAT_RESUME (enqueued2);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
213 GC_STAT_RESUME (dequeued2);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
214 GC_STAT_RESUME (freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
215 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
216
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
217 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
218 gc_stat_finalized (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
219 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
220 GC_STAT_TICK (finalized);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
221 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
222
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
223 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
224 gc_stat_freed (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
225 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
226 GC_STAT_TICK (freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
227 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
228
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
229 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
230 gc_stat_explicitly_freed (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
231 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
232 gc_state.explicitly_freed++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
233 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
234
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
235 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
236 gc_stat_explicitly_tried_freed (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
237 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
238 gc_state.explicitly_tried_freed++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
239 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
240
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
241 #define GC_STAT_PRINT_ONE(stat) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
242 printf (" | %9s %10d %10d %10d %10d %10d\n", \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
243 #stat, \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
244 (int) gc_state.stat[GC_STAT_TOTAL], \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
245 (int) gc_state.stat[GC_STAT_IN_LAST_GC], \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
246 (int) gc_state.stat[GC_STAT_IN_THIS_GC], \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
247 (int) gc_state.stat[GC_STAT_IN_LAST_CYCLE], \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
248 (int) gc_state.stat[GC_STAT_IN_THIS_CYCLE])
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
249
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
250 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
251 gc_stat_print_stats (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
252 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
253 printf (" | PHASE %d TOTAL_GC %d\n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
254 (int) GC_PHASE,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
255 (int) gc_state.n_gc[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
256 printf (" | %9s %10s %10s %10s %10s %10s\n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
257 "stat", "total", "last_gc", "this_gc",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
258 "last_cycle", "this_cycle");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
259 printf (" | %9s %10d %10d %10d \n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
260 "cycle", (int) gc_state.n_cycles[GC_STAT_TOTAL],
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
261 (int) gc_state.n_cycles[GC_STAT_IN_LAST_GC],
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
262 (int) gc_state.n_cycles[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
263
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
264 GC_STAT_PRINT_ONE (enqueued);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
265 GC_STAT_PRINT_ONE (dequeued);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
266 GC_STAT_PRINT_ONE (repushed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
267 GC_STAT_PRINT_ONE (enqueued2);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
268 GC_STAT_PRINT_ONE (dequeued2);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
269 GC_STAT_PRINT_ONE (finalized);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
270 GC_STAT_PRINT_ONE (freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
271
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
272 printf (" | explicitly freed %d tried %d\n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
273 (int) gc_state.explicitly_freed,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
274 (int) gc_state.explicitly_tried_freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
275 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
276
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
277 DEFUN("gc-stats", Fgc_stats, 0, 0 ,"", /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
278 Return statistics about garbage collection cycles in a property list.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
279 */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
280 ())
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
281 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
282 Lisp_Object pl = Qnil;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
283 #define PL(name,value) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
284 pl = cons3 (intern (name), make_int ((int) gc_state.value), pl)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
285
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
286 PL ("explicitly-tried-freed", explicitly_tried_freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
287 PL ("explicitly-freed", explicitly_freed);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
288 PL ("freed-in-this-cycle", freed[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
289 PL ("freed-in-this-gc", freed[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
290 PL ("freed-in-last-cycle", freed[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
291 PL ("freed-in-last-gc", freed[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
292 PL ("freed-total", freed[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
293 PL ("finalized-in-this-cycle", finalized[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
294 PL ("finalized-in-this-gc", finalized[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
295 PL ("finalized-in-last-cycle", finalized[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
296 PL ("finalized-in-last-gc", finalized[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
297 PL ("finalized-total", finalized[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
298 PL ("repushed-in-this-cycle", repushed[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
299 PL ("repushed-in-this-gc", repushed[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
300 PL ("repushed-in-last-cycle", repushed[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
301 PL ("repushed-in-last-gc", repushed[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
302 PL ("repushed-total", repushed[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
303 PL ("dequeued2-in-this-cycle", dequeued2[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
304 PL ("dequeued2-in-this-gc", dequeued2[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
305 PL ("dequeued2-in-last-cycle", dequeued2[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
306 PL ("dequeued2-in-last-gc", dequeued2[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
307 PL ("dequeued2-total", dequeued2[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
308 PL ("enqueued2-in-this-cycle", enqueued2[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
309 PL ("enqueued2-in-this-gc", enqueued2[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
310 PL ("enqueued2-in-last-cycle", enqueued2[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
311 PL ("enqueued2-in-last-gc", enqueued2[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
312 PL ("enqueued2-total", enqueued2[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
313 PL ("dequeued-in-this-cycle", dequeued[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
314 PL ("dequeued-in-this-gc", dequeued[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
315 PL ("dequeued-in-last-cycle", dequeued[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
316 PL ("dequeued-in-last-gc", dequeued[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
317 PL ("dequeued-total", dequeued[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
318 PL ("enqueued-in-this-cycle", enqueued[GC_STAT_IN_THIS_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
319 PL ("enqueued-in-this-gc", enqueued[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
320 PL ("enqueued-in-last-cycle", enqueued[GC_STAT_IN_LAST_CYCLE]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
321 PL ("enqueued-in-last-gc", enqueued[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
322 PL ("enqueued-total", enqueued[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
323 PL ("n-cycles-in-this-gc", n_cycles[GC_STAT_IN_THIS_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
324 PL ("n-cycles-in-last-gc", n_cycles[GC_STAT_IN_LAST_GC]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
325 PL ("n-cycles-total", n_cycles[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
326 PL ("n-gc-total", n_gc[GC_STAT_TOTAL]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
327 PL ("phase", phase);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
328 return pl;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
329 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
330 #else /* not ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
331 # define GC_STAT_START_NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
332 # define GC_STAT_RESUME_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
333 # define GC_STAT_ENQUEUED
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
334 # define GC_STAT_DEQUEUED
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
335 # define GC_STAT_REPUSHED
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
336 # define GC_STAT_REMOVED
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
337 #endif /* not ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
338 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
339
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
340
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
341 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
342 /* Recompute need to garbage collect */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
343 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
344
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
345 int need_to_garbage_collect;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
346
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
347 #ifdef ERROR_CHECK_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
348 int always_gc = 0; /* Debugging hack; equivalent to
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
349 (setq gc-cons-thresold -1) */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
350 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
351 #define always_gc 0
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
352 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
353
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
354 /* True if it's time to garbage collect now. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
355 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
356 recompute_need_to_garbage_collect (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
357 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
358 if (always_gc)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
359 need_to_garbage_collect = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
360 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
361 need_to_garbage_collect =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
362 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
363 write_barrier_enabled ?
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
364 (consing_since_gc > gc_cons_incremental_threshold) :
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
365 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
366 (consing_since_gc > gc_cons_threshold
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
367 &&
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
368 #if 0 /* #### implement this better */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
369 (100 * consing_since_gc) / total_data_usage () >=
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
370 gc_cons_percentage
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
371 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
372 (!total_gc_usage_set ||
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
373 (100 * consing_since_gc) / total_gc_usage >=
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
374 gc_cons_percentage)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
375 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
376 );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
377 recompute_funcall_allocation_flag ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
378 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
379
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
380
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
381
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
382 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
383 /* Mark Phase */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
384 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
385
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
386 static const struct memory_description lisp_object_description_1[] = {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
387 { XD_LISP_OBJECT, 0 },
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
388 { XD_END }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
389 };
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
390
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
391 const struct sized_memory_description lisp_object_description = {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
392 sizeof (Lisp_Object),
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
393 lisp_object_description_1
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
394 };
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
395
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
396 #if defined (USE_KKCC) || defined (PDUMP)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
397
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
398 /* This function extracts the value of a count variable described somewhere
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
399 else in the description. It is converted corresponding to the type */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
400 EMACS_INT
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
401 lispdesc_indirect_count_1 (EMACS_INT code,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
402 const struct memory_description *idesc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
403 const void *idata)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
404 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
405 EMACS_INT count;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
406 const void *irdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
407
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
408 int line = XD_INDIRECT_VAL (code);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
409 int delta = XD_INDIRECT_DELTA (code);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
410
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
411 irdata = ((char *) idata) +
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
412 lispdesc_indirect_count (idesc[line].offset, idesc, idata);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
413 switch (idesc[line].type)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
414 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
415 case XD_BYTECOUNT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
416 count = * (Bytecount *) irdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
417 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
418 case XD_ELEMCOUNT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
419 count = * (Elemcount *) irdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
420 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
421 case XD_HASHCODE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
422 count = * (Hashcode *) irdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
423 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
424 case XD_INT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
425 count = * (int *) irdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
426 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
427 case XD_LONG:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
428 count = * (long *) irdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
429 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
430 default:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
431 stderr_out ("Unsupported count type : %d (line = %d, code = %ld)\n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
432 idesc[line].type, line, (long) code);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
433 #if defined(USE_KKCC) && defined(DEBUG_XEMACS)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
434 if (gc_in_progress)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
435 kkcc_backtrace ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
436 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
437 #ifdef PDUMP
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
438 if (in_pdump)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
439 pdump_backtrace ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
440 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
441 count = 0; /* warning suppression */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
442 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
443 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
444 count += delta;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
445 return count;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
446 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
447
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
448 /* SDESC is a "description map" (basically, a list of offsets used for
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
449 successive indirections) and OBJ is the first object to indirect off of.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
450 Return the description ultimately found. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
451
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
452 const struct sized_memory_description *
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
453 lispdesc_indirect_description_1 (const void *obj,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
454 const struct sized_memory_description *sdesc)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
455 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
456 int pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
457
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
458 for (pos = 0; sdesc[pos].size >= 0; pos++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
459 obj = * (const void **) ((const char *) obj + sdesc[pos].size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
460
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
461 return (const struct sized_memory_description *) obj;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
462 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
463
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
464 /* Compute the size of the data at RDATA, described by a single entry
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
465 DESC1 in a description array. OBJ and DESC are used for
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
466 XD_INDIRECT references. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
467
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
468 static Bytecount
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
469 lispdesc_one_description_line_size (void *rdata,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
470 const struct memory_description *desc1,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
471 const void *obj,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
472 const struct memory_description *desc)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
473 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
474 union_switcheroo:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
475 switch (desc1->type)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
476 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
477 case XD_LISP_OBJECT_ARRAY:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
478 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
479 EMACS_INT val = lispdesc_indirect_count (desc1->data1, desc, obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
480 return (val * sizeof (Lisp_Object));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
481 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
482 case XD_LISP_OBJECT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
483 case XD_LO_LINK:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
484 return sizeof (Lisp_Object);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
485 case XD_OPAQUE_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
486 return sizeof (void *);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
487 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
488 case XD_LISP_OBJECT_BLOCK_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
489 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
490 case XD_BLOCK_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
491 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
492 EMACS_INT val = lispdesc_indirect_count (desc1->data1, desc, obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
493 return val * sizeof (void *);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
494 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
495 case XD_BLOCK_ARRAY:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
496 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
497 EMACS_INT val = lispdesc_indirect_count (desc1->data1, desc, obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
498
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
499 return (val *
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
500 lispdesc_block_size
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
501 (rdata,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
502 lispdesc_indirect_description (obj, desc1->data2.descr)));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
503 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
504 case XD_OPAQUE_DATA_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
505 return sizeof (void *);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
506 case XD_UNION_DYNAMIC_SIZE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
507 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
508 /* If an explicit size was given in the first-level structure
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
509 description, use it; else compute size based on current union
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
510 constant. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
511 const struct sized_memory_description *sdesc =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
512 lispdesc_indirect_description (obj, desc1->data2.descr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
513 if (sdesc->size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
514 return sdesc->size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
515 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
516 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
517 desc1 = lispdesc_process_xd_union (desc1, desc, obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
518 if (desc1)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
519 goto union_switcheroo;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
520 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
521 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
522 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
523 case XD_UNION:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
524 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
525 /* If an explicit size was given in the first-level structure
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
526 description, use it; else compute size based on maximum of all
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
527 possible structures. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
528 const struct sized_memory_description *sdesc =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
529 lispdesc_indirect_description (obj, desc1->data2.descr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
530 if (sdesc->size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
531 return sdesc->size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
532 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
533 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
534 int count;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
535 Bytecount max_size = -1, size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
536
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
537 desc1 = sdesc->description;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
538
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
539 for (count = 0; desc1[count].type != XD_END; count++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
540 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
541 size = lispdesc_one_description_line_size (rdata,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
542 &desc1[count],
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
543 obj, desc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
544 if (size > max_size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
545 max_size = size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
546 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
547 return max_size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
548 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
549 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
550 case XD_ASCII_STRING:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
551 return sizeof (void *);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
552 case XD_DOC_STRING:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
553 return sizeof (void *);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
554 case XD_INT_RESET:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
555 return sizeof (int);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
556 case XD_BYTECOUNT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
557 return sizeof (Bytecount);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
558 case XD_ELEMCOUNT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
559 return sizeof (Elemcount);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
560 case XD_HASHCODE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
561 return sizeof (Hashcode);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
562 case XD_INT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
563 return sizeof (int);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
564 case XD_LONG:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
565 return sizeof (long);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
566 default:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
567 stderr_out ("Unsupported dump type : %d\n", desc1->type);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
568 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
569 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
570
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
571 return 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
572 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
573
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
574
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
575 /* Return the size of the memory block (NOT necessarily a structure!)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
576 described by SDESC and pointed to by OBJ. If SDESC records an
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
577 explicit size (i.e. non-zero), it is simply returned; otherwise,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
578 the size is calculated by the maximum offset and the size of the
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
579 object at that offset, rounded up to the maximum alignment. In
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
580 this case, we may need the object, for example when retrieving an
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
581 "indirect count" of an inlined array (the count is not constant,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
582 but is specified by one of the elements of the memory block). (It
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
583 is generally not a problem if we return an overly large size -- we
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
584 will simply end up reserving more space than necessary; but if the
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
585 size is too small we could be in serious trouble, in particular
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
586 with nested inlined structures, where there may be alignment
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
587 padding in the middle of a block. #### In fact there is an (at
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
588 least theoretical) problem with an overly large size -- we may
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
589 trigger a protection fault when reading from invalid memory. We
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
590 need to handle this -- perhaps in a stupid but dependable way,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
591 i.e. by trapping SIGSEGV and SIGBUS.) */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
592
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
593 Bytecount
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
594 lispdesc_block_size_1 (const void *obj, Bytecount size,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
595 const struct memory_description *desc)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
596 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
597 EMACS_INT max_offset = -1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
598 int max_offset_pos = -1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
599 int pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
600
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
601 if (size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
602 return size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
603
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
604 for (pos = 0; desc[pos].type != XD_END; pos++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
605 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
606 EMACS_INT offset = lispdesc_indirect_count (desc[pos].offset, desc, obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
607 if (offset == max_offset)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
608 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
609 stderr_out ("Two relocatable elements at same offset?\n");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
610 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
611 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
612 else if (offset > max_offset)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
613 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
614 max_offset = offset;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
615 max_offset_pos = pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
616 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
617 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
618
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
619 if (max_offset_pos < 0)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
620 return 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
621
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
622 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
623 Bytecount size_at_max;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
624 size_at_max =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
625 lispdesc_one_description_line_size ((char *) obj + max_offset,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
626 &desc[max_offset_pos], obj, desc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
627
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
628 /* We have no way of knowing the required alignment for this structure,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
629 so just make it maximally aligned. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
630 return MAX_ALIGN_SIZE (max_offset + size_at_max);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
631 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
632 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
633 #endif /* defined (USE_KKCC) || defined (PDUMP) */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
634
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
635 #ifdef MC_ALLOC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
636 #define GC_CHECK_NOT_FREE(lheader) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
637 gc_checking_assert (! LRECORD_FREE_P (lheader));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
638 #else /* MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
639 #define GC_CHECK_NOT_FREE(lheader) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
640 gc_checking_assert (! LRECORD_FREE_P (lheader)); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
641 gc_checking_assert (LHEADER_IMPLEMENTATION (lheader)->basic_p || \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
642 ! ((struct old_lcrecord_header *) lheader)->free)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
643 #endif /* MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
644
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
645 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
646 /* The following functions implement the new mark algorithm.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
647 They mark objects according to their descriptions. They
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
648 are modeled on the corresponding pdumper procedures. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
649
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
650 #if 0
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
651 # define KKCC_STACK_AS_QUEUE 1
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
652 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
653
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
654 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
655 /* The backtrace for the KKCC mark functions. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
656 #define KKCC_INIT_BT_STACK_SIZE 4096
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
657
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
658 typedef struct
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
659 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
660 void *obj;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
661 const struct memory_description *desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
662 int pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
663 } kkcc_bt_stack_entry;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
664
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
665 static kkcc_bt_stack_entry *kkcc_bt;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
666 static int kkcc_bt_stack_size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
667 static int kkcc_bt_depth = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
668
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
669 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
670 kkcc_bt_init (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
671 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
672 kkcc_bt_depth = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
673 kkcc_bt_stack_size = KKCC_INIT_BT_STACK_SIZE;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
674 kkcc_bt = (kkcc_bt_stack_entry *)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
675 xmalloc_and_zero (kkcc_bt_stack_size * sizeof (kkcc_bt_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
676 if (!kkcc_bt)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
677 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
678 stderr_out ("KKCC backtrace stack init failed for size %d\n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
679 kkcc_bt_stack_size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
680 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
681 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
682 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
683
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
684 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
685 kkcc_backtrace (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
686 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
687 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
688 stderr_out ("KKCC mark stack backtrace :\n");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
689 for (i = kkcc_bt_depth - 1; i >= 0; i--)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
690 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
691 Lisp_Object obj = wrap_pointer_1 (kkcc_bt[i].obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
692 stderr_out (" [%d]", i);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
693 if ((XRECORD_LHEADER (obj)->type >= lrecord_type_last_built_in_type)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
694 || (!LRECORDP (obj))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
695 || (!XRECORD_LHEADER_IMPLEMENTATION (obj)))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
696 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
697 stderr_out (" non Lisp Object");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
698 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
699 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
700 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
701 stderr_out (" %s",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
702 XRECORD_LHEADER_IMPLEMENTATION (obj)->name);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
703 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
704 stderr_out (" (addr: 0x%x, desc: 0x%x, ",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
705 (int) kkcc_bt[i].obj,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
706 (int) kkcc_bt[i].desc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
707 if (kkcc_bt[i].pos >= 0)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
708 stderr_out ("pos: %d)\n", kkcc_bt[i].pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
709 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
710 if (kkcc_bt[i].pos == -1)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
711 stderr_out ("root set)\n");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
712 else if (kkcc_bt[i].pos == -2)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
713 stderr_out ("dirty object)\n");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
714 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
715 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
716
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
717 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
718 kkcc_bt_stack_realloc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
719 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
720 kkcc_bt_stack_size *= 2;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
721 kkcc_bt = (kkcc_bt_stack_entry *)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
722 xrealloc (kkcc_bt, kkcc_bt_stack_size * sizeof (kkcc_bt_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
723 if (!kkcc_bt)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
724 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
725 stderr_out ("KKCC backtrace stack realloc failed for size %d\n",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
726 kkcc_bt_stack_size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
727 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
728 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
729 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
730
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
731 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
732 kkcc_bt_free (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
733 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
734 xfree_1 (kkcc_bt);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
735 kkcc_bt = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
736 kkcc_bt_stack_size = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
737 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
738
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
739 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
740 kkcc_bt_push (void *obj, const struct memory_description *desc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
741 int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
742 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
743 kkcc_bt_depth = level;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
744 kkcc_bt[kkcc_bt_depth].obj = obj;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
745 kkcc_bt[kkcc_bt_depth].desc = desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
746 kkcc_bt[kkcc_bt_depth].pos = pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
747 kkcc_bt_depth++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
748 if (kkcc_bt_depth >= kkcc_bt_stack_size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
749 kkcc_bt_stack_realloc ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
750 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
751
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
752 #else /* not DEBUG_XEMACS */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
753 #define kkcc_bt_init()
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
754 #define kkcc_bt_push(obj, desc, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
755 #endif /* not DEBUG_XEMACS */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
756
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
757 /* Object memory descriptions are in the lrecord_implementation structure.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
758 But copying them to a parallel array is much more cache-friendly. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
759 const struct memory_description *lrecord_memory_descriptions[countof (lrecord_implementations_table)];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
760
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
761 /* the initial stack size in kkcc_gc_stack_entries */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
762 #define KKCC_INIT_GC_STACK_SIZE 16384
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
763
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
764 typedef struct
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
765 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
766 void *data;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
767 const struct memory_description *desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
768 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
769 int level;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
770 int pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
771 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
772 } kkcc_gc_stack_entry;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
773
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
774
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
775 static kkcc_gc_stack_entry *kkcc_gc_stack_ptr;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
776 static int kkcc_gc_stack_front;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
777 static int kkcc_gc_stack_rear;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
778 static int kkcc_gc_stack_size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
779
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
780 #define KKCC_INC(i) ((i + 1) % kkcc_gc_stack_size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
781 #define KKCC_INC2(i) ((i + 2) % kkcc_gc_stack_size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
782
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
783 #define KKCC_GC_STACK_FULL (KKCC_INC2 (kkcc_gc_stack_rear) == kkcc_gc_stack_front)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
784 #define KKCC_GC_STACK_EMPTY (KKCC_INC (kkcc_gc_stack_rear) == kkcc_gc_stack_front)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
785
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
786 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
787 kkcc_gc_stack_init (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
788 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
789 kkcc_gc_stack_size = KKCC_INIT_GC_STACK_SIZE;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
790 kkcc_gc_stack_ptr = (kkcc_gc_stack_entry *)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
791 xmalloc_and_zero (kkcc_gc_stack_size * sizeof (kkcc_gc_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
792 if (!kkcc_gc_stack_ptr)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
793 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
794 stderr_out ("stack init failed for size %d\n", kkcc_gc_stack_size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
795 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
796 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
797 kkcc_gc_stack_front = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
798 kkcc_gc_stack_rear = kkcc_gc_stack_size - 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
799 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
800
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
801 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
802 kkcc_gc_stack_free (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
803 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
804 xfree_1 (kkcc_gc_stack_ptr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
805 kkcc_gc_stack_ptr = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
806 kkcc_gc_stack_front = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
807 kkcc_gc_stack_rear = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
808 kkcc_gc_stack_size = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
809 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
810
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
811 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
812 kkcc_gc_stack_realloc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
813 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
814 kkcc_gc_stack_entry *old_ptr = kkcc_gc_stack_ptr;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
815 int old_size = kkcc_gc_stack_size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
816 kkcc_gc_stack_size *= 2;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
817 kkcc_gc_stack_ptr = (kkcc_gc_stack_entry *)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
818 xmalloc_and_zero (kkcc_gc_stack_size * sizeof (kkcc_gc_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
819 if (!kkcc_gc_stack_ptr)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
820 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
821 stderr_out ("stack realloc failed for size %d\n", kkcc_gc_stack_size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
822 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
823 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
824 if (kkcc_gc_stack_rear >= kkcc_gc_stack_front)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
825 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
826 int number_elements = kkcc_gc_stack_rear - kkcc_gc_stack_front + 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
827 memcpy (kkcc_gc_stack_ptr, &old_ptr[kkcc_gc_stack_front],
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
828 number_elements * sizeof (kkcc_gc_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
829 kkcc_gc_stack_front = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
830 kkcc_gc_stack_rear = number_elements - 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
831 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
832 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
833 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
834 int number_elements = old_size - kkcc_gc_stack_front;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
835 memcpy (kkcc_gc_stack_ptr, &old_ptr[kkcc_gc_stack_front],
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
836 number_elements * sizeof (kkcc_gc_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
837 memcpy (&kkcc_gc_stack_ptr[number_elements], &old_ptr[0],
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
838 (kkcc_gc_stack_rear + 1) * sizeof (kkcc_gc_stack_entry));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
839 kkcc_gc_stack_front = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
840 kkcc_gc_stack_rear = kkcc_gc_stack_rear + number_elements;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
841 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
842 xfree_1 (old_ptr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
843 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
844
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
845 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
846 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
847 kkcc_gc_stack_push_1 (void *data, const struct memory_description *desc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
848 int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
849 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
850 kkcc_gc_stack_push_1 (void *data, const struct memory_description *desc)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
851 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
852 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
853 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
854 GC_STAT_ENQUEUED;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
855 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
856 if (KKCC_GC_STACK_FULL)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
857 kkcc_gc_stack_realloc();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
858 kkcc_gc_stack_rear = KKCC_INC (kkcc_gc_stack_rear);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
859 kkcc_gc_stack_ptr[kkcc_gc_stack_rear].data = data;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
860 kkcc_gc_stack_ptr[kkcc_gc_stack_rear].desc = desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
861 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
862 kkcc_gc_stack_ptr[kkcc_gc_stack_rear].level = level;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
863 kkcc_gc_stack_ptr[kkcc_gc_stack_rear].pos = pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
864 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
865 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
866
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
867 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
868 #define kkcc_gc_stack_push(data, desc, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
869 kkcc_gc_stack_push_1 (data, desc, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
870 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
871 #define kkcc_gc_stack_push(data, desc, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
872 kkcc_gc_stack_push_1 (data, desc)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
873 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
874
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
875 static kkcc_gc_stack_entry *
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
876 kkcc_gc_stack_pop (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
877 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
878 if (KKCC_GC_STACK_EMPTY)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
879 return 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
880 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
881 GC_STAT_DEQUEUED;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
882 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
883 #ifndef KKCC_STACK_AS_QUEUE
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
884 /* stack behaviour */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
885 return &kkcc_gc_stack_ptr[kkcc_gc_stack_rear--];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
886 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
887 /* queue behaviour */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
888 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
889 int old_front = kkcc_gc_stack_front;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
890 kkcc_gc_stack_front = KKCC_INC (kkcc_gc_stack_front);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
891 return &kkcc_gc_stack_ptr[old_front];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
892 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
893 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
894 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
895
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
896 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
897 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
898 kkcc_gc_stack_push_lisp_object_1 (Lisp_Object obj, int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
899 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
900 kkcc_gc_stack_push_lisp_object_1 (Lisp_Object obj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
901 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
902 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
903 if (XTYPE (obj) == Lisp_Type_Record)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
904 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
905 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
906 const struct memory_description *desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
907 GC_CHECK_LHEADER_INVARIANTS (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
908 desc = RECORD_DESCRIPTION (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
909 if (! MARKED_RECORD_HEADER_P (lheader))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
910 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
911 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
912 MARK_GREY (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
913 #else /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
914 MARK_RECORD_HEADER (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
915 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
916 kkcc_gc_stack_push ((void *) lheader, desc, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
917 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
918 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
919 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
920
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
921 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
922 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
923 #define kkcc_gc_stack_push_lisp_object(obj, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
924 kkcc_gc_stack_push_lisp_object_1 (obj, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
925 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
926 #define kkcc_gc_stack_push_lisp_object(obj, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
927 kkcc_gc_stack_push_lisp_object_1 (obj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
928 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
929
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
930 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
931 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
932 kkcc_gc_stack_repush_dirty_object_1 (Lisp_Object obj, int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
933 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
934 kkcc_gc_stack_repush_dirty_object_1 (Lisp_Object obj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
935 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
936 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
937 if (XTYPE (obj) == Lisp_Type_Record)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
938 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
939 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
940 const struct memory_description *desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
941 GC_STAT_REPUSHED;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
942 GC_CHECK_LHEADER_INVARIANTS (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
943 desc = RECORD_DESCRIPTION (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
944 MARK_GREY (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
945 kkcc_gc_stack_push ((void*) lheader, desc, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
946 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
947 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
948 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
949
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
950 #ifdef ERROR_CHECK_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
951 #define KKCC_DO_CHECK_FREE(obj, allow_free) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
952 do \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
953 { \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
954 if (!allow_free && XTYPE (obj) == Lisp_Type_Record) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
955 { \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
956 struct lrecord_header *lheader = XRECORD_LHEADER (obj); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
957 GC_CHECK_NOT_FREE (lheader); \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
958 } \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
959 } while (0)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
960 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
961 #define KKCC_DO_CHECK_FREE(obj, allow_free)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
962 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
963
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
964 #ifdef ERROR_CHECK_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
965 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
966 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
967 mark_object_maybe_checking_free_1 (Lisp_Object obj, int allow_free,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
968 int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
969 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
970 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
971 mark_object_maybe_checking_free_1 (Lisp_Object obj, int allow_free)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
972 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
973 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
974 KKCC_DO_CHECK_FREE (obj, allow_free);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
975 kkcc_gc_stack_push_lisp_object (obj, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
976 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
977
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
978 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
979 #define mark_object_maybe_checking_free(obj, allow_free, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
980 mark_object_maybe_checking_free_1 (obj, allow_free, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
981 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
982 #define mark_object_maybe_checking_free(obj, allow_free, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
983 mark_object_maybe_checking_free_1 (obj, allow_free)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
984 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
985 #else /* not ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
986 #define mark_object_maybe_checking_free(obj, allow_free, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
987 kkcc_gc_stack_push_lisp_object (obj, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
988 #endif /* not ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
989
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
990
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
991 /* This function loops all elements of a struct pointer and calls
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
992 mark_with_description with each element. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
993 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
994 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
995 mark_struct_contents_1 (const void *data,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
996 const struct sized_memory_description *sdesc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
997 int count, int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
998 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
999 mark_struct_contents_1 (const void *data,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1000 const struct sized_memory_description *sdesc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1001 int count)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1002 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1003 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1004 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1005 Bytecount elsize;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1006 elsize = lispdesc_block_size (data, sdesc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1007
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1008 for (i = 0; i < count; i++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1009 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1010 kkcc_gc_stack_push (((char *) data) + elsize * i, sdesc->description,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1011 level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1012 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1013 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1014
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1015 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1016 #define mark_struct_contents(data, sdesc, count, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1017 mark_struct_contents_1 (data, sdesc, count, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1018 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1019 #define mark_struct_contents(data, sdesc, count, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1020 mark_struct_contents_1 (data, sdesc, count)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1021 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1022
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1023
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1024 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1025 /* This function loops all elements of a struct pointer and calls
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1026 mark_with_description with each element. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1027 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1028 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1029 mark_lisp_object_block_contents_1 (const void *data,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1030 const struct sized_memory_description *sdesc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1031 int count, int level, int pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1032 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1033 mark_lisp_object_block_contents_1 (const void *data,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1034 const struct sized_memory_description *sdesc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1035 int count)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1036 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1037 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1038 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1039 Bytecount elsize;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1040 elsize = lispdesc_block_size (data, sdesc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1041
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1042 for (i = 0; i < count; i++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1043 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1044 const Lisp_Object obj = wrap_pointer_1 (((char *) data) + elsize * i);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1045 if (XTYPE (obj) == Lisp_Type_Record)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1046 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1047 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1048 const struct memory_description *desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1049 GC_CHECK_LHEADER_INVARIANTS (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1050 desc = sdesc->description;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1051 if (! MARKED_RECORD_HEADER_P (lheader))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1052 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1053 MARK_GREY (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1054 kkcc_gc_stack_push ((void *) lheader, desc, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1055 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1056 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1057 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1058 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1059
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1060 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1061 #define mark_lisp_object_block_contents(data, sdesc, count, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1062 mark_lisp_object_block_contents_1 (data, sdesc, count, level, pos)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1063 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1064 #define mark_lisp_object_block_contents(data, sdesc, count, level, pos) \
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1065 mark_lisp_object_block_contents_1 (data, sdesc, count)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1066 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1067 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1068
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1069 /* This function implements the KKCC mark algorithm.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1070 Instead of calling mark_object, all the alive Lisp_Objects are pushed
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1071 on the kkcc_gc_stack. This function processes all elements on the stack
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1072 according to their descriptions. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1073 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1074 kkcc_marking (
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1075 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1076 int cnt
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1077 #else /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1078 int UNUSED(cnt)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1079 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1080 )
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1081 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1082 kkcc_gc_stack_entry *stack_entry = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1083 void *data = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1084 const struct memory_description *desc = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1085 int pos;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1086 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1087 int count = cnt;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1088 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1089 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1090 int level = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1091 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1092
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1093 while ((stack_entry = kkcc_gc_stack_pop ()) != 0)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1094 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1095 data = stack_entry->data;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1096 desc = stack_entry->desc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1097 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1098 level = stack_entry->level + 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1099 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1100 kkcc_bt_push (data, desc, stack_entry->level, stack_entry->pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1101
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1102 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1103 /* Mark black if object is currently grey. This first checks,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1104 if the object is really allocated on the mc-heap. If it is,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1105 it can be marked black; if it is not, it cannot be marked. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1106 maybe_mark_black (data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1107 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1108
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1109 if (!data) continue;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1110
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1111 gc_checking_assert (data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1112 gc_checking_assert (desc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1113
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1114 for (pos = 0; desc[pos].type != XD_END; pos++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1115 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1116 const struct memory_description *desc1 = &desc[pos];
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1117 const void *rdata =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1118 (const char *) data + lispdesc_indirect_count (desc1->offset,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1119 desc, data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1120 union_switcheroo:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1121
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1122 /* If the flag says don't mark, then don't mark. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1123 if ((desc1->flags) & XD_FLAG_NO_KKCC)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1124 continue;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1125
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1126 switch (desc1->type)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1127 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1128 case XD_BYTECOUNT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1129 case XD_ELEMCOUNT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1130 case XD_HASHCODE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1131 case XD_INT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1132 case XD_LONG:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1133 case XD_INT_RESET:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1134 case XD_LO_LINK:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1135 case XD_OPAQUE_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1136 case XD_OPAQUE_DATA_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1137 case XD_ASCII_STRING:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1138 case XD_DOC_STRING:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1139 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1140 case XD_LISP_OBJECT:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1141 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1142 const Lisp_Object *stored_obj = (const Lisp_Object *) rdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1143
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1144 /* Because of the way that tagged objects work (pointers and
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1145 Lisp_Objects have the same representation), XD_LISP_OBJECT
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1146 can be used for untagged pointers. They might be NULL,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1147 though. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1148 if (EQ (*stored_obj, Qnull_pointer))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1149 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1150 #ifdef MC_ALLOC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1151 mark_object_maybe_checking_free (*stored_obj, 0, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1152 #else /* not MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1153 mark_object_maybe_checking_free
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1154 (*stored_obj, (desc1->flags) & XD_FLAG_FREE_LISP_OBJECT,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1155 level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1156 #endif /* not MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1157 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1158 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1159 case XD_LISP_OBJECT_ARRAY:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1160 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1161 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1162 EMACS_INT count =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1163 lispdesc_indirect_count (desc1->data1, desc, data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1164
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1165 for (i = 0; i < count; i++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1166 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1167 const Lisp_Object *stored_obj =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1168 (const Lisp_Object *) rdata + i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1169
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1170 if (EQ (*stored_obj, Qnull_pointer))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1171 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1172 #ifdef MC_ALLOC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1173 mark_object_maybe_checking_free
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1174 (*stored_obj, 0, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1175 #else /* not MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1176 mark_object_maybe_checking_free
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1177 (*stored_obj, (desc1->flags) & XD_FLAG_FREE_LISP_OBJECT,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1178 level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1179 #endif /* not MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1180 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1181 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1182 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1183 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1184 case XD_LISP_OBJECT_BLOCK_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1185 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1186 EMACS_INT count = lispdesc_indirect_count (desc1->data1, desc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1187 data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1188 const struct sized_memory_description *sdesc =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1189 lispdesc_indirect_description (data, desc1->data2.descr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1190 const char *dobj = * (const char **) rdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1191 if (dobj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1192 mark_lisp_object_block_contents
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1193 (dobj, sdesc, count, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1194 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1195 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1196 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1197 case XD_BLOCK_PTR:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1198 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1199 EMACS_INT count = lispdesc_indirect_count (desc1->data1, desc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1200 data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1201 const struct sized_memory_description *sdesc =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1202 lispdesc_indirect_description (data, desc1->data2.descr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1203 const char *dobj = * (const char **) rdata;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1204 if (dobj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1205 mark_struct_contents (dobj, sdesc, count, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1206 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1207 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1208 case XD_BLOCK_ARRAY:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1209 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1210 EMACS_INT count = lispdesc_indirect_count (desc1->data1, desc,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1211 data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1212 const struct sized_memory_description *sdesc =
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1213 lispdesc_indirect_description (data, desc1->data2.descr);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1214
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1215 mark_struct_contents (rdata, sdesc, count, level, pos);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1216 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1217 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1218 case XD_UNION:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1219 case XD_UNION_DYNAMIC_SIZE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1220 desc1 = lispdesc_process_xd_union (desc1, desc, data);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1221 if (desc1)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1222 goto union_switcheroo;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1223 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1224
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1225 default:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1226 stderr_out ("Unsupported description type : %d\n", desc1->type);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1227 kkcc_backtrace ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1228 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1229 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1230 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1231
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1232 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1233 if (cnt)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1234 if (!--count)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1235 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1236 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1237 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1238 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1239 #endif /* USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1240
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1241 /* I hate duplicating all this crap! */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1242 int
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1243 marked_p (Lisp_Object obj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1244 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1245 /* Checks we used to perform. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1246 /* if (EQ (obj, Qnull_pointer)) return 1; */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1247 /* if (!POINTER_TYPE_P (XGCTYPE (obj))) return 1; */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1248 /* if (PURIFIED (XPNTR (obj))) return 1; */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1249
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1250 if (XTYPE (obj) == Lisp_Type_Record)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1251 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1252 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1253
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1254 GC_CHECK_LHEADER_INVARIANTS (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1255
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1256 return MARKED_RECORD_HEADER_P (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1257 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1258 return 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1259 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1260
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1261
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1262 /* Mark reference to a Lisp_Object. If the object referred to has not been
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1263 seen yet, recursively mark all the references contained in it. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1264 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1265 mark_object (
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1266 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1267 Lisp_Object UNUSED (obj)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1268 #else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1269 Lisp_Object obj
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1270 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1271 )
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1272 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1273 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1274 /* this code should never be reached when configured for KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1275 stderr_out ("KKCC: Invalid mark_object call.\n");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1276 stderr_out ("Replace mark_object with kkcc_gc_stack_push_lisp_object.\n");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1277 ABORT ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1278 #else /* not USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1279
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1280 tail_recurse:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1281
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1282 /* Checks we used to perform */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1283 /* if (EQ (obj, Qnull_pointer)) return; */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1284 /* if (!POINTER_TYPE_P (XGCTYPE (obj))) return; */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1285 /* if (PURIFIED (XPNTR (obj))) return; */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1286
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1287 if (XTYPE (obj) == Lisp_Type_Record)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1288 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1289 struct lrecord_header *lheader = XRECORD_LHEADER (obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1290
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1291 GC_CHECK_LHEADER_INVARIANTS (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1292
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1293 /* We handle this separately, above, so we can mark free objects */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1294 GC_CHECK_NOT_FREE (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1295
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1296 /* All c_readonly objects have their mark bit set,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1297 so that we only need to check the mark bit here. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1298 if (! MARKED_RECORD_HEADER_P (lheader))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1299 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1300 MARK_RECORD_HEADER (lheader);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1301
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1302 if (RECORD_MARKER (lheader))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1303 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1304 obj = RECORD_MARKER (lheader) (obj);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1305 if (!NILP (obj)) goto tail_recurse;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1306 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1307 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1308 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1309 #endif /* not KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1310 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1311
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1312
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1313 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1314 /* Hooks */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1315 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1316
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1317 /* Nonzero when calling certain hooks or doing other things where a GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1318 would be bad. It prevents infinite recursive calls to gc. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1319 int gc_currently_forbidden;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1320
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1321 int
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1322 begin_gc_forbidden (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1323 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1324 return internal_bind_int (&gc_currently_forbidden, 1);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1325 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1326
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1327 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1328 end_gc_forbidden (int count)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1329 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1330 unbind_to (count);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1331 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1332
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1333 /* Hooks. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1334 Lisp_Object Vpre_gc_hook, Qpre_gc_hook;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1335 Lisp_Object Vpost_gc_hook, Qpost_gc_hook;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1336
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1337 /* Maybe we want to use this when doing a "panic" gc after memory_full()? */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1338 static int gc_hooks_inhibited;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1339
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1340 struct post_gc_action
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1341 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1342 void (*fun) (void *);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1343 void *arg;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1344 };
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1345
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1346 typedef struct post_gc_action post_gc_action;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1347
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1348 typedef struct
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1349 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1350 Dynarr_declare (post_gc_action);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1351 } post_gc_action_dynarr;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1352
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1353 static post_gc_action_dynarr *post_gc_actions;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1354
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1355 /* Register an action to be called at the end of GC.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1356 gc_in_progress is 0 when this is called.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1357 This is used when it is discovered that an action needs to be taken,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1358 but it's during GC, so it's not safe. (e.g. in a finalize method.)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1359
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1360 As a general rule, do not use Lisp objects here.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1361 And NEVER signal an error.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1362 */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1363
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1364 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1365 register_post_gc_action (void (*fun) (void *), void *arg)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1366 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1367 post_gc_action action;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1368
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1369 if (!post_gc_actions)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1370 post_gc_actions = Dynarr_new (post_gc_action);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1371
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1372 action.fun = fun;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1373 action.arg = arg;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1374
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1375 Dynarr_add (post_gc_actions, action);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1376 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1377
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1378 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1379 run_post_gc_actions (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1380 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1381 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1382
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1383 if (post_gc_actions)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1384 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1385 for (i = 0; i < Dynarr_length (post_gc_actions); i++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1386 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1387 post_gc_action action = Dynarr_at (post_gc_actions, i);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1388 (action.fun) (action.arg);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1389 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1390
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1391 Dynarr_reset (post_gc_actions);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1392 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1393 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1394
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1395
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1396
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1397 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1398 /* Garbage Collection */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1399 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1400
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1401 /* Enable/disable incremental garbage collection during runtime. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1402 int allow_incremental_gc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1403
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1404 /* For profiling. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1405 static Lisp_Object QSin_garbage_collection;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1406
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1407 /* Nonzero means display messages at beginning and end of GC. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1408 int garbage_collection_messages;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1409
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1410 /* "Garbage collecting" */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1411 Lisp_Object Vgc_message;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1412 Lisp_Object Vgc_pointer_glyph;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1413 static const Ascbyte gc_default_message[] = "Garbage collecting";
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1414 Lisp_Object Qgarbage_collecting;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1415
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1416 /* "Locals" during GC. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1417 struct frame *f;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1418 int speccount;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1419 int cursor_changed;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1420 Lisp_Object pre_gc_cursor;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1421
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1422 /* PROFILE_DECLARE */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1423 int do_backtrace;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1424 struct backtrace backtrace;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1425
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1426 /* Maximum amount of C stack to save when a GC happens. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1427 #ifndef MAX_SAVE_STACK
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1428 #define MAX_SAVE_STACK 0 /* 16000 */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1429 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1430
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1431 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1432 gc_prepare (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1433 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1434 #if MAX_SAVE_STACK > 0
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1435 char stack_top_variable;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1436 extern char *stack_bottom;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1437 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1438
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1439 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1440 GC_STAT_START_NEW_GC;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1441 GC_SET_PHASE (INIT_GC);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1442 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1443
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1444 do_backtrace = profiling_active || backtrace_with_internal_sections;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1445
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1446 assert (!gc_in_progress);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1447 assert (!in_display || gc_currently_forbidden);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1448
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1449 PROFILE_RECORD_ENTERING_SECTION (QSin_garbage_collection);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1450
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1451 /* We used to call selected_frame() here.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1452
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1453 The following functions cannot be called inside GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1454 so we move to after the above tests. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1455 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1456 Lisp_Object frame;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1457 Lisp_Object device = Fselected_device (Qnil);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1458 if (NILP (device)) /* Could happen during startup, eg. if always_gc */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1459 return;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1460 frame = Fselected_frame (device);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1461 if (NILP (frame))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1462 invalid_state ("No frames exist on device", device);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1463 f = XFRAME (frame);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1464 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1465
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1466 pre_gc_cursor = Qnil;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1467 cursor_changed = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1468
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1469 need_to_signal_post_gc = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1470 recompute_funcall_allocation_flag ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1471
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1472 if (!gc_hooks_inhibited)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1473 run_hook_trapping_problems
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1474 (Qgarbage_collecting, Qpre_gc_hook,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1475 INHIBIT_EXISTING_PERMANENT_DISPLAY_OBJECT_DELETION);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1476
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1477 /* Now show the GC cursor/message. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1478 if (!noninteractive)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1479 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1480 if (FRAME_WIN_P (f))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1481 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1482 Lisp_Object frame = wrap_frame (f);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1483 Lisp_Object cursor = glyph_image_instance (Vgc_pointer_glyph,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1484 FRAME_SELECTED_WINDOW (f),
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1485 ERROR_ME_NOT, 1);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1486 pre_gc_cursor = f->pointer;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1487 if (POINTER_IMAGE_INSTANCEP (cursor)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1488 /* don't change if we don't know how to change back. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1489 && POINTER_IMAGE_INSTANCEP (pre_gc_cursor))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1490 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1491 cursor_changed = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1492 Fset_frame_pointer (frame, cursor);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1493 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1494 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1495
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1496 /* Don't print messages to the stream device. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1497 if (!cursor_changed && !FRAME_STREAM_P (f))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1498 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1499 if (garbage_collection_messages)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1500 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1501 Lisp_Object args[2], whole_msg;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1502 args[0] = (STRINGP (Vgc_message) ? Vgc_message :
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1503 build_msg_string (gc_default_message));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1504 args[1] = build_string ("...");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1505 whole_msg = Fconcat (2, args);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1506 echo_area_message (f, (Ibyte *) 0, whole_msg, 0, -1,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1507 Qgarbage_collecting);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1508 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1509 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1510 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1511
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1512 /***** Now we actually start the garbage collection. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1513
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1514 gc_in_progress = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1515 #ifndef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1516 inhibit_non_essential_conversion_operations = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1517 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1518
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1519 #if MAX_SAVE_STACK > 0
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1520
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1521 /* Save a copy of the contents of the stack, for debugging. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1522 if (!purify_flag)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1523 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1524 /* Static buffer in which we save a copy of the C stack at each GC. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1525 static char *stack_copy;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1526 static Bytecount stack_copy_size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1527
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1528 ptrdiff_t stack_diff = &stack_top_variable - stack_bottom;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1529 Bytecount stack_size = (stack_diff > 0 ? stack_diff : -stack_diff);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1530 if (stack_size < MAX_SAVE_STACK)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1531 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1532 if (stack_copy_size < stack_size)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1533 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1534 stack_copy = (char *) xrealloc (stack_copy, stack_size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1535 stack_copy_size = stack_size;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1536 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1537
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1538 memcpy (stack_copy,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1539 stack_diff > 0 ? stack_bottom : &stack_top_variable,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1540 stack_size);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1541 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1542 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1543 #endif /* MAX_SAVE_STACK > 0 */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1544
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1545 /* Do some totally ad-hoc resource clearing. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1546 /* #### generalize this? */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1547 clear_event_resource ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1548 cleanup_specifiers ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1549 cleanup_buffer_undo_lists ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1550 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1551
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1552 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1553 gc_mark_root_set (
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1554 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1555 enum gc_phase phase
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1556 #else /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1557 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1558 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1559 )
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1560 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1561 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1562 GC_SET_PHASE (phase);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1563 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1564
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1565 /* Mark all the special slots that serve as the roots of accessibility. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1566
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1567 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1568 # define mark_object(obj) kkcc_gc_stack_push_lisp_object (obj, 0, -1)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1569 #endif /* USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1570
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1571 { /* staticpro() */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1572 Lisp_Object **p = Dynarr_begin (staticpros);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1573 Elemcount count;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1574 for (count = Dynarr_length (staticpros); count; count--)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1575 /* Need to check if the pointer in the staticpro array is not
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1576 NULL. A gc can occur after variable is added to the staticpro
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1577 array and _before_ it is correctly initialized. In this case
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1578 its value is NULL, which we have to catch here. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1579 if (*p)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1580 mark_object (**p++);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1581 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1582 **p++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1583 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1584
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1585 { /* staticpro_nodump() */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1586 Lisp_Object **p = Dynarr_begin (staticpros_nodump);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1587 Elemcount count;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1588 for (count = Dynarr_length (staticpros_nodump); count; count--)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1589 /* Need to check if the pointer in the staticpro array is not
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1590 NULL. A gc can occur after variable is added to the staticpro
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1591 array and _before_ it is correctly initialized. In this case
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1592 its value is NULL, which we have to catch here. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1593 if (*p)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1594 mark_object (**p++);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1595 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1596 **p++;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1597 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1598
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1599 #ifdef MC_ALLOC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1600 { /* mcpro () */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1601 Lisp_Object *p = Dynarr_begin (mcpros);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1602 Elemcount count;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1603 for (count = Dynarr_length (mcpros); count; count--)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1604 mark_object (*p++);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1605 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1606 #endif /* MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1607
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1608 { /* GCPRO() */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1609 struct gcpro *tail;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1610 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1611 for (tail = gcprolist; tail; tail = tail->next)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1612 for (i = 0; i < tail->nvars; i++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1613 mark_object (tail->var[i]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1614 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1615
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1616 { /* specbind() */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1617 struct specbinding *bind;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1618 for (bind = specpdl; bind != specpdl_ptr; bind++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1619 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1620 mark_object (bind->symbol);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1621 mark_object (bind->old_value);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1622 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1623 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1624
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1625 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1626 struct catchtag *c;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1627 for (c = catchlist; c; c = c->next)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1628 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1629 mark_object (c->tag);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1630 mark_object (c->val);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1631 mark_object (c->actual_tag);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1632 mark_object (c->backtrace);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1633 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1634 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1635
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1636 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1637 struct backtrace *backlist;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1638 for (backlist = backtrace_list; backlist; backlist = backlist->next)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1639 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1640 int nargs = backlist->nargs;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1641 int i;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1642
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1643 mark_object (*backlist->function);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1644 if (nargs < 0 /* nargs == UNEVALLED || nargs == MANY */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1645 /* might be fake (internal profiling entry) */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1646 && backlist->args)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1647 mark_object (backlist->args[0]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1648 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1649 for (i = 0; i < nargs; i++)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1650 mark_object (backlist->args[i]);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1651 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1652 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1653
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1654 mark_profiling_info ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1655 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1656 # undef mark_object
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1657 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1658 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1659
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1660 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1661 gc_finish_mark (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1662 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1663 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1664 GC_SET_PHASE (FINISH_MARK);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1665 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1666 init_marking_ephemerons ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1667
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1668 while (finish_marking_weak_hash_tables () > 0 ||
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1669 finish_marking_weak_lists () > 0 ||
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1670 continue_marking_ephemerons () > 0)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1671 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1672 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1673 kkcc_marking (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1674 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1675 #else /* not USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1676 ;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1677 #endif /* not USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1678
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1679 /* At this point, we know which objects need to be finalized: we
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1680 still need to resurrect them */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1681
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1682 while (finish_marking_ephemerons () > 0 ||
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1683 finish_marking_weak_lists () > 0 ||
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1684 finish_marking_weak_hash_tables () > 0)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1685 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1686 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1687 kkcc_marking (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1688 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1689 #else /* not USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1690 ;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1691 #endif /* not USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1692
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1693 /* And prune (this needs to be called after everything else has been
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1694 marked and before we do any sweeping). */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1695 /* #### this is somewhat ad-hoc and should probably be an object
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1696 method */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1697 prune_weak_hash_tables ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1698 prune_weak_lists ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1699 prune_specifiers ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1700 prune_syntax_tables ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1701
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1702 prune_ephemerons ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1703 prune_weak_boxes ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1704 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1705
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1706 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1707 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1708 gc_finalize (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1709 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1710 GC_SET_PHASE (FINALIZE);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1711 mc_finalize ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1712 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1713
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1714 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1715 gc_sweep (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1716 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1717 GC_SET_PHASE (SWEEP);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1718 mc_sweep ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1719 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1720 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1721
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1722
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1723 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1724 gc_finish (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1725 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1726 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1727 GC_SET_PHASE (FINISH_GC);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1728 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1729 consing_since_gc = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1730 #ifndef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1731 /* Allow you to set it really fucking low if you really want ... */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1732 if (gc_cons_threshold < 10000)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1733 gc_cons_threshold = 10000;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1734 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1735 recompute_need_to_garbage_collect ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1736
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1737 #ifndef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1738 inhibit_non_essential_conversion_operations = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1739 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1740 gc_in_progress = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1741
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1742 run_post_gc_actions ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1743
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1744 /******* End of garbage collection ********/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1745
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1746 /* Now remove the GC cursor/message */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1747 if (!noninteractive)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1748 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1749 if (cursor_changed)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1750 Fset_frame_pointer (wrap_frame (f), pre_gc_cursor);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1751 else if (!FRAME_STREAM_P (f))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1752 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1753 /* Show "...done" only if the echo area would otherwise be empty. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1754 if (NILP (clear_echo_area (selected_frame (),
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1755 Qgarbage_collecting, 0)))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1756 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1757 if (garbage_collection_messages)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1758 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1759 Lisp_Object args[2], whole_msg;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1760 args[0] = (STRINGP (Vgc_message) ? Vgc_message :
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1761 build_msg_string (gc_default_message));
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1762 args[1] = build_msg_string ("... done");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1763 whole_msg = Fconcat (2, args);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1764 echo_area_message (selected_frame (), (Ibyte *) 0,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1765 whole_msg, 0, -1,
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1766 Qgarbage_collecting);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1767 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1768 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1769 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1770 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1771
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1772 #ifndef MC_ALLOC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1773 if (!breathing_space)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1774 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1775 breathing_space = malloc (4096 - MALLOC_OVERHEAD);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1776 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1777 #endif /* not MC_ALLOC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1778
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1779 need_to_signal_post_gc = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1780 funcall_allocation_flag = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1781
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1782 PROFILE_RECORD_EXITING_SECTION (QSin_garbage_collection);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1783
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1784 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1785 GC_SET_PHASE (NONE);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1786 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1787 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1788
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1789 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1790 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1791 gc_suspend_mark_phase (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1792 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1793 PROFILE_RECORD_EXITING_SECTION (QSin_garbage_collection);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1794 write_barrier_enabled = 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1795 consing_since_gc = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1796 vdb_start_dirty_bits_recording ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1797 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1798
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1799 int
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1800 gc_resume_mark_phase (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1801 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1802 PROFILE_RECORD_ENTERING_SECTION (QSin_garbage_collection);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1803 assert (write_barrier_enabled);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1804 vdb_stop_dirty_bits_recording ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1805 write_barrier_enabled = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1806 return vdb_read_dirty_bits ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1807 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1808
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1809 int
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1810 gc_mark (int incremental)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1811 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1812 GC_SET_PHASE (MARK);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1813 if (!incremental)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1814 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1815 kkcc_marking (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1816 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1817 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1818 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1819 kkcc_marking (gc_incremental_traversal_threshold);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1820 if (!KKCC_GC_STACK_EMPTY)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1821 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1822 gc_suspend_mark_phase ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1823 return 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1824 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1825 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1826 return 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1827 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1828
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1829 int
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1830 gc_resume_mark (int incremental)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1831 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1832 if (!incremental)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1833 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1834 if (!KKCC_GC_STACK_EMPTY)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1835 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1836 GC_STAT_RESUME_GC;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1837 /* An incremental garbage collection is already running ---
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1838 now wrap it up and resume it atomically. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1839 gc_resume_mark_phase ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1840 gc_mark_root_set (REPUSH_ROOT_SET);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1841 kkcc_marking (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1842 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1843 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1844 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1845 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1846 int repushed_objects;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1847 int mark_work;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1848 GC_STAT_RESUME_GC;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1849 repushed_objects = gc_resume_mark_phase ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1850 mark_work = (gc_incremental_traversal_threshold > repushed_objects) ?
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1851 gc_incremental_traversal_threshold : repushed_objects;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1852 kkcc_marking (mark_work);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1853 if (KKCC_GC_STACK_EMPTY)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1854 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1855 /* Mark root set again and finish up marking. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1856 gc_mark_root_set (REPUSH_ROOT_SET);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1857 kkcc_marking (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1858 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1859 else
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1860 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1861 gc_suspend_mark_phase ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1862 return 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1863 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1864 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1865 return 1;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1866 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1867
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1868
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1869 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1870 gc_1 (int incremental)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1871 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1872 switch (GC_PHASE)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1873 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1874 case NONE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1875 gc_prepare ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1876 kkcc_gc_stack_init();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1877 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1878 kkcc_bt_init ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1879 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1880 case INIT_GC:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1881 gc_mark_root_set (PUSH_ROOT_SET);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1882 case PUSH_ROOT_SET:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1883 if (!gc_mark (incremental))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1884 return; /* suspend gc */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1885 case MARK:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1886 if (!KKCC_GC_STACK_EMPTY)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1887 if (!gc_resume_mark (incremental))
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1888 return; /* suspend gc */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1889 gc_finish_mark ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1890 kkcc_gc_stack_free ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1891 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1892 kkcc_bt_free ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1893 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1894 case FINISH_MARK:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1895 gc_finalize ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1896 case FINALIZE:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1897 gc_sweep ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1898 case SWEEP:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1899 gc_finish ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1900 case FINISH_GC:
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1901 break;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1902 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1903 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1904
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1905 void gc (int incremental)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1906 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1907 if (gc_currently_forbidden
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1908 || in_display
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1909 || preparing_for_armageddon)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1910 return;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1911
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1912 /* Very important to prevent GC during any of the following
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1913 stuff that might run Lisp code; otherwise, we'll likely
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1914 have infinite GC recursion. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1915 speccount = begin_gc_forbidden ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1916
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1917 gc_1 (incremental);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1918
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1919 /* now stop inhibiting GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1920 unbind_to (speccount);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1921 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1922
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1923 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1924 gc_full (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1925 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1926 gc (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1927 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1928
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1929 DEFUN ("gc-full", Fgc_full, 0, 0, "", /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1930 This function performs a full garbage collection. If an incremental
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1931 garbage collection is already running, it completes without any
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1932 further interruption. This function guarantees that unused objects
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1933 are freed when it returns. Garbage collection happens automatically if
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1934 the client allocates more than `gc-cons-threshold' bytes of Lisp data
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1935 since the previous garbage collection.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1936 */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1937 ())
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1938 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1939 gc_full ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1940 return Qt;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1941 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1942
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1943 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1944 gc_incremental (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1945 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1946 gc (allow_incremental_gc);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1947 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1948
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1949 DEFUN ("gc-incremental", Fgc_incremental, 0, 0, "", /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1950 This function starts an incremental garbage collection. If an
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1951 incremental garbage collection is already running, the next cycle
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1952 starts. Note that this function has not necessarily freed any memory
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1953 when it returns. This function only guarantees, that the traversal of
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1954 the heap makes progress. The next cycle of incremental garbage
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1955 collection happens automatically if the client allocates more than
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1956 `gc-incremental-cons-threshold' bytes of Lisp data since previous
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1957 garbage collection.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1958 */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1959 ())
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1960 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1961 gc_incremental ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1962 return Qt;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1963 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1964 #else /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1965 void garbage_collect_1 (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1966 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1967 if (gc_in_progress
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1968 || gc_currently_forbidden
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1969 || in_display
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1970 || preparing_for_armageddon)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1971 return;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1972
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1973 /* Very important to prevent GC during any of the following
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1974 stuff that might run Lisp code; otherwise, we'll likely
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1975 have infinite GC recursion. */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1976 speccount = begin_gc_forbidden ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1977
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1978 gc_prepare ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1979 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1980 kkcc_gc_stack_init();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1981 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1982 kkcc_bt_init ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1983 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1984 #endif /* USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1985 gc_mark_root_set ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1986 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1987 kkcc_marking (0);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1988 #endif /* USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1989 gc_finish_mark ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1990 #ifdef USE_KKCC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1991 kkcc_gc_stack_free ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1992 #ifdef DEBUG_XEMACS
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1993 kkcc_bt_free ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1994 #endif
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1995 #endif /* USE_KKCC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1996 gc_sweep_1 ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1997 gc_finish ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1998
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
1999 /* now stop inhibiting GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2000 unbind_to (speccount);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2001 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2002 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2003
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2004
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2005 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2006 /* Initializations */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2007 /************************************************************************/
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2008
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2009 /* Initialization */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2010 static void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2011 common_init_gc_early (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2012 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2013 Vgc_message = Qzero;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2014
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2015 gc_currently_forbidden = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2016 gc_hooks_inhibited = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2017
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2018 need_to_garbage_collect = always_gc;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2019
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2020 gc_cons_threshold = GC_CONS_THRESHOLD;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2021 gc_cons_percentage = 40; /* #### what is optimal? */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2022 total_gc_usage_set = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2023 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2024 gc_cons_incremental_threshold = GC_CONS_INCREMENTAL_THRESHOLD;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2025 gc_incremental_traversal_threshold = GC_INCREMENTAL_TRAVERSAL_THRESHOLD;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2026 #endif /* not NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2027 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2028
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2029 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2030 init_gc_early (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2031 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2032 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2033
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2034 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2035 reinit_gc_early (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2036 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2037 common_init_gc_early ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2038 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2039
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2040 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2041 init_gc_once_early (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2042 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2043 common_init_gc_early ();
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2044 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2045
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2046 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2047 syms_of_gc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2048 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2049 DEFSYMBOL (Qpre_gc_hook);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2050 DEFSYMBOL (Qpost_gc_hook);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2051 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2052 DEFSUBR (Fgc_full);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2053 DEFSUBR (Fgc_incremental);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2054 #ifdef ERROR_CHECK_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2055 DEFSUBR (Fgc_stats);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2056 #endif /* not ERROR_CHECK_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2057 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2058 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2059
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2060 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2061 vars_of_gc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2062 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2063 staticpro_nodump (&pre_gc_cursor);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2064
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2065 QSin_garbage_collection = build_msg_string ("(in garbage collection)");
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2066 staticpro (&QSin_garbage_collection);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2067
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2068 DEFVAR_INT ("gc-cons-threshold", &gc_cons_threshold /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2069 *Number of bytes of consing between full garbage collections.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2070 \"Consing\" is a misnomer in that this actually counts allocation
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2071 of all different kinds of objects, not just conses.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2072 Garbage collection can happen automatically once this many bytes have been
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2073 allocated since the last garbage collection. All data types count.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2074
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2075 Garbage collection happens automatically when `eval' or `funcall' are
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2076 called. (Note that `funcall' is called implicitly as part of evaluation.)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2077 By binding this temporarily to a large number, you can effectively
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2078 prevent garbage collection during a part of the program.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2079
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2080 Normally, you cannot set this value less than 10,000 (if you do, it is
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2081 automatically reset during the next garbage collection). However, if
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2082 XEmacs was compiled with DEBUG_XEMACS, this does not happen, allowing
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2083 you to set this value very low to track down problems with insufficient
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2084 GCPRO'ing. If you set this to a negative number, garbage collection will
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2085 happen at *EVERY* call to `eval' or `funcall'. This is an extremely
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2086 effective way to check GCPRO problems, but be warned that your XEmacs
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2087 will be unusable! You almost certainly won't have the patience to wait
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2088 long enough to be able to set it back.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2089
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2090 See also `consing-since-gc' and `gc-cons-percentage'.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2091 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2092
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2093 DEFVAR_INT ("gc-cons-percentage", &gc_cons_percentage /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2094 *Percentage of memory allocated between garbage collections.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2095
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2096 Garbage collection will happen if this percentage of the total amount of
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2097 memory used for data (see `lisp-object-memory-usage') has been allocated
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2098 since the last garbage collection. However, it will not happen if less
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2099 than `gc-cons-threshold' bytes have been allocated -- this sets an absolute
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2100 minimum in case very little data has been allocated or the percentage is
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2101 set very low. Set this to 0 to have garbage collection always happen after
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2102 `gc-cons-threshold' bytes have been allocated, regardless of current memory
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2103 usage.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2104
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2105 See also `consing-since-gc' and `gc-cons-threshold'.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2106 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2107
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2108 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2109 DEFVAR_INT ("gc-cons-incremental-threshold",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2110 &gc_cons_incremental_threshold /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2111 *Number of bytes of consing between cycles of incremental garbage
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2112 collections. \"Consing\" is a misnomer in that this actually counts
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2113 allocation of all different kinds of objects, not just conses. The
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2114 next garbage collection cycle can happen automatically once this many
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2115 bytes have been allocated since the last garbage collection cycle.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2116 All data types count.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2117
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2118 See also `gc-cons-threshold'.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2119 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2120
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2121 DEFVAR_INT ("gc-incremental-traversal-threshold",
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2122 &gc_incremental_traversal_threshold /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2123 *Number of elements processed in one cycle of incremental travesal.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2124 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2125 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2126
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2127 DEFVAR_BOOL ("purify-flag", &purify_flag /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2128 Non-nil means loading Lisp code in order to dump an executable.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2129 This means that certain objects should be allocated in readonly space.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2130 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2131
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2132 DEFVAR_BOOL ("garbage-collection-messages", &garbage_collection_messages /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2133 Non-nil means display messages at start and end of garbage collection.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2134 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2135 garbage_collection_messages = 0;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2136
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2137 DEFVAR_LISP ("pre-gc-hook", &Vpre_gc_hook /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2138 Function or functions to be run just before each garbage collection.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2139 Interrupts, garbage collection, and errors are inhibited while this hook
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2140 runs, so be extremely careful in what you add here. In particular, avoid
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2141 consing, and do not interact with the user.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2142 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2143 Vpre_gc_hook = Qnil;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2144
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2145 DEFVAR_LISP ("post-gc-hook", &Vpost_gc_hook /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2146 Function or functions to be run just after each garbage collection.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2147 Interrupts, garbage collection, and errors are inhibited while this hook
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2148 runs. Each hook is called with one argument which is an alist with
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2149 finalization data.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2150 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2151 Vpost_gc_hook = Qnil;
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2152
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2153 DEFVAR_LISP ("gc-message", &Vgc_message /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2154 String to print to indicate that a garbage collection is in progress.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2155 This is printed in the echo area. If the selected frame is on a
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2156 window system and `gc-pointer-glyph' specifies a value (i.e. a pointer
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2157 image instance) in the domain of the selected frame, the mouse pointer
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2158 will change instead of this message being printed.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2159 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2160 Vgc_message = build_string (gc_default_message);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2161
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2162 DEFVAR_LISP ("gc-pointer-glyph", &Vgc_pointer_glyph /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2163 Pointer glyph used to indicate that a garbage collection is in progress.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2164 If the selected window is on a window system and this glyph specifies a
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2165 value (i.e. a pointer image instance) in the domain of the selected
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2166 window, the pointer will be changed as specified during garbage collection.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2167 Otherwise, a message will be printed in the echo area, as controlled
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2168 by `gc-message'.
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2169 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2170
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2171 #ifdef NEW_GC
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2172 DEFVAR_BOOL ("allow-incremental-gc", &allow_incremental_gc /*
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2173 *Non-nil means to allow incremental garbage collection. Nil prevents
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2174 *incremental garbage collection, the garbage collector then only does
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2175 *full collects (even if (gc-incremental) is called).
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2176 */ );
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2177 #endif /* NEW_GC */
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2178 }
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2179
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2180 void
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2181 complex_vars_of_gc (void)
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2182 {
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2183 Vgc_pointer_glyph = Fmake_glyph_internal (Qpointer);
141c2920ea48 [xemacs-hg @ 2005-11-25 01:41:31 by crestani]
crestani
parents:
diff changeset
2184 }