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Enhanced priority dis-inheritance functionality in the case where a task that caused another task to inherit its priority times out before obtain a mutex.

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Added test code to GenQTest to test the new priority dis-inheritance functionality.
Allow the default names given to the Idle and Timer tasks to be overwridden by definitions in FreeRTOSConfig.h.
This commit is contained in:
Richard Barry
2017-01-16 03:58:51 +00:00
parent 883541bc8e
commit d67dcf9c74
7 changed files with 521 additions and 52 deletions
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10
FreeRTOS/Source/include/task.h
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@ -2311,6 +2311,16 @@ BaseType_t xTaskPriorityInherit( TaskHandle_t const pxMutexHolder ) PRIVILEGED_F
*/
BaseType_t xTaskPriorityDisinherit( TaskHandle_t const pxMutexHolder ) PRIVILEGED_FUNCTION;
/*
* If a higher priority task attempting to obtain a mutex caused a lower
* priority task to inherit the higher priority task's priority - but the higher
* priority task then timed out without obtaining the mutex, then the lower
* priority task will disinherit the priority again - but only down as far as
* the highest priority task that is still waiting for the mutex (if there were
* more than one task waiting for the mutex).
*/
void vTaskPriorityDisinheritAfterTimeout( TaskHandle_t const pxMutexHolder, UBaseType_t uxHighestPriorityWaitingTask ) PRIVILEGED_FUNCTION;
/*
* Get the uxTCBNumber assigned to the task referenced by the xTask parameter.
*/