mirror of
https://github.com/mist-devel/mist-firmware.git
synced 2026-02-18 21:16:54 +00:00
56 lines
2.4 KiB
C
56 lines
2.4 KiB
C
/* ----------------------------------------------------------------------------
|
|
* SAM Software Package License
|
|
* ----------------------------------------------------------------------------
|
|
* Copyright (c) 2015, Atmel Corporation
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the disclaimer below.
|
|
*
|
|
* Atmel's name may not be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef MUTEX_H_
|
|
#define MUTEX_H_
|
|
|
|
/*------------------------------------------------------------------------------
|
|
* Headers
|
|
*------------------------------------------------------------------------------*/
|
|
|
|
#include <stdbool.h>
|
|
|
|
/*------------------------------------------------------------------------------
|
|
* Types
|
|
*------------------------------------------------------------------------------*/
|
|
|
|
/* Instances of mutex_t should be word-aligned (ALIGNED(4)) */
|
|
typedef volatile int mutex_t;
|
|
|
|
/*------------------------------------------------------------------------------
|
|
* Exported functions
|
|
*------------------------------------------------------------------------------*/
|
|
|
|
extern bool mutex_try_lock(mutex_t* mutex);
|
|
extern void mutex_lock(mutex_t* mutex);
|
|
extern void mutex_unlock(mutex_t* mutex);
|
|
extern bool mutex_is_locked(const mutex_t* mutex);
|
|
|
|
#endif /* MUTEX_H_ */
|