Mercurial > sdl-ios-xcode
view src/events/SDL_quit.c @ 281:c5010ab8ba35
Added initial support for Atari (thanks Patrice!)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 17 Feb 2002 19:54:28 +0000 |
parents | e8157fcb3114 |
children | f6ffac90895c |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* General quit handling code for SDL */ #include <stdio.h> #ifndef NO_SIGNAL_H #include <signal.h> #endif #include "SDL_events.h" #include "SDL_events_c.h" #ifndef NO_SIGNAL_H static void SDL_HandleSIG(int sig) { /* Reset the signal handler */ signal(sig, SDL_HandleSIG); /* Signal a quit interrupt */ SDL_PrivateQuit(); } #endif /* NO_SIGNAL_H */ /* Public functions */ int SDL_QuitInit(void) { #ifndef NO_SIGNAL_H void (*ohandler)(int); /* Both SIGINT and SIGTERM are translated into quit interrupts */ ohandler = signal(SIGINT, SDL_HandleSIG); if ( ohandler != SIG_DFL ) signal(SIGINT, ohandler); ohandler = signal(SIGTERM, SDL_HandleSIG); if ( ohandler != SIG_DFL ) signal(SIGTERM, ohandler); #endif /* NO_SIGNAL_H */ /* That's it! */ return(0); } /* This function returns 1 if it's okay to close the application window */ int SDL_PrivateQuit(void) { int posted; posted = 0; if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) { SDL_Event event; event.type = SDL_QUIT; if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { posted = 1; SDL_PushEvent(&event); } } return(posted); }