RetroArch/libretro-common/include/rthreads/rsemaphore.h
2016-04-23 10:40:46 +02:00

53 lines
1.9 KiB
C

/* Copyright (C) 2010-2015 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (rsemaphore.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __LIBRETRO_SDK_SEMAPHORE_H
#define __LIBRETRO_SDK_SEMAPHORE_H
#include <retro_common_api.h>
RETRO_BEGIN_DECLS
typedef struct ssem ssem_t;
/**
* ssem_create:
* @value : initial value for the semaphore
*
* Create a new semaphore.
*
* Returns: pointer to new semaphore if successful, otherwise NULL.
*/
ssem_t *ssem_new(int value);
void ssem_free(ssem_t *semaphore);
int ssem_get(ssem_t *semaphore);
void ssem_wait(ssem_t *semaphore);
void ssem_signal(ssem_t *semaphore);
RETRO_END_DECLS
#endif /* __LIBRETRO_SDK_SEMAPHORE_H */