FUNCTIONS

1. RunThread
2. SDL_SYS_CreateThread
3. SDL_SYS_SetupThread
4. SDL_ThreadID
5. SDL_SYS_WaitThread
6. SDL_SYS_KillThread

   1 /*
   2     SDL - Simple DirectMedia Layer
   3     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
   4 
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9 
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14 
  15     You should have received a copy of the GNU Library General Public
  16     License along with this library; if not, write to the Free
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 
  19     Sam Lantinga
  20     slouken@devolution.com
  21 */
  23 #ifdef SAVE_RCSID
  24 static char rcsid =
  25  "@(#) $Id: SDL_systhread.c,v 1.2.2.2 2001/02/10 07:20:04 hercules Exp $";
  26 #endif
  28 /* Win32 thread management routines for SDL */
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <windows.h>
  34 #include "SDL_error.h"
  35 #include "SDL_thread.h"
  36 #include "SDL_systhread.h"
  39 static DWORD WINAPI RunThread(LPVOID data)
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  40 {
SDL_RunThread(data);
  42         return(0);
  43 }
  45 int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
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  46 {
  47         DWORD  threadnum;
  49         thread->handle = CreateThread(NULL, 0, RunThread, args, 0, &threadnum);
  50         if (thread->handle == NULL) {
SDL_SetError("Not enough resources to create thread");
  52                 return(-1);
  53         }
  54         return(0);
  55 }
  57 void SDL_SYS_SetupThread(void)
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  58 {
  59         return;
  60 }
  62 Uint32 SDL_ThreadID(void)
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  63 {
  64         return((Uint32)GetCurrentThreadId());
  65 }
  67 void SDL_SYS_WaitThread(SDL_Thread *thread)
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  68 {
  69         WaitForSingleObject(thread->handle, INFINITE);
  70         CloseHandle(thread->handle);
  71 }
  73 /* WARNING: This function is really a last resort.
  74  * Threads should be signaled and then exit by themselves.
  75  * TerminateThread() doesn't perform stack and DLL cleanup.
  76  */
  77 void SDL_SYS_KillThread(SDL_Thread *thread)
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  78 {
  79         TerminateThread(thread->handle, FALSE);
  80 }