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Diffstat (limited to 'distrib/sdl-1.2.15/include/SDL_thread.h')
-rw-r--r-- | distrib/sdl-1.2.15/include/SDL_thread.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/include/SDL_thread.h b/distrib/sdl-1.2.15/include/SDL_thread.h new file mode 100644 index 0000000..9ebe00e --- /dev/null +++ b/distrib/sdl-1.2.15/include/SDL_thread.h @@ -0,0 +1,115 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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 +*/ + +#ifndef _SDL_thread_h +#define _SDL_thread_h + +/** @file SDL_thread.h + * Header for the SDL thread management routines + * + * @note These are independent of the other SDL routines. + */ + +#include "SDL_stdinc.h" +#include "SDL_error.h" + +/* Thread synchronization primitives */ +#include "SDL_mutex.h" + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + +/** The SDL thread structure, defined in SDL_thread.c */ +struct SDL_Thread; +typedef struct SDL_Thread SDL_Thread; + +/** Create a thread */ +#if ((defined(__WIN32__) && !defined(HAVE_LIBC)) || defined(__OS2__)) && !defined(__SYMBIAN32__) +/** + * We compile SDL into a DLL on OS/2. This means, that it's the DLL which + * creates a new thread for the calling process with the SDL_CreateThread() + * API. There is a problem with this, that only the RTL of the SDL.DLL will + * be initialized for those threads, and not the RTL of the calling application! + * To solve this, we make a little hack here. + * We'll always use the caller's _beginthread() and _endthread() APIs to + * start a new thread. This way, if it's the SDL.DLL which uses this API, + * then the RTL of SDL.DLL will be used to create the new thread, and if it's + * the application, then the RTL of the application will be used. + * So, in short: + * Always use the _beginthread() and _endthread() of the calling runtime library! + */ +#define SDL_PASSED_BEGINTHREAD_ENDTHREAD +#ifndef _WIN32_WCE +#include <process.h> /* This has _beginthread() and _endthread() defined! */ +#endif + +#ifdef __OS2__ +typedef int (*pfnSDL_CurrentBeginThread)(void (*func)(void *), void *, unsigned, void *arg); +typedef void (*pfnSDL_CurrentEndThread)(void); +#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 + +extern DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread(int (SDLCALL *fn)(void *), void *data, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread); + +#ifdef __OS2__ +#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthread, _endthread) +#elif defined(_WIN32_WCE) +#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, NULL, NULL) +#else +#define SDL_CreateThread(fn, data) SDL_CreateThread(fn, data, _beginthreadex, _endthreadex) +#endif +#else +extern DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread(int (SDLCALL *fn)(void *), void *data); +#endif + +/** Get the 32-bit thread identifier for the current thread */ +extern DECLSPEC Uint32 SDLCALL SDL_ThreadID(void); + +/** Get the 32-bit thread identifier for the specified thread, + * equivalent to SDL_ThreadID() if the specified thread is NULL. + */ +extern DECLSPEC Uint32 SDLCALL SDL_GetThreadID(SDL_Thread *thread); + +/** Wait for a thread to finish. + * The return code for the thread function is placed in the area + * pointed to by 'status', if 'status' is not NULL. + */ +extern DECLSPEC void SDLCALL SDL_WaitThread(SDL_Thread *thread, int *status); + +/** Forcefully kill a thread without worrying about its state */ +extern DECLSPEC void SDLCALL SDL_KillThread(SDL_Thread *thread); + + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* _SDL_thread_h */ |