Mercurial > sdl-ios-xcode
view src/thread/win32/SDL_systhread.c @ 2349:0381047f2210 gsoc2008_iphone
The class SDL_uikitappdelegate acts as the UIApplicationDelegate for an iPhone SDL project. This class is reponsible for application control flow, including initial setup of working directory, forwarding command line arguments to the user's main function, and handling application termination.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Thu, 17 Jul 2008 22:29:37 +0000 |
parents | c121d94672cb |
children | 4436464c4f51 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 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 unsigned long (__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 unsigned __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; } Uint32 SDL_ThreadID(void) { return ((Uint32) GetCurrentThreadId()); } void SDL_SYS_WaitThread(SDL_Thread * thread) { WaitForSingleObject(thread->handle, INFINITE); CloseHandle(thread->handle); } /* WARNING: This function is really a last resort. * Threads should be signaled and then exit by themselves. * TerminateThread() doesn't perform stack and DLL cleanup. */ void SDL_SYS_KillThread(SDL_Thread * thread) { TerminateThread(thread->handle, FALSE); } /* vi: set ts=4 sw=4 expandtab: */