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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [src/] [mutexgetprioceiling.c] - Rev 593
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/* * $Id: mutexgetprioceiling.c,v 1.2 2001-09-27 11:59:17 chris Exp $ */ #include <assert.h> #include <errno.h> #include <pthread.h> #include <rtems/system.h> #include <rtems/score/coremutex.h> #include <rtems/score/watchdog.h> #if defined(RTEMS_MULTIPROCESSING) #include <rtems/score/mpci.h> #endif #include <rtems/posix/mutex.h> #include <rtems/posix/priority.h> #include <rtems/posix/time.h> /*PAGE * * 13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131 */ int pthread_mutex_getprioceiling( pthread_mutex_t *mutex, int *prioceiling ) { register POSIX_Mutex_Control *the_mutex; Objects_Locations location; if ( !prioceiling ) return EINVAL; the_mutex = _POSIX_Mutex_Get( mutex, &location ); switch ( location ) { case OBJECTS_REMOTE: #if defined(RTEMS_MULTIPROCESSING) return POSIX_MP_NOT_IMPLEMENTED(); /* XXX feels questionable */ #endif case OBJECTS_ERROR: return EINVAL; case OBJECTS_LOCAL: *prioceiling = _POSIX_Priority_From_core( the_mutex->Mutex.Attributes.priority_ceiling ); _Thread_Enable_dispatch(); return 0; } return POSIX_BOTTOM_REACHED(); }
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