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/beos/SDL_syssem.c | 142 ------------------------ 1 file changed, 142 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/thread/beos/SDL_syssem.c (limited to 'distrib/sdl-1.2.12/src/thread/beos/SDL_syssem.c') diff --git a/distrib/sdl-1.2.12/src/thread/beos/SDL_syssem.c b/distrib/sdl-1.2.12/src/thread/beos/SDL_syssem.c deleted file mode 100644 index 5ea4f37..0000000 --- a/distrib/sdl-1.2.12/src/thread/beos/SDL_syssem.c +++ /dev/null @@ -1,142 +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" - -/* Semaphores in the BeOS environment */ - -#include - -#include "SDL_thread.h" - - -struct SDL_semaphore { - sem_id id; -}; - -/* Create a counting semaphore */ -SDL_sem *SDL_CreateSemaphore(Uint32 initial_value) -{ - SDL_sem *sem; - - sem = (SDL_sem *)SDL_malloc(sizeof(*sem)); - if ( sem ) { - sem->id = create_sem(initial_value, "SDL semaphore"); - if ( sem->id < B_NO_ERROR ) { - SDL_SetError("create_sem() failed"); - SDL_free(sem); - sem = NULL; - } - } else { - SDL_OutOfMemory(); - } - return(sem); -} - -/* Free the semaphore */ -void SDL_DestroySemaphore(SDL_sem *sem) -{ - if ( sem ) { - if ( sem->id >= B_NO_ERROR ) { - delete_sem(sem->id); - } - SDL_free(sem); - } -} - -int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout) -{ - int32 val; - int retval; - - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - tryagain: - if ( timeout == SDL_MUTEX_MAXWAIT ) { - val = acquire_sem(sem->id); - } else { - timeout *= 1000; /* BeOS uses a timeout in microseconds */ - val = acquire_sem_etc(sem->id, 1, B_RELATIVE_TIMEOUT, timeout); - } - switch (val) { - case B_INTERRUPTED: - goto tryagain; - case B_NO_ERROR: - retval = 0; - break; - case B_TIMED_OUT: - retval = SDL_MUTEX_TIMEDOUT; - break; - case B_WOULD_BLOCK: - retval = SDL_MUTEX_TIMEDOUT; - break; - default: - SDL_SetError("acquire_sem() failed"); - retval = -1; - break; - } - - return retval; -} - -int SDL_SemTryWait(SDL_sem *sem) -{ - return SDL_SemWaitTimeout(sem, 0); -} - -int SDL_SemWait(SDL_sem *sem) -{ - return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT); -} - -/* Returns the current count of the semaphore */ -Uint32 SDL_SemValue(SDL_sem *sem) -{ - int32 count; - Uint32 value; - - value = 0; - if ( sem ) { - get_sem_count(sem->id, &count); - if ( count > 0 ) { - value = (Uint32)count; - } - } - return value; -} - -/* Atomically increases the semaphore's count (not blocking) */ -int SDL_SemPost(SDL_sem *sem) -{ - if ( ! sem ) { - SDL_SetError("Passed a NULL semaphore"); - return -1; - } - - if ( release_sem(sem->id) != B_NO_ERROR ) { - SDL_SetError("release_sem() failed"); - return -1; - } - return 0; -} -- cgit v1.1