SDL_systhread.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_systhread.c,v 1.4 2002/04/22 21:38:02 wmay Exp $";
- #endif
- /* BeOS thread management routines for SDL */
- #include <stdio.h>
- #include <signal.h>
- #include <be/kernel/OS.h>
- #include "SDL_error.h"
- #include "SDL_mutex.h"
- #include "SDL_thread.h"
- #include "SDL_thread_c.h"
- #include "SDL_systhread.h"
- static int sig_list[] = {
- SIGHUP, SIGINT, SIGQUIT, SIGPIPE, SIGALRM, SIGTERM, SIGWINCH, 0
- };
- void SDL_MaskSignals(sigset_t *omask)
- {
- sigset_t mask;
- int i;
- sigemptyset(&mask);
- for ( i=0; sig_list[i]; ++i ) {
- sigaddset(&mask, sig_list[i]);
- }
- sigprocmask(SIG_BLOCK, &mask, omask);
- }
- void SDL_UnmaskSignals(sigset_t *omask)
- {
- sigprocmask(SIG_SETMASK, omask, NULL);
- }
- static int32 RunThread(void *data)
- {
- SDL_RunThread(data);
- return(0);
- }
- int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
- {
- /* Create the thread and go! */
- thread->handle=spawn_thread(RunThread, "SDL", B_NORMAL_PRIORITY, args);
- if ( (thread->handle == B_NO_MORE_THREADS) ||
- (thread->handle == B_NO_MEMORY) ) {
- SDL_SetError("Not enough resources to create thread");
- return(-1);
- }
- resume_thread(thread->handle);
- return(0);
- }
- void SDL_SYS_SetupThread(void)
- {
- /* Mask asynchronous signals for this thread */
- SDL_MaskSignals(NULL);
- }
- Uint32 SDL_ThreadID(void)
- {
- return((Uint32)find_thread(NULL));
- }
- void SDL_SYS_WaitThread(SDL_Thread *thread)
- {
- status_t the_status;
- wait_for_thread(thread->handle, &the_status);
- }
- void SDL_SYS_KillThread(SDL_Thread *thread)
- {
- kill_thread(thread->handle);
- }