Mercurial > hg > xemacs-beta
annotate src/vdb-win32.c @ 5750:66d2f63df75f
Correct some spelling and formatting in behavior.el.
Mentioned in tracker issue 826, the third thing mentioned there (the file
name at the bottom of the file) had already been fixed.
lisp/ChangeLog addition:
2013-08-05 Aidan Kehoe <kehoea@parhasard.net>
* behavior.el:
(override-behavior):
Correct some spelling and formatting here, thank you Steven
Mitchell in tracker issue 826.
author | Aidan Kehoe <kehoea@parhasard.net> |
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date | Mon, 05 Aug 2013 10:05:32 +0100 |
parents | 308d34e9f07d |
children |
rev | line source |
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3092 | 1 /* Virtual diry bit implementation for XEmacs. |
2 Copyright (C) 2005 Marcus Crestani. | |
3 | |
4 This file is part of XEmacs. | |
5 | |
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5042
diff
changeset
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6 XEmacs is free software: you can redistribute it and/or modify it |
3092 | 7 under the terms of the GNU General Public License as published by the |
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5042
diff
changeset
|
8 Free Software Foundation, either version 3 of the License, or (at your |
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5042
diff
changeset
|
9 option) any later version. |
3092 | 10 |
11 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 for more details. | |
15 | |
16 You should have received a copy of the GNU General Public License | |
5402
308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
Mats Lidell <matsl@xemacs.org>
parents:
5042
diff
changeset
|
17 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
3092 | 18 |
19 /* Synched up with: Not in FSF. */ | |
20 | |
21 #include <config.h> | |
22 #include "lisp.h" | |
23 #include "gc.h" | |
24 #include "mc-alloc.h" | |
25 #include "vdb.h" | |
26 | |
27 #include "syswindows.h" | |
28 | |
29 | |
5042
f395ee7ad844
Fix some compile warnings, make vdb test code conditional on DEBUG_XEMACS
Ben Wing <ben@xemacs.org>
parents:
4827
diff
changeset
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30 static LONG WINAPI |
3092 | 31 win32_fault_handler (LPEXCEPTION_POINTERS e) |
32 { | |
33 #define GET_FAULT_ADDRESS (void *) e->ExceptionRecord->ExceptionInformation[1] | |
34 if ((e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) | |
35 && (e->ExceptionRecord->ExceptionInformation[0] == 1) | |
36 && write_barrier_enabled | |
37 && (fault_on_protected_page (GET_FAULT_ADDRESS))) | |
38 { | |
39 vdb_designate_modified (GET_FAULT_ADDRESS); | |
40 unprotect_page_and_mark_dirty (GET_FAULT_ADDRESS); | |
41 return EXCEPTION_CONTINUE_EXECUTION; | |
42 } | |
43 else | |
44 return EXCEPTION_CONTINUE_SEARCH; | |
45 } | |
46 | |
4827
11daf37dae4d
more fixes to get a clean compile
Ben Wing <ben@xemacs.org>
parents:
3092
diff
changeset
|
47 typedef LONG (WINAPI *gcPVECTORED_EXCEPTION_HANDLER) (LPEXCEPTION_POINTERS e); |
3092 | 48 |
49 | |
50 void | |
51 vdb_install_signal_handler (void) | |
52 { | |
53 HMODULE hm; | |
54 PVOID (WINAPI *aveh) (ULONG, gcPVECTORED_EXCEPTION_HANDLER); | |
55 | |
56 /* See init_signals_very_early () in signal.c. */ | |
57 if (noninteractive && !initialized) | |
58 { | |
59 allow_incremental_gc = 0; | |
60 return; | |
61 } | |
62 | |
63 hm = qxeGetModuleHandle (XETEXT ("kernel32")); | |
64 if (hm) | |
65 aveh = (PVOID (WINAPI *) (ULONG, gcPVECTORED_EXCEPTION_HANDLER)) | |
66 GetProcAddress (hm, "AddVectoredExceptionHandler"); | |
67 else | |
68 { | |
69 fprintf (stderr, "\nFAILED TO LOAD LIBRARY\n"); | |
70 aveh = NULL; | |
71 } | |
72 if (aveh) | |
73 { | |
74 allow_incremental_gc = 1; | |
75 aveh (TRUE, win32_fault_handler); | |
76 } | |
77 else | |
78 { | |
79 fprintf (stderr, "\nFAILED TO INSTALL SIGNAL HANDLER\n"); | |
80 ABORT (); | |
81 } | |
82 } | |
83 | |
84 | |
85 void | |
86 vdb_protect (void *ptr, EMACS_INT len) | |
87 { | |
88 DWORD old; | |
89 VirtualProtect (ptr, len, PAGE_READONLY, &old); | |
90 } | |
91 | |
92 | |
93 void | |
94 vdb_unprotect (void *ptr, EMACS_INT len) | |
95 { | |
96 DWORD old; | |
97 VirtualProtect (ptr, len, PAGE_READWRITE, &old); | |
98 } |