Mercurial > sdl-ios-xcode
view src/events/SDL_quit.c @ 3906:e3bf970d9494 SDL-1.2
Updated svn repository
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 23 Jan 2007 04:47:11 +0000 |
parents | d910939febfa |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* General quit handling code for SDL */ #ifdef HAVE_SIGNAL_H #include <signal.h> #endif #include "SDL_events.h" #include "SDL_events_c.h" #ifdef HAVE_SIGNAL_H static void SDL_HandleSIG(int sig) { /* Reset the signal handler */ signal(sig, SDL_HandleSIG); /* Signal a quit interrupt */ SDL_PrivateQuit(); } #endif /* HAVE_SIGNAL_H */ /* Public functions */ int SDL_QuitInit(void) { #ifdef HAVE_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 /* HAVE_SIGNAL_H */ /* That's it! */ return(0); } void SDL_QuitQuit(void) { #ifdef HAVE_SIGNAL_H void (*ohandler)(int); ohandler = signal(SIGINT, SIG_DFL); if ( ohandler != SDL_HandleSIG ) signal(SIGINT, ohandler); ohandler = signal(SIGTERM, SIG_DFL); if ( ohandler != SDL_HandleSIG ) signal(SIGTERM, ohandler); #endif /* HAVE_SIGNAL_H */ } /* 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); }