/* If any of the following are set then task stacks are filled with a known\r
value so the high water mark can be determined. If none of the following are\r
set then don't fill the stack so there is no unnecessary dependency on memset. */\r
-#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )\r
+#if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) || ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )\r
#define tskSET_NEW_STACKS_TO_KNOWN_VALUE 1\r
#else\r
#define tskSET_NEW_STACKS_TO_KNOWN_VALUE 0\r
* This function determines the 'high water mark' of the task stack by\r
* determining how much of the stack remains at the original preset value.\r
*/\r
-#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )\r
+#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )\r
\r
static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte ) PRIVILEGED_FUNCTION;\r
\r
uxPriority &= ~portPRIVILEGE_BIT;\r
#endif /* portUSING_MPU_WRAPPERS == 1 */\r
\r
- configASSERT( pcName );\r
-\r
/* Avoid dependency on memset() if it is not required. */\r
#if( tskSET_NEW_STACKS_TO_KNOWN_VALUE == 1 )\r
{\r
#endif /* portSTACK_GROWTH */\r
\r
/* Store the task name in the TCB. */\r
- for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )\r
+ if( pcName != NULL )\r
{\r
- pxNewTCB->pcTaskName[ x ] = pcName[ x ];\r
-\r
- /* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than\r
- configMAX_TASK_NAME_LEN characters just in case the memory after the\r
- string is not accessible (extremely unlikely). */\r
- if( pcName[ x ] == ( char ) 0x00 )\r
+ for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ )\r
{\r
- break;\r
- }\r
- else\r
- {\r
- mtCOVERAGE_TEST_MARKER();\r
+ pxNewTCB->pcTaskName[ x ] = pcName[ x ];\r
+\r
+ /* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than\r
+ configMAX_TASK_NAME_LEN characters just in case the memory after the\r
+ string is not accessible (extremely unlikely). */\r
+ if( pcName[ x ] == ( char ) 0x00 )\r
+ {\r
+ break;\r
+ }\r
+ else\r
+ {\r
+ mtCOVERAGE_TEST_MARKER();\r
+ }\r
}\r
- }\r
\r
- /* Ensure the name string is terminated in the case that the string length\r
- was greater or equal to configMAX_TASK_NAME_LEN. */\r
- pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';\r
+ /* Ensure the name string is terminated in the case that the string length\r
+ was greater or equal to configMAX_TASK_NAME_LEN. */\r
+ pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0';\r
+ }\r
+ else\r
+ {\r
+ /* The task has not been given a name, so just ensure there is a NULL\r
+ terminator when it is read out. */\r
+ pxNewTCB->pcTaskName[ 0 ] = 0x00;\r
+ }\r
\r
/* This is used as an array index so must ensure it's not too large. First\r
remove the privilege bit if one is present. */\r
\r
TaskHookFunction_t xTaskGetApplicationTaskTag( TaskHandle_t xTask )\r
{\r
- TCB_t *xTCB;\r
+ TCB_t *pxTCB;\r
TaskHookFunction_t xReturn;\r
\r
- /* If xTask is NULL then we are setting our own task hook. */\r
- if( xTask == NULL )\r
- {\r
- xTCB = ( TCB_t * ) pxCurrentTCB;\r
- }\r
- else\r
- {\r
- xTCB = xTask;\r
- }\r
+ /* If xTask is NULL then set the calling task's hook. */\r
+ pxTCB = prvGetTCBFromHandle( xTask );\r
\r
/* Save the hook function in the TCB. A critical section is required as\r
the value can be accessed from an interrupt. */\r
taskENTER_CRITICAL();\r
{\r
- xReturn = xTCB->pxTaskTag;\r
+ xReturn = pxTCB->pxTaskTag;\r
}\r
taskEXIT_CRITICAL();\r
\r
#endif /* configUSE_APPLICATION_TASK_TAG */\r
/*-----------------------------------------------------------*/\r
\r
+#if ( configUSE_APPLICATION_TASK_TAG == 1 )\r
+\r
+ TaskHookFunction_t xTaskGetApplicationTaskTagFromISR( TaskHandle_t xTask )\r
+ {\r
+ TCB_t *pxTCB;\r
+ TaskHookFunction_t xReturn;\r
+ UBaseType_t uxSavedInterruptStatus;\r
+\r
+ /* If xTask is NULL then set the calling task's hook. */\r
+ pxTCB = prvGetTCBFromHandle( xTask );\r
+\r
+ /* Save the hook function in the TCB. A critical section is required as\r
+ the value can be accessed from an interrupt. */\r
+ uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();\r
+ {\r
+ xReturn = pxTCB->pxTaskTag;\r
+ }\r
+ portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus );\r
+\r
+ return xReturn;\r
+ }\r
+\r
+#endif /* configUSE_APPLICATION_TASK_TAG */\r
+/*-----------------------------------------------------------*/\r
+\r
#if ( configUSE_APPLICATION_TASK_TAG == 1 )\r
\r
BaseType_t xTaskCallApplicationTaskHook( TaskHandle_t xTask, void *pvParameter )\r
\r
#if ( configGENERATE_RUN_TIME_STATS == 1 )\r
{\r
- #ifdef portALT_GET_RUN_TIME_COUNTER_VALUE\r
- portALT_GET_RUN_TIME_COUNTER_VALUE( ulTotalRunTime );\r
- #else\r
- ulTotalRunTime = portGET_RUN_TIME_COUNTER_VALUE();\r
- #endif\r
+ #ifdef portALT_GET_RUN_TIME_COUNTER_VALUE\r
+ portALT_GET_RUN_TIME_COUNTER_VALUE( ulTotalRunTime );\r
+ #else\r
+ ulTotalRunTime = portGET_RUN_TIME_COUNTER_VALUE();\r
+ #endif\r
\r
- /* Add the amount of time the task has been running to the\r
- accumulated time so far. The time the task started running was\r
- stored in ulTaskSwitchedInTime. Note that there is no overflow\r
- protection here so count values are only valid until the timer\r
- overflows. The guard against negative values is to protect\r
- against suspect run time stat counter implementations - which\r
- are provided by the application, not the kernel. */\r
- if( ulTotalRunTime > ulTaskSwitchedInTime )\r
- {\r
- pxCurrentTCB->ulRunTimeCounter += ( ulTotalRunTime - ulTaskSwitchedInTime );\r
- }\r
- else\r
- {\r
- mtCOVERAGE_TEST_MARKER();\r
- }\r
- ulTaskSwitchedInTime = ulTotalRunTime;\r
+ /* Add the amount of time the task has been running to the\r
+ accumulated time so far. The time the task started running was\r
+ stored in ulTaskSwitchedInTime. Note that there is no overflow\r
+ protection here so count values are only valid until the timer\r
+ overflows. The guard against negative values is to protect\r
+ against suspect run time stat counter implementations - which\r
+ are provided by the application, not the kernel. */\r
+ if( ulTotalRunTime > ulTaskSwitchedInTime )\r
+ {\r
+ pxCurrentTCB->ulRunTimeCounter += ( ulTotalRunTime - ulTaskSwitchedInTime );\r
+ }\r
+ else\r
+ {\r
+ mtCOVERAGE_TEST_MARKER();\r
+ }\r
+ ulTaskSwitchedInTime = ulTotalRunTime;\r
}\r
#endif /* configGENERATE_RUN_TIME_STATS */\r
\r
{\r
( void ) uxListRemove( &( pxUnblockedTCB->xStateListItem ) );\r
prvAddTaskToReadyList( pxUnblockedTCB );\r
+\r
+ #if( configUSE_TICKLESS_IDLE != 0 )\r
+ {\r
+ /* If a task is blocked on a kernel object then xNextTaskUnblockTime\r
+ might be set to the blocked task's time out time. If the task is\r
+ unblocked for a reason other than a timeout xNextTaskUnblockTime is\r
+ normally left unchanged, because it is automatically reset to a new\r
+ value when the tick count equals xNextTaskUnblockTime. However if\r
+ tickless idling is used it might be more important to enter sleep mode\r
+ at the earliest possible time - so reset xNextTaskUnblockTime here to\r
+ ensure it is updated at the earliest possible time. */\r
+ prvResetNextTaskUnblockTime();\r
+ }\r
+ #endif\r
}\r
else\r
{\r
xReturn = pdFALSE;\r
}\r
\r
- #if( configUSE_TICKLESS_IDLE != 0 )\r
- {\r
- /* If a task is blocked on a kernel object then xNextTaskUnblockTime\r
- might be set to the blocked task's time out time. If the task is\r
- unblocked for a reason other than a timeout xNextTaskUnblockTime is\r
- normally left unchanged, because it is automatically reset to a new\r
- value when the tick count equals xNextTaskUnblockTime. However if\r
- tickless idling is used it might be more important to enter sleep mode\r
- at the earliest possible time - so reset xNextTaskUnblockTime here to\r
- ensure it is updated at the earliest possible time. */\r
- prvResetNextTaskUnblockTime();\r
- }\r
- #endif\r
-\r
return xReturn;\r
}\r
/*-----------------------------------------------------------*/\r
#endif /* configUSE_TRACE_FACILITY */\r
/*-----------------------------------------------------------*/\r
\r
-#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) )\r
+#if ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) )\r
\r
static configSTACK_DEPTH_TYPE prvTaskCheckFreeStackSpace( const uint8_t * pucStackByte )\r
{\r
return ( configSTACK_DEPTH_TYPE ) ulCount;\r
}\r
\r
-#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) ) */\r
+#endif /* ( ( configUSE_TRACE_FACILITY == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark == 1 ) || ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 ) ) */\r
+/*-----------------------------------------------------------*/\r
+\r
+#if ( INCLUDE_uxTaskGetStackHighWaterMark2 == 1 )\r
+\r
+ /* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are the\r
+ same except for their return type. Using configSTACK_DEPTH_TYPE allows the\r
+ user to determine the return type. It gets around the problem of the value\r
+ overflowing on 8-bit types without breaking backward compatibility for\r
+ applications that expect an 8-bit return type. */\r
+ configSTACK_DEPTH_TYPE uxTaskGetStackHighWaterMark2( TaskHandle_t xTask )\r
+ {\r
+ TCB_t *pxTCB;\r
+ uint8_t *pucEndOfStack;\r
+ configSTACK_DEPTH_TYPE uxReturn;\r
+\r
+ /* uxTaskGetStackHighWaterMark() and uxTaskGetStackHighWaterMark2() are\r
+ the same except for their return type. Using configSTACK_DEPTH_TYPE\r
+ allows the user to determine the return type. It gets around the\r
+ problem of the value overflowing on 8-bit types without breaking\r
+ backward compatibility for applications that expect an 8-bit return\r
+ type. */\r
+\r
+ pxTCB = prvGetTCBFromHandle( xTask );\r
+\r
+ #if portSTACK_GROWTH < 0\r
+ {\r
+ pucEndOfStack = ( uint8_t * ) pxTCB->pxStack;\r
+ }\r
+ #else\r
+ {\r
+ pucEndOfStack = ( uint8_t * ) pxTCB->pxEndOfStack;\r
+ }\r
+ #endif\r
+\r
+ uxReturn = prvTaskCheckFreeStackSpace( pucEndOfStack );\r
+\r
+ return uxReturn;\r
+ }\r
+\r
+#endif /* INCLUDE_uxTaskGetStackHighWaterMark2 */\r
/*-----------------------------------------------------------*/\r
\r
#if ( INCLUDE_uxTaskGetStackHighWaterMark == 1 )\r
projects / freertos / blobdiff