BohdanHunko | f871df0 | 2023-02-03 14:36:41 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017-2019, Arm Limited. All rights reserved. |
| 3 | * Copyright (c) 2023 Cypress Semiconductor Corporation (an Infineon company) |
| 4 | * or an affiliate of Cypress Semiconductor Corporation. All rights reserved. |
| 5 | * |
| 6 | * SPDX-License-Identifier: BSD-3-Clause |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #ifndef __OS_WRAPPER_MUTEX_H__ |
| 11 | #define __OS_WRAPPER_MUTEX_H__ |
| 12 | |
| 13 | #ifdef __cplusplus |
| 14 | extern "C" { |
| 15 | #endif |
| 16 | |
| 17 | #include "os_wrapper/common.h" |
| 18 | |
| 19 | /** |
| 20 | * \brief Creates a mutex for mutual exclusion of resources |
| 21 | * |
| 22 | * \return The handle of the created mutex on success or NULL on error |
| 23 | */ |
| 24 | void *os_wrapper_mutex_create(void); |
| 25 | |
| 26 | /** |
| 27 | * \brief Acquires a mutex that is created by \ref os_wrapper_mutex_create() |
| 28 | * |
| 29 | * \param[in] handle The handle of the mutex to acquire. Should be one of the |
| 30 | * handles returned by \ref os_wrapper_mutex_create() |
| 31 | * \param[in] timeout The maximum amount of time(in tick periods) for the |
| 32 | * thread to wait for the mutex to be available. |
| 33 | * If timeout is zero, the function will return immediately. |
| 34 | * Setting timeout to \ref OS_WRAPPER_WAIT_FOREVER will |
| 35 | * cause the thread to wait indefinitely |
| 36 | * |
| 37 | * \return \ref OS_WRAPPER_SUCCESS on success or \ref OS_WRAPPER_ERROR on error |
| 38 | * or timeout |
| 39 | */ |
| 40 | uint32_t os_wrapper_mutex_acquire(void *handle, uint32_t timeout); |
| 41 | |
| 42 | /** |
| 43 | * \brief Releases the mutex acquired previously |
| 44 | * |
| 45 | |
| 46 | * \param[in] handle The handle of the mutex that has been acquired |
| 47 | * |
| 48 | * \return \ref OS_WRAPPER_SUCCESS on success or \ref OS_WRAPPER_ERROR on error |
| 49 | */ |
| 50 | uint32_t os_wrapper_mutex_release(void *handle); |
| 51 | |
| 52 | /** |
| 53 | * \brief Deletes a mutex that is created by \ref os_wrapper_mutex_create() |
| 54 | * |
| 55 | * \param[in] handle The handle of the mutex to be deleted |
| 56 | * |
| 57 | * \return \ref OS_WRAPPER_SUCCESS on success or \ref OS_WRAPPER_ERROR on error |
| 58 | */ |
| 59 | uint32_t os_wrapper_mutex_delete(void *handle); |
| 60 | |
| 61 | #ifdef __cplusplus |
| 62 | } |
| 63 | #endif |
| 64 | |
| 65 | #endif /* __OS_WRAPPER_MUTEX_H__ */ |