65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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* Copyright (c) 2017-2020, Arm Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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*/
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#ifndef __OS_WRAPPER_SEMAPHORE_H__
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#define __OS_WRAPPER_SEMAPHORE_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "common.h"
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/**
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* \brief Creates a new semaphore
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*
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* \param[in] max_count Highest count of the semaphore
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* \param[in] initial_count Starting count of the available semaphore
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* \param[in] name Name of the semaphore
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*
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* \return Returns handle of the semaphore created, or NULL in case of error
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*/
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void *os_wrapper_semaphore_create(uint32_t max_count, uint32_t initial_count,
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const char *name);
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/**
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* \brief Acquires the semaphore
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*
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* \param[in] hanlde Semaphore handle
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* \param[in] timeout Timeout value
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*
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* \return \ref OS_WRAPPER_SUCCESS in case of successful acquision, or
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* \ref OS_WRAPPER_ERROR in case of error
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*/
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uint32_t os_wrapper_semaphore_acquire(void *handle, uint32_t timeout);
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/**
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* \brief Releases the semaphore
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*
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* \param[in] hanlde Semaphore handle
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*
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* \return \ref OS_WRAPPER_SUCCESS in case of successful release, or
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* \ref OS_WRAPPER_ERROR in case of error
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*/
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uint32_t os_wrapper_semaphore_release(void *handle);
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/**
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* \brief Deletes the semaphore
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*
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* \param[in] handle Semaphore handle
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*
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* \return \ref OS_WRAPPER_SUCCESS in case of successful release, or
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* \ref OS_WRAPPER_ERROR in case of error
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*/
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uint32_t os_wrapper_semaphore_delete(void *handle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __OS_WRAPPER_SEMAPHORE_H__ */
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