diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/thread/win32/SDL_sysmutex.c')
-rw-r--r-- | distrib/sdl-1.2.12/src/thread/win32/SDL_sysmutex.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/win32/SDL_sysmutex.c b/distrib/sdl-1.2.12/src/thread/win32/SDL_sysmutex.c deleted file mode 100644 index da83829..0000000 --- a/distrib/sdl-1.2.12/src/thread/win32/SDL_sysmutex.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - 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" - -/* Mutex functions using the Win32 API */ - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> - -#include "SDL_mutex.h" - - -struct SDL_mutex { - HANDLE id; -}; - -/* Create a mutex */ -SDL_mutex *SDL_CreateMutex(void) -{ - SDL_mutex *mutex; - - /* Allocate mutex memory */ - mutex = (SDL_mutex *)SDL_malloc(sizeof(*mutex)); - if ( mutex ) { - /* Create the mutex, with initial value signaled */ - mutex->id = CreateMutex(NULL, FALSE, NULL); - if ( ! mutex->id ) { - SDL_SetError("Couldn't create mutex"); - SDL_free(mutex); - mutex = NULL; - } - } else { - SDL_OutOfMemory(); - } - return(mutex); -} - -/* Free the mutex */ -void SDL_DestroyMutex(SDL_mutex *mutex) -{ - if ( mutex ) { - if ( mutex->id ) { - CloseHandle(mutex->id); - mutex->id = 0; - } - SDL_free(mutex); - } -} - -/* Lock the mutex */ -int SDL_mutexP(SDL_mutex *mutex) -{ - if ( mutex == NULL ) { - SDL_SetError("Passed a NULL mutex"); - return -1; - } - if ( WaitForSingleObject(mutex->id, INFINITE) == WAIT_FAILED ) { - SDL_SetError("Couldn't wait on mutex"); - return -1; - } - return(0); -} - -/* Unlock the mutex */ -int SDL_mutexV(SDL_mutex *mutex) -{ - if ( mutex == NULL ) { - SDL_SetError("Passed a NULL mutex"); - return -1; - } - if ( ReleaseMutex(mutex->id) == FALSE ) { - SDL_SetError("Couldn't release mutex"); - return -1; - } - return(0); -} |