2 * FreeRTOS Kernel <DEVELOPMENT BRANCH>
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3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * https://www.FreeRTOS.org
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23 * https://github.com/FreeRTOS
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25 * 1 tab == 4 spaces!
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30 * Implementation of pvPortMalloc() and vPortFree() that relies on the
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31 * compilers own malloc() and free() implementations.
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33 * This file can only be used if the linker is configured to to generate
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34 * a heap memory area.
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36 * See heap_1.c, heap_2.c and heap_4.c for alternative implementations, and the
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37 * memory management pages of https://www.FreeRTOS.org for more information.
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42 /* Defining MPU_WRAPPERS_INCLUDED_FROM_API_FILE prevents task.h from redefining
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43 * all the API functions to use the MPU wrappers. That should only be done when
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44 * task.h is included from an application file. */
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45 #define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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47 #include "FreeRTOS.h"
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50 #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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52 #if ( configSUPPORT_DYNAMIC_ALLOCATION == 0 )
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53 #error This file must not be used if configSUPPORT_DYNAMIC_ALLOCATION is 0
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56 /*-----------------------------------------------------------*/
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58 void * pvPortMalloc( size_t xWantedSize )
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64 pvReturn = malloc( xWantedSize );
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65 traceMALLOC( pvReturn, xWantedSize );
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67 ( void ) xTaskResumeAll();
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69 #if ( configUSE_MALLOC_FAILED_HOOK == 1 )
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71 if( pvReturn == NULL )
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73 extern void vApplicationMallocFailedHook( void );
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74 vApplicationMallocFailedHook();
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81 /*-----------------------------------------------------------*/
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83 void vPortFree( void * pv )
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92 ( void ) xTaskResumeAll();
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