FreeRTOS get stack size

task.h

/**
 * task.h
 * <PRE>UBaseType_t uxTaskGetStackSize( TaskHandle_t xTask );</PRE>
 *
 * INCLUDE_pxTaskGetStackSize must be set to 1 in FreeRTOSConfig.h for
 * this function to be available.
 *
 * Returns the stack size associated with xTask in bytes.
 *
 * @param xTask Handle of the task associated with the stack to be checked.
 * Set xTask to NULL to check the stack of the calling task.
 *
 * @return The stack size (in words) associated with xTask.
 */
UBaseType_t uxTaskGetStackSize( TaskHandle_t xTask ) PRIVILEGED_FUNCTION;

tasks.c

#if ( INCLUDE_pxTaskGetStackSize == 1 )

UBaseType_t uxTaskGetStackSize( TaskHandle_t xTask )
	{
		TCB_t *pxTCB;
		UBaseType_t uxReturn;

		pxTCB = prvGetTCBFromHandle( xTask );
		#if( portSTACK_GROWTH < 0 )
		{
			uxReturn = pxTCB->pxEndOfStack - pxTCB->pxStack + sizeof(UBaseType_t);
		}
		#else /* portSTACK_GROWTH */
		{
			uxReturn = pxTCB->pxStack - pxTCB->pxEndOfStack + sizeof(UBaseType_t);
		}
		#endif /* portSTACK_GROWTH */
        uxReturn/=sizeof(StackType_t);
		return uxReturn;
	}

#endif /* INCLUDE_pxTaskGetStackSize */
/*-----------------------------------------------------------*/