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According to POSIX priority value returned from pthread_getschedparam()
shall be the value specified by the most recent pthread_setschedparam(),
pthread_setschedprio(), or pthread_create() call affecting the target
thread. Read this as though a temporary lower priority due to the
sporadic server policy shall not be visible through
pthread_getschedparam(). Thus, use rtems_task_set_priority() to get the
current priority of the threads.
Use a priority ceiling mutex to prevent sporadic server priority
adjustments.
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* psx09/init.c, psx09/psx09.scn: Correct test following decision of
when not to change ssporadic scheduler so it does not touch a task's
priority when it is holding a mutex or its priority would be impacted
adversely.
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* psx01/psx01.scn, psx02/psx02.scn, psx03/psx03.scn, psx04/psx04.scn,
psx05/psx05.scn, psx06/psx06.scn, psx07/psx07.scn, psx08/psx08.scn,
psx09/psx09.scn, psx10/psx10.scn, psx11/psx11.scn, psx12/psx12.scn:
Per PR239 update the IDs in the various screens.
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sporadic server with priority ceiling mutex test.
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