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60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*
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* FreeRTOS V202012.00
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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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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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/**
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* @file threading_alt.h
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* @brief mbed TLS threading functions implemented for FreeRTOS.
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*/
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#ifndef MBEDTLS_THREADING_ALT_H_
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#define MBEDTLS_THREADING_ALT_H_
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/* FreeRTOS includes. */
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#include "FreeRTOS.h"
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#include "semphr.h"
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/**
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* @brief mbed TLS mutex type.
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*
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* mbed TLS requires platform specific definition for the mutext type. Defining the type for
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* FreeRTOS with FreeRTOS semaphore
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* handle and semaphore storage as members.
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*/
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typedef struct mbedtls_threading_mutex
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{
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SemaphoreHandle_t mutexHandle;
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StaticSemaphore_t mutexStorage;
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} mbedtls_threading_mutex_t;
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/* mbed TLS mutex functions. */
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void mbedtls_platform_mutex_init( mbedtls_threading_mutex_t * pMutex );
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void mbedtls_platform_mutex_free( mbedtls_threading_mutex_t * pMutex );
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int mbedtls_platform_mutex_lock( mbedtls_threading_mutex_t * pMutex );
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int mbedtls_platform_mutex_unlock( mbedtls_threading_mutex_t * pMutex );
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#endif /* ifndef MBEDTLS_THREADING_ALT_H_ */
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