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Posix: Fix no task switching issue if a task ended its main function (#184)

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* Posix: Fix no task switching issue if a task ended

When the main function of a task exits, no task switching happened.
This is because all the remaining tasks are waiting on the condition
variable. The fix is to trigger a task switch and mark the exiting
task as "Dying" to be suspened and exited properly from the scheduler.

* Posix: Assert and stop if the Task function returned

* Posix: just assert if a task returned from its main function

Co-authored-by: alfred gedeon <alfred2g@hotmail.com>
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Reda Maher 2020-10-06 03:06:51 +02:00 committed by GitHub
parent fccb97b10b
commit 77ad717400
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7
portable/ThirdParty/GCC/Posix/port.c vendored
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@ -430,6 +430,13 @@ Thread_t *pxThread = pvParams;
/* Call the task's entry point. */ /* Call the task's entry point. */
pxThread->pxCode( pxThread->pvParams ); pxThread->pxCode( pxThread->pvParams );
/* A function that implements a task must not exit or attempt to return to
* its caller as there is nothing to return to. If a task wants to exit it
* should instead call vTaskDelete( NULL ). Artificially force an assert()
* to be triggered if configASSERT() is defined, so application writers can
* catch the error. */
configASSERT( pdFALSE );
return NULL; return NULL;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/