Mercurial > sdl-ios-xcode

annotate src/SDL_fatal.c @ 1563:b054590b967a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fall back to autogen259 if autogen isn't available
author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Mar 2006 06:54:24 +0000
parents d910939febfa
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
6 modify it under the terms of the GNU Lesser General Public
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
13 Lesser General Public License for more details.
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1152
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
19 Sam Lantinga
252
e8157fcb3114 Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents: 1
diff changeset
20 slouken@libsdl.org
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
22 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24 /* General fatal signal handling code for SDL */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
25
1330
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
26 #ifdef HAVE_SIGNAL_H
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
27
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
28 #include <signal.h>
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
29
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
30 #include "SDL.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
31 #include "SDL_fatal.h"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33 /* This installs some signal handlers for the more common fatal signals,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
34 so that if the programmer is lazy, the app doesn't die so horribly if
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
35 the program crashes.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
36 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
37
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
38 static void SDL_Parachute(int sig)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
39 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
40 signal(sig, SIG_DFL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
41 SDL_Quit();
1330
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
42 raise(sig);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
43 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
44
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
45 static int SDL_fatal_signals[] = {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
46 SIGSEGV,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
47 #ifdef SIGBUS
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
48 SIGBUS,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
49 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
50 #ifdef SIGFPE
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
51 SIGFPE,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
52 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
53 #ifdef SIGQUIT
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
54 SIGQUIT,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
55 #endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
56 0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
57 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
58
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
59 void SDL_InstallParachute(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
60 {
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
61 /* Set a handler for any fatal signal not already handled */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
62 int i;
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
63 #ifdef HAVE_SIGACTION
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
64 struct sigaction action;
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
65
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
66 for ( i=0; SDL_fatal_signals[i]; ++i ) {
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
67 sigaction(SDL_fatal_signals[i], NULL, &action);
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
68 if ( action.sa_handler == SIG_DFL ) {
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
69 action.sa_handler = SDL_Parachute;
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
70 sigaction(SDL_fatal_signals[i], &action, NULL);
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
71 }
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
72 }
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
73 #ifdef SIGALRM
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
74 /* Set SIGALRM to be ignored -- necessary on Solaris */
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
75 sigaction(SIGALRM, NULL, &action);
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
76 if ( action.sa_handler == SIG_DFL ) {
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
77 action.sa_handler = SIG_IGN;
861
863da1c38c7e Oops, ignore SIGALRM, not 0
Sam Lantinga <slouken@libsdl.org>
parents: 822
diff changeset
78 sigaction(SIGALRM, &action, NULL);
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
79 }
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
80 #endif
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
81 #else
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
82 void (*ohandler)(int);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
83
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
84 for ( i=0; SDL_fatal_signals[i]; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
85 ohandler = signal(SDL_fatal_signals[i], SDL_Parachute);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
86 if ( ohandler != SIG_DFL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
87 signal(SDL_fatal_signals[i], ohandler);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
88 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
89 }
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
90 #endif /* HAVE_SIGACTION */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
91 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
92 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
93
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
94 void SDL_UninstallParachute(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
95 {
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
96 /* Remove a handler for any fatal signal handled */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
97 int i;
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
98 #ifdef HAVE_SIGACTION
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
99 struct sigaction action;
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
100
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
101 for ( i=0; SDL_fatal_signals[i]; ++i ) {
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
102 sigaction(SDL_fatal_signals[i], NULL, &action);
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
103 if ( action.sa_handler == SDL_Parachute ) {
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
104 action.sa_handler = SIG_DFL;
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
105 sigaction(SDL_fatal_signals[i], &action, NULL);
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
106 }
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
107 }
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
108 #else
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
109 void (*ohandler)(int);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
110
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
111 for ( i=0; SDL_fatal_signals[i]; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
112 ohandler = signal(SDL_fatal_signals[i], SIG_DFL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
113 if ( ohandler != SDL_Parachute ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
114 signal(SDL_fatal_signals[i], ohandler);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
115 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
116 }
814
5a417d2a8603 Use sigaction instead of signal to preserve handler flags (thanks Matthew!)
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
117 #endif /* HAVE_SIGACTION */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
118 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
119
1330
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
120 #else
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
121
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
122 /* No signals on this platform, nothing to do.. */
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
123
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
124 void SDL_InstallParachute(void)
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
125 {
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
126 return;
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
127 }
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
128
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
129 void SDL_UninstallParachute(void)
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
130 {
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
131 return;
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
132 }
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
133
450721ad5436 It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
134 #endif /* HAVE_SIGNAL_H */