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- /**
- * Copyright (c) 2016 - 2020 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
- *
- * All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS 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 HAL_MUTEX_H_INCLUDED
- #define HAL_MUTEX_H_INCLUDED
- #include "hal_atomic.h"
- /** @file
- * This is a simple mutex interface to be used in System Memory Manager
- * to make it thread aware.
- *
- * @defgroup hal_mutex HAL Mutex API
- * @ingroup hal_15_4
- * @{
- * @details NRF52 implementation is void and PC implementation is identical to atomic.
- */
- #if defined ( __GNUC__ )
- #include <signal.h>
- typedef volatile sig_atomic_t mutex_t;
- #else
- #include <stdint.h>
- typedef volatile uint32_t mutex_t;
- #endif
- /**@brief Configures mutex lock before first usage.
- *
- * @param[inout] p_mutex pointer to mutex variable.
- */
- void hal_mutex_init(mutex_t * p_mutex);
- /**@brief Atomically sets mutex. If set is failed, enters spin lock loop.
- *
- * @param[in] p_mutex pointer to mutex variable.
- */
- void hal_mutex_lock(mutex_t * p_mutex);
- /**
- * @brief Atomically clears mutex. Every other thread, spinning at this lock may
- * try to lock it afterwards.
- *
- * @param[in] p_mutex pointer to mutex variable.
- */
- void hal_mutex_unlock(mutex_t * p_mutex);
- /** @} */
- #endif /* HAL_MUTEX_H_INCLUDED */
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