On 2014-05-21 17:01, Gedare Bloom wrote:
if ( initially_locked ) { > the_mutex->nest_count = 1; > the_mutex->holder = executing; > if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) || > _CORE_mutex_Is_priority_ceiling( &the_mutex->Attributes ) ) { > > if ( executing->current_priority < > the_mutex->Attributes.priority_ceiling ) > return CORE_MUTEX_STATUS_CEILING_VIOLATED;Looks like this check ensures the executing thread has got priority at least at the priority_ceiling. If it does not, the mutex is not initialized.
Yes, this is the error case. In the good case the priority is not changed to the ceiling priority like for a normal rtems_semaphore_obtain() (see _CORE_mutex_Seize_interrupt_trylock_body()).
-- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax : +49 89 189 47 41-09 E-Mail : sebastian.hu...@embedded-brains.de PGP : Public key available on request. Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG. _______________________________________________ rtems-devel mailing list rtems-devel@rtems.org http://www.rtems.org/mailman/listinfo/rtems-devel
