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/*
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* @file threading_alt.h
* @brief mbed TLS threading functions implemented for FreeRTOS.
*/
#ifndef MBEDTLS_THREADING_ALT_H_
#define MBEDTLS_THREADING_ALT_H_
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "semphr.h"
/**
* @brief mbed TLS mutex type.
*
* mbed TLS requires platform specific definition for the mutext type. Defining the type for
* FreeRTOS with FreeRTOS semaphore
* handle and semaphore storage as members.
*/
typedef struct mbedtls_threading_mutex
{
SemaphoreHandle_t mutexHandle;
StaticSemaphore_t mutexStorage;
} mbedtls_threading_mutex_t;
/* mbed TLS mutex functions. */
void mbedtls_platform_mutex_init( mbedtls_threading_mutex_t * pMutex );
void mbedtls_platform_mutex_free( mbedtls_threading_mutex_t * pMutex );
int mbedtls_platform_mutex_lock( mbedtls_threading_mutex_t * pMutex );
int mbedtls_platform_mutex_unlock( mbedtls_threading_mutex_t * pMutex );
#endif /* ifndef MBEDTLS_THREADING_ALT_H_ */
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