Mercurial > sdl-ios-xcode
diff src/thread/windows/SDL_systhread.c @ 5062:e8916fe9cfc8
Fixed bug #925
Changed "win32" to "windows"
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Thu, 20 Jan 2011 18:04:05 -0800 |
parents | src/thread/win32/SDL_systhread.c@1bceff8f008f |
children | c2539ff054c8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/thread/windows/SDL_systhread.c Thu Jan 20 18:04:05 2011 -0800 @@ -0,0 +1,167 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2010 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" + +/* Win32 thread management routines for SDL */ + +#define WIN32_LEAN_AND_MEAN +#include <windows.h> + +#include "SDL_thread.h" +#include "../SDL_thread_c.h" +#include "../SDL_systhread.h" + +#ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD +#ifndef _WIN32_WCE +/* We'll use the C library from this DLL */ +#include <process.h> +#endif + +#if __GNUC__ +typedef uintptr_t (__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned, + unsigned + (__stdcall * + func) (void *), + void *arg, + unsigned, + unsigned + *threadID); +typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code); +#elif defined(__WATCOMC__) +/* This is for Watcom targets except OS2 */ +#if __WATCOMC__ < 1240 +#define __watcall +#endif +typedef unsigned long (__watcall * pfnSDL_CurrentBeginThread) (void *, + unsigned, + unsigned + (__stdcall * + func) (void + *), + void *arg, + unsigned, + unsigned + *threadID); +typedef void (__watcall * pfnSDL_CurrentEndThread) (unsigned code); +#else +typedef uintptr_t(__cdecl * pfnSDL_CurrentBeginThread) (void *, unsigned, + unsigned (__stdcall * + func) (void + *), + void *arg, unsigned, + unsigned *threadID); +typedef void (__cdecl * pfnSDL_CurrentEndThread) (unsigned code); +#endif +#endif /* !SDL_PASSED_BEGINTHREAD_ENDTHREAD */ + + +typedef struct ThreadStartParms +{ + void *args; + pfnSDL_CurrentEndThread pfnCurrentEndThread; +} tThreadStartParms, *pThreadStartParms; + +static DWORD __stdcall +RunThread(void *data) +{ + pThreadStartParms pThreadParms = (pThreadStartParms) data; + pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL; + + // Call the thread function! + SDL_RunThread(pThreadParms->args); + + // Get the current endthread we have to use! + if (pThreadParms) { + pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread; + SDL_free(pThreadParms); + } + // Call endthread! + if (pfnCurrentEndThread) + (*pfnCurrentEndThread) (0); + return (0); +} + +#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD +int +SDL_SYS_CreateThread(SDL_Thread * thread, void *args, + pfnSDL_CurrentBeginThread pfnBeginThread, + pfnSDL_CurrentEndThread pfnEndThread) +{ +#else +int +SDL_SYS_CreateThread(SDL_Thread * thread, void *args) +{ +#ifdef _WIN32_WCE + pfnSDL_CurrentBeginThread pfnBeginThread = NULL; + pfnSDL_CurrentEndThread pfnEndThread = NULL; +#else + pfnSDL_CurrentBeginThread pfnBeginThread = _beginthreadex; + pfnSDL_CurrentEndThread pfnEndThread = _endthreadex; +#endif +#endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */ + unsigned threadid; + pThreadStartParms pThreadParms = + (pThreadStartParms) SDL_malloc(sizeof(tThreadStartParms)); + if (!pThreadParms) { + SDL_OutOfMemory(); + return (-1); + } + // Save the function which we will have to call to clear the RTL of calling app! + pThreadParms->pfnCurrentEndThread = pfnEndThread; + // Also save the real parameters we have to pass to thread function + pThreadParms->args = args; + + if (pfnBeginThread) { + thread->handle = + (SYS_ThreadHandle) pfnBeginThread(NULL, 0, RunThread, + pThreadParms, 0, &threadid); + } else { + thread->handle = + CreateThread(NULL, 0, RunThread, pThreadParms, 0, &threadid); + } + if (thread->handle == NULL) { + SDL_SetError("Not enough resources to create thread"); + return (-1); + } + return (0); +} + +void +SDL_SYS_SetupThread(void) +{ + return; +} + +SDL_threadID +SDL_ThreadID(void) +{ + return ((SDL_threadID) GetCurrentThreadId()); +} + +void +SDL_SYS_WaitThread(SDL_Thread * thread) +{ + WaitForSingleObject(thread->handle, INFINITE); + CloseHandle(thread->handle); +} + +/* vi: set ts=4 sw=4 expandtab: */