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/*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include <errno.h>
#include <rtems/system.h>
#include <rtems/score/object.h>
#include <rtems/score/states.h>
#include <rtems/score/watchdog.h>
#include <rtems/posix/cond.h>
#include <rtems/posix/time.h>
#include <rtems/posix/mutex.h>
/*PAGE
*
* _POSIX_Condition_variables_Signal_support
*
* A support routine which implements guts of the broadcast and single task
* wake up version of the "signal" operation.
*/
int _POSIX_Condition_variables_Signal_support(
pthread_cond_t *cond,
boolean is_broadcast
)
{
register POSIX_Condition_variables_Control *the_cond;
Objects_Locations location;
Thread_Control *the_thread;
the_cond = _POSIX_Condition_variables_Get( cond, &location );
switch ( location ) {
case OBJECTS_REMOTE:
#if defined(RTEMS_MULTIPROCESSING)
_Thread_Dispatch();
return POSIX_MP_NOT_IMPLEMENTED();
return EINVAL;
#endif
case OBJECTS_ERROR:
return EINVAL;
case OBJECTS_LOCAL:
do {
the_thread = _Thread_queue_Dequeue( &the_cond->Wait_queue );
if ( !the_thread )
the_cond->Mutex = POSIX_CONDITION_VARIABLES_NO_MUTEX;
} while ( is_broadcast && the_thread );
_Thread_Enable_dispatch();
return 0;
}
return POSIX_BOTTOM_REACHED();
}
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