+#if configUSE_RECURSIVE_MUTEXES == 1\r
+\r
+ portBASE_TYPE xQueueGiveMutexRecursive( xQueueHandle pxMutex )\r
+ {\r
+ portBASE_TYPE xReturn;\r
+\r
+ configASSERT( pxMutex );\r
+\r
+ /* If this is the task that holds the mutex then pxMutexHolder will not\r
+ change outside of this task. If this task does not hold the mutex then\r
+ pxMutexHolder can never coincidentally equal the tasks handle, and as\r
+ this is the only condition we are interested in it does not matter if\r
+ pxMutexHolder is accessed simultaneously by another task. Therefore no\r
+ mutual exclusion is required to test the pxMutexHolder variable. */\r
+ if( pxMutex->pxMutexHolder == xTaskGetCurrentTaskHandle() )\r
+ {\r
+ traceGIVE_MUTEX_RECURSIVE( pxMutex );\r
+\r
+ /* uxRecursiveCallCount cannot be zero if pxMutexHolder is equal to\r
+ the task handle, therefore no underflow check is required. Also,\r
+ uxRecursiveCallCount is only modified by the mutex holder, and as\r
+ there can only be one, no mutual exclusion is required to modify the\r
+ uxRecursiveCallCount member. */\r
+ ( pxMutex->uxRecursiveCallCount )--;\r
+\r
+ /* Have we unwound the call count? */\r
+ if( pxMutex->uxRecursiveCallCount == 0 )\r
+ {\r
+ /* Return the mutex. This will automatically unblock any other\r
+ task that might be waiting to access the mutex. */\r
+ xQueueGenericSend( pxMutex, NULL, queueMUTEX_GIVE_BLOCK_TIME, queueSEND_TO_BACK );\r
+ }\r
+\r
+ xReturn = pdPASS;\r
+ }\r
+ else\r
+ {\r
+ /* We cannot give the mutex because we are not the holder. */\r
+ xReturn = pdFAIL;\r
+\r
+ traceGIVE_MUTEX_RECURSIVE_FAILED( pxMutex );\r
+ }\r
+\r
+ return xReturn;\r
+ }\r
+\r
+#endif /* configUSE_RECURSIVE_MUTEXES */\r
+/*-----------------------------------------------------------*/\r
+\r
+#if configUSE_RECURSIVE_MUTEXES == 1\r
+\r
+ portBASE_TYPE xQueueTakeMutexRecursive( xQueueHandle pxMutex, portTickType xBlockTime )\r
+ {\r
+ portBASE_TYPE xReturn;\r
+\r
+ configASSERT( pxMutex );\r
+\r
+ /* Comments regarding mutual exclusion as per those within\r
+ xQueueGiveMutexRecursive(). */\r
+\r
+ traceTAKE_MUTEX_RECURSIVE( pxMutex );\r
+\r
+ if( pxMutex->pxMutexHolder == xTaskGetCurrentTaskHandle() )\r
+ {\r
+ ( pxMutex->uxRecursiveCallCount )++;\r
+ xReturn = pdPASS;\r
+ }\r
+ else\r
+ {\r
+ xReturn = xQueueGenericReceive( pxMutex, NULL, xBlockTime, pdFALSE );\r
+\r
+ /* pdPASS will only be returned if we successfully obtained the mutex,\r
+ we may have blocked to reach here. */\r
+ if( xReturn == pdPASS )\r
+ {\r
+ ( pxMutex->uxRecursiveCallCount )++;\r
+ }\r
+ else\r
+ {\r
+ traceTAKE_MUTEX_RECURSIVE_FAILED( pxMutex );\r
+ }\r
+ }\r
+\r
+ return xReturn;\r
+ }\r
+\r
+#endif /* configUSE_RECURSIVE_MUTEXES */\r
+/*-----------------------------------------------------------*/\r
+\r