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Does kernel only sets pxHigherPriorityTaskWoken to pdTRUE and never resets it?

Posted by beginend1 on November 26, 2013

Can I safety assume, that is calling any kernel code that takes pxHigherPriorityTaskWoken will only set given variable and never will reset it?

...
signed portBASE_TYPE need_yeld = pdFALSE;
xQueueSendToBackFromISR( some_queue, sime_item_ptr, &need_yeld );
xTimerStartFromISR( some_timer, &need_yeld );
portEND_SWITCHING_ISR( need_yeld );
...

Is this code safe?


Does kernel only sets pxHigherPriorityTaskWoken to pdTRUE and never resets it?

Posted by rtel on November 26, 2013

Yes that is safe - in fact you are using it exactly as it is intended to be used.

Regards.


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