FreeRTOS-Labs/Source/FreeRTOS-IoT-Libraries/abstractions/mbedtls/threading_alt.h

/*
 * Copyright (C) 2018 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
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/* 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"

/* mbed TLS mutex type. */
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