c36118165e
Make sure every source file includes SDL_config.h, so the proper system headers are chosen. --HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401406
107 lines
3 KiB
C
107 lines
3 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* OS/2 thread management routines for SDL */
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#include <process.h>
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#define INCL_DOSERRORS
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#define INCL_DOSPROCESS
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#include <os2.h>
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#include "SDL_thread.h"
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#include "../SDL_systhread.h"
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typedef struct ThreadStartParms
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{
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void *args;
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pfnSDL_CurrentEndThread pfnCurrentEndThread;
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} tThreadStartParms, *pThreadStartParms;
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static void threadfunc(void *pparm)
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{
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pThreadStartParms pThreadParms = pparm;
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pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
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// Call the thread function!
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SDL_RunThread(pThreadParms->args);
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// Get the current endthread we have to use!
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if (pThreadParms)
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{
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pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
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SDL_free(pThreadParms);
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}
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// Call endthread!
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if (pfnCurrentEndThread)
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(*pfnCurrentEndThread)();
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}
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int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread)
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{
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pThreadStartParms pThreadParms = SDL_malloc(sizeof(tThreadStartParms));
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if (!pThreadParms)
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{
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SDL_SetError("Not enough memory to create thread");
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return(-1);
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}
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// Save the function which we will have to call to clear the RTL of calling app!
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pThreadParms->pfnCurrentEndThread = pfnEndThread;
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// Also save the real parameters we have to pass to thread function
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pThreadParms->args = args;
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// Start the thread using the runtime library of calling app!
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thread->threadid = thread->handle = (*pfnBeginThread)(threadfunc, NULL, 512*1024, pThreadParms);
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if (thread->threadid<=0)
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{
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SDL_SetError("Not enough resources to create thread");
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return(-1);
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}
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return(0);
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}
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void SDL_SYS_SetupThread(void)
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{
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return;
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}
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DECLSPEC Uint32 SDLCALL SDL_ThreadID(void)
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{
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PTIB tib;
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DosGetInfoBlocks(&tib, NULL);
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return((Uint32) (tib->tib_ptib2->tib2_ultid));
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}
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void SDL_SYS_WaitThread(SDL_Thread *thread)
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{
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TID tid = thread->handle;
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DosWaitThread(&tid, DCWW_WAIT);
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}
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/* WARNING: This function is really a last resort.
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* Threads should be signaled and then exit by themselves.
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* TerminateThread() doesn't perform stack and DLL cleanup.
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*/
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void SDL_SYS_KillThread(SDL_Thread *thread)
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{
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DosKillThread(thread->handle);
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}
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