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comparison src/events/SDL_quit.c @ 1123:28ac87a38c17

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Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST) From: Jiri Svoboda Subject: [SDL] signal handling bug I encountered the following bug: SDL doesn't reset signal handlers for SIGTERM and SIGINT, after calling SDL_Quit these remain hooked to the handler in SDL_quit.c, being translated into SDL_QUIT events. Consequently an application that issues a SDL_Quit and remains running will ignore any SIGTERM or SIGINT., and specifically CTRL-C presses.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 21 Aug 2005 06:18:54 +0000
parents b8d311d90021
children 51a8702d8ecd
comparison
equal deleted inserted replaced
1122:e253d5448fce 1123:28ac87a38c17
52 { 52 {
53 #ifndef NO_SIGNAL_H 53 #ifndef NO_SIGNAL_H
54 void (*ohandler)(int); 54 void (*ohandler)(int);
55 55
56 /* Both SIGINT and SIGTERM are translated into quit interrupts */ 56 /* Both SIGINT and SIGTERM are translated into quit interrupts */
57 ohandler = signal(SIGINT, SDL_HandleSIG); 57 ohandler = signal(SIGINT, SDL_HandleSIG);
58 if ( ohandler != SIG_DFL ) 58 if ( ohandler != SIG_DFL )
59 signal(SIGINT, ohandler); 59 signal(SIGINT, ohandler);
60 ohandler = signal(SIGTERM, SDL_HandleSIG); 60 ohandler = signal(SIGTERM, SDL_HandleSIG);
61 if ( ohandler != SIG_DFL ) 61 if ( ohandler != SIG_DFL )
62 signal(SIGTERM, ohandler); 62 signal(SIGTERM, ohandler);
63 #endif /* NO_SIGNAL_H */ 63 #endif /* NO_SIGNAL_H */
64 64
65 /* That's it! */ 65 /* That's it! */
66 return(0); 66 return(0);
67 }
68 void SDL_QuitQuit(void)
69 {
70 #ifndef NO_SIGNAL_H
71 void (*ohandler)(int);
72
73 ohandler = signal(SIGINT, SIG_DFL);
74 if ( ohandler != SDL_HandleSIG )
75 signal(SIGINT, ohandler);
76 ohandler = signal(SIGTERM, SIG_DFL);
77 if ( ohandler != SDL_HandleSIG )
78 signal(SIGTERM, ohandler);
79 #endif /* NO_SIGNAL_H */
67 } 80 }
68 81
69 /* This function returns 1 if it's okay to close the application window */ 82 /* This function returns 1 if it's okay to close the application window */
70 int SDL_PrivateQuit(void) 83 int SDL_PrivateQuit(void)
71 { 84 {