SDL_quit.c
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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: SDL_quit.c,v 1.4 2002/04/22 21:38:02 wmay Exp $";
- #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);
- }