mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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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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* Implementation of pvPortMalloc() and vPortFree() that relies on the
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* compilers own malloc() and free() implementations.
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*
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* This file can only be used if the linker is configured to to generate
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* a heap memory area.
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*
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* See heap_1.c, heap_2.c and heap_4.c for alternative implementations, and the
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* memory management pages of https://www.FreeRTOS.org for more information.
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*/
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#include <stdlib.h>
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/* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
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* all the API functions to use the MPU wrappers. That should only be done when
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* task.h is included from an application file. */
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#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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#include "FreeRTOS.h"
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#include "task.h"
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#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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#if ( configSUPPORT_DYNAMIC_ALLOCATION == 0 )
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#error This file must not be used if configSUPPORT_DYNAMIC_ALLOCATION is 0
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#endif
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/*-----------------------------------------------------------*/
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void * pvPortMalloc( size_t xWantedSize )
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{
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void * pvReturn;
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vTaskSuspendAll();
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{
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pvReturn = malloc( xWantedSize );
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traceMALLOC( pvReturn, xWantedSize );
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}
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( void ) xTaskResumeAll();
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#if ( configUSE_MALLOC_FAILED_HOOK == 1 )
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{
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if( pvReturn == NULL )
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{
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vApplicationMallocFailedHook();
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}
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}
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#endif
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return pvReturn;
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}
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/*-----------------------------------------------------------*/
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void vPortFree( void * pv )
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{
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if( pv != NULL )
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{
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vTaskSuspendAll();
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{
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free( pv );
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traceFREE( pv, 0 );
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}
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( void ) xTaskResumeAll();
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}
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}
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/*-----------------------------------------------------------*/
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/*
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* Reset the state in this file. This state is normally initialized at start up.
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* This function must be called by the application before restarting the
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* scheduler.
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*/
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void vPortHeapResetState( void )
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{
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/* No state needs to be re-initialised in heap_3. */
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}
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/*-----------------------------------------------------------*/
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