Mercurial > hg > xemacs-beta
annotate src/device-tty.c @ 5058:eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
-------------------- ChangeLog entries follow: --------------------
src/ChangeLog addition:
2010-02-21 Ben Wing <ben@xemacs.org>
* alloc.c:
* alloc.c (pluralize_word):
New function to pluralize a word.
* alloc.c (pluralize_and_append): New function.
* alloc.c (object_memory_usage_stats):
Clean up duplication.
author | Ben Wing <ben@xemacs.org> |
---|---|
date | Sun, 21 Feb 2010 05:19:08 -0600 |
parents | d0c14ea98592 |
children | 2a462149bd6a |
rev | line source |
---|---|
428 | 1 /* TTY device functions. |
2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois. | |
3 Copyright (C) 1994, 1995 Free Software Foundation, Inc. | |
5043 | 4 Copyright (C) 1996, 2010 Ben Wing. |
428 | 5 |
6 This file is part of XEmacs. | |
7 | |
8 XEmacs is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
10 Free Software Foundation; either version 2, or (at your option) any | |
11 later version. | |
12 | |
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with XEmacs; see the file COPYING. If not, write to | |
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
21 Boston, MA 02111-1307, USA. */ | |
22 | |
23 /* Synched up with: Not in FSF. */ | |
24 | |
25 /* Authors: Ben Wing and Chuck Thompson. */ | |
26 | |
27 #include <config.h> | |
28 #include "lisp.h" | |
29 | |
872 | 30 #include "device-impl.h" |
428 | 31 #include "events.h" |
32 #include "faces.h" | |
33 #include "frame.h" | |
34 #include "lstream.h" | |
35 #include "redisplay.h" | |
36 #include "sysdep.h" | |
37 | |
872 | 38 #include "console-tty-impl.h" |
800 | 39 #include "console-stream.h" |
40 | |
558 | 41 #include "sysfile.h" |
428 | 42 #include "syssignal.h" /* for SIGWINCH */ |
43 | |
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44 Lisp_Object Qmake_device_early_tty_entry_point; |
428 | 45 |
46 | |
3092 | 47 #ifdef NEW_GC |
48 static const struct memory_description tty_device_data_description_1 [] = { | |
49 { XD_END } | |
50 }; | |
51 | |
52 DEFINE_LRECORD_IMPLEMENTATION ("tty-device", tty_device, | |
53 1, /*dumpable-flag*/ | |
54 0, 0, 0, 0, 0, | |
55 tty_device_data_description_1, | |
56 Lisp_Tty_Device); | |
57 #endif /* NEW_GC */ | |
58 | |
428 | 59 static void |
60 allocate_tty_device_struct (struct device *d) | |
61 { | |
3092 | 62 #ifdef NEW_GC |
63 d->device_data = alloc_lrecord_type (struct tty_device, &lrecord_tty_device); | |
64 #else /* not NEW_GC */ | |
428 | 65 d->device_data = xnew_and_zero (struct tty_device); |
3092 | 66 #endif /* not NEW_GC */ |
428 | 67 } |
68 | |
69 static void | |
2286 | 70 tty_init_device (struct device *d, Lisp_Object UNUSED (props)) |
428 | 71 { |
72 struct console *con = XCONSOLE (DEVICE_CONSOLE (d)); | |
73 Lisp_Object terminal_type = CONSOLE_TTY_DATA (con)->terminal_type; | |
74 | |
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75 /* Run part of the elisp side of the TTY device initialization. |
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76 The post-init is run in the tty_finish_init_device() method. */ |
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parents:
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77 call0 (Qmake_device_early_tty_entry_point); |
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78 |
428 | 79 DEVICE_INFD (d) = CONSOLE_TTY_DATA (con)->infd; |
80 DEVICE_OUTFD (d) = CONSOLE_TTY_DATA (con)->outfd; | |
81 | |
82 allocate_tty_device_struct (d); | |
83 init_baud_rate (d); | |
84 | |
85 switch (init_tty_for_redisplay (d, (char *) XSTRING_DATA (terminal_type))) | |
86 { | |
87 #if 0 | |
88 case TTY_UNABLE_OPEN_DATABASE: | |
89 suppress_early_error_handler_backtrace = 1; | |
563 | 90 signal_error (Qio_error, "Can't access terminal information database", Qunbound); |
428 | 91 break; |
92 #endif | |
93 case TTY_TYPE_UNDEFINED: | |
94 suppress_early_error_handler_backtrace = 1; | |
563 | 95 signal_error (Qio_error, "Terminal type undefined (or can't access database?)", |
96 terminal_type); | |
428 | 97 break; |
98 case TTY_TYPE_INSUFFICIENT: | |
99 suppress_early_error_handler_backtrace = 1; | |
563 | 100 signal_error (Qio_error, "Terminal type not powerful enough to run Emacs", |
101 terminal_type); | |
428 | 102 break; |
103 case TTY_SIZE_UNSPECIFIED: | |
104 suppress_early_error_handler_backtrace = 1; | |
563 | 105 signal_error (Qio_error, "Can't determine window size of terminal", Qunbound); |
428 | 106 break; |
107 case TTY_INIT_SUCCESS: | |
108 break; | |
109 default: | |
2500 | 110 ABORT (); |
428 | 111 } |
112 | |
113 init_one_device (d); | |
114 } | |
115 | |
3092 | 116 #ifndef NEW_GC |
428 | 117 static void |
118 free_tty_device_struct (struct device *d) | |
119 { | |
1726 | 120 if (d->device_data) |
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121 xfree (d->device_data); |
428 | 122 } |
123 | |
124 static void | |
125 tty_delete_device (struct device *d) | |
126 { | |
127 free_tty_device_struct (d); | |
128 } | |
3092 | 129 #endif /* not NEW_GC */ |
428 | 130 |
131 #ifdef SIGWINCH | |
132 | |
133 static SIGTYPE | |
2286 | 134 tty_device_size_change_signal (int UNUSED (signo)) |
428 | 135 { |
136 int old_errno = errno; | |
137 asynch_device_change_pending++; | |
138 #ifdef HAVE_UNIXOID_EVENT_LOOP | |
139 signal_fake_event (); | |
140 #endif | |
141 EMACS_REESTABLISH_SIGNAL (SIGWINCH, tty_device_size_change_signal); | |
142 errno = old_errno; | |
143 SIGRETURN; | |
144 } | |
145 | |
146 /* frame_change_signal does nothing but set a flag that it was called. | |
147 When redisplay is called, it will notice that the flag is set and | |
148 call handle_pending_device_size_change to do the actual work. */ | |
149 static void | |
150 tty_asynch_device_change (void) | |
151 { | |
152 Lisp_Object devcons, concons; | |
153 | |
154 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
155 { | |
156 int width, height; | |
157 Lisp_Object tail; | |
158 struct device *d = XDEVICE (XCAR (devcons)); | |
159 struct console *con = XCONSOLE (DEVICE_CONSOLE (d)); | |
160 | |
161 if (!DEVICE_TTY_P (d)) | |
162 continue; | |
163 | |
164 get_tty_device_size (d, &width, &height); | |
165 if (width > 0 && height > 0 | |
166 && (CONSOLE_TTY_DATA (con)->width != width | |
167 || CONSOLE_TTY_DATA (con)->height != height)) | |
168 { | |
169 CONSOLE_TTY_DATA (con)->width = width; | |
170 CONSOLE_TTY_DATA (con)->height = height; | |
171 | |
172 for (tail = DEVICE_FRAME_LIST (d); | |
173 !NILP (tail); | |
174 tail = XCDR (tail)) | |
175 { | |
176 struct frame *f = XFRAME (XCAR (tail)); | |
177 | |
178 /* We know the frame is tty because we made sure that the | |
179 device is tty. */ | |
5043 | 180 change_frame_size (f, width, height, 1); |
428 | 181 } |
182 } | |
183 } | |
184 } | |
185 | |
186 #endif /* SIGWINCH */ | |
187 | |
188 static Lisp_Object | |
189 tty_device_system_metrics (struct device *d, | |
190 enum device_metrics m) | |
191 { | |
192 struct console *con = XCONSOLE (DEVICE_CONSOLE (d)); | |
193 switch (m) | |
194 { | |
195 case DM_size_device: | |
196 return Fcons (make_int (CONSOLE_TTY_DATA (con)->width), | |
197 make_int (CONSOLE_TTY_DATA (con)->height)); | |
198 default: /* No such device metric property for TTY devices */ | |
199 return Qunbound; | |
200 } | |
201 } | |
202 | |
203 /************************************************************************/ | |
204 /* initialization */ | |
205 /************************************************************************/ | |
206 | |
207 void | |
208 syms_of_device_tty (void) | |
209 { | |
3092 | 210 #ifdef NEW_GC |
211 INIT_LRECORD_IMPLEMENTATION (tty_device); | |
212 #endif /* NEW_GC */ | |
213 | |
4477
e34711681f30
Don't determine whether to call general device-type code at startup,
Aidan Kehoe <kehoea@parhasard.net>
parents:
3092
diff
changeset
|
214 DEFSYMBOL (Qmake_device_early_tty_entry_point); |
428 | 215 } |
216 | |
217 void | |
218 console_type_create_device_tty (void) | |
219 { | |
220 /* device methods */ | |
221 CONSOLE_HAS_METHOD (tty, init_device); | |
3092 | 222 #ifndef NEW_GC |
428 | 223 CONSOLE_HAS_METHOD (tty, delete_device); |
3092 | 224 #endif /* not NEW_GC */ |
428 | 225 #ifdef SIGWINCH |
226 CONSOLE_HAS_METHOD (tty, asynch_device_change); | |
227 #endif /* SIGWINCH */ | |
228 CONSOLE_HAS_METHOD (tty, device_system_metrics); | |
229 } | |
230 | |
231 void | |
232 init_device_tty (void) | |
233 { | |
234 #ifdef SIGWINCH | |
235 if (initialized && !noninteractive) | |
613 | 236 EMACS_SIGNAL (SIGWINCH, tty_device_size_change_signal); |
428 | 237 #endif /* SIGWINCH */ |
238 } |