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102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
/*
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* Amazon FreeRTOS+POSIX V1.0.0
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* Copyright (C) 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-FileCopyrightText: 2018 Amazon.com, Inc. or its affiliates
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*
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* SPDX-License-Identifier: MIT
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*
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* SPDX-FileContributor: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://aws.amazon.com/freertos
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* http://www.FreeRTOS.org
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*/
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#ifndef _FREERTOS_POSIX_INTERNAL_H_
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#define _FREERTOS_POSIX_INTERNAL_H_
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/**
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* @file FreeRTOS_POSIX_internal.h
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* @brief Internal structs and initializers for FreeRTOS+POSIX.
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*/
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/* Amazon FreeRTOS includes. */
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#include "aws_doubly_linked_list.h"
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/**
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* @brief Mutex attribute object.
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*/
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typedef struct pthread_mutexattr_internal
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{
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int iType; /**< Mutex type. */
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} pthread_mutexattr_internal_t;
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/**
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* @brief Mutex.
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*/
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typedef struct pthread_mutex_internal
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{
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BaseType_t xIsInitialized; /**< Set to pdTRUE if this mutex is initialized, pdFALSE otherwise. */
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StaticSemaphore_t xMutex; /**< FreeRTOS mutex. */
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TaskHandle_t xTaskOwner; /**< Owner; used for deadlock detection and permission checks. */
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pthread_mutexattr_internal_t xAttr; /**< Mutex attributes. */
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} pthread_mutex_internal_t;
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/**
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* @brief Compile-time initializer of pthread_mutex_internal_t.
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*/
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#define FREERTOS_POSIX_MUTEX_INITIALIZER \
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( &( ( pthread_mutex_internal_t ) \
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{ \
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.xIsInitialized = pdFALSE, \
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.xMutex = { { 0 } }, \
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.xTaskOwner = NULL, \
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.xAttr = { .iType = 0 } \
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} \
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) \
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)
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/**
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* @brief Condition variable.
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*/
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typedef struct pthread_cond_internal
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{
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BaseType_t xIsInitialized; /**< Set to pdTRUE if this condition variable is initialized, pdFALSE otherwise. */
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StaticSemaphore_t xCondMutex; /**< Prevents concurrent accesses to iWaitingThreads. */
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StaticSemaphore_t xCondWaitSemaphore; /**< Threads block on this semaphore in pthread_cond_wait. */
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int iWaitingThreads; /**< The number of threads currently waiting on this condition variable. */
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} pthread_cond_internal_t;
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/**
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* @brief Compile-time initializer of pthread_cond_internal_t.
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*/
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#define FREERTOS_POSIX_COND_INITIALIZER \
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( &( ( pthread_cond_internal_t ) \
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{ \
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.xIsInitialized = pdFALSE, \
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.xCondMutex = { { 0 } }, \
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.xCondWaitSemaphore = { { 0 } }, \
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.iWaitingThreads = 0 \
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} \
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) \
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)
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#endif /* _FREERTOS_POSIX_INTERNAL_H_ */
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