From d8239786b306ffda6d5d73753d01f0ad3358e1a0 Mon Sep 17 00:00:00 2001 From: Jesse Hall Date: Tue, 17 Jul 2012 16:58:55 -0700 Subject: Delete sdl-1.2.12 Change-Id: Ia96f80df04035ae84be3af468c945f2cec14f99c --- distrib/sdl-1.2.12/src/thread/dc/SDL_syssem.c | 173 -------------------------- 1 file changed, 173 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/thread/dc/SDL_syssem.c (limited to 'distrib/sdl-1.2.12/src/thread/dc/SDL_syssem.c') diff --git a/distrib/sdl-1.2.12/src/thread/dc/SDL_syssem.c b/distrib/sdl-1.2.12/src/thread/dc/SDL_syssem.c deleted file mode 100644 index d9888f7..0000000 --- a/distrib/sdl-1.2.12/src/thread/dc/SDL_syssem.c +++ /dev/null @@ -1,173 +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 - -#include "SDL_config.h" - -/* An implementation of semaphores using mutexes and condition variables */ - -#include "SDL_timer.h" -#include "SDL_thread.h" -#include "SDL_systhread_c.h" - - -#if SDL_THREADS_DISABLED - -SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) -{ - SDL_SetError("SDL not configured with thread support"); - return (SDL_sem *)0; -} - -void SDL_DestroySemaphore(SDL_sem *sem) -{ - return; -} - -int SDL_SemTryWait(SDL_sem *sem) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -int SDL_SemWait(SDL_sem *sem) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -Uint32 SDL_SemValue(SDL_sem *sem) -{ - return 0; -} - -int SDL_SemPost(SDL_sem *sem) -{ - SDL_SetError("SDL not configured with thread support"); - return -1; -} - -#else - -#include - -struct SDL_semaphore -{ - semaphore_t sem; -}; - -SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) -{ - return (SDL_sem *)sem_create(initial_value); -} - -/* WARNING: - You cannot call this function when another thread is using the semaphore. -*/ -void SDL_DestroySemaphore(SDL_sem *sem) -{ - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return; - } - - sem_destroy(&sem->sem); -} - -int SDL_SemTryWait(SDL_sem *sem) -{ - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - retval = sem_trywait(&sem->sem); - if (retval==0) return 0; - else return SDL_MUTEX_TIMEDOUT; - - return retval; -} - -int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) -{ - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - /* A timeout of 0 is an easy case */ - if ( timeout == 0 ) { - return SDL_SemTryWait(sem); - } - - retval = sem_wait_timed(&sem->sem,timeout); - if (retval==-1) retval= SDL_MUTEX_TIMEDOUT; - - return retval; -} - -int SDL_SemWait(SDL_sem *sem) -{ - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - while ( ((retval = sem_wait(&sem->sem)) == -1) && (errno == EINTR) ) {} - return retval; -} - -Uint32 SDL_SemValue(SDL_sem *sem) -{ - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - return sem_count(&sem->sem); -} - -int SDL_SemPost(SDL_sem *sem) -{ - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - sem_signal(&sem->sem); - return 0; -} - -#endif /* SDL_THREADS_DISABLED */ -- cgit v1.1