int pthread_barrier_wait(
pthread_barrier_t *barrier
)
{
POSIX_Barrier_Control *the_barrier = NULL;
Objects_Locations location;
if ( !barrier )
return EINVAL;
the_barrier = _POSIX_Barrier_Get( barrier, &location );
switch ( location ) {
case OBJECTS_LOCAL:
_CORE_barrier_Wait(
&the_barrier->Barrier,
the_barrier->Object.id,
true,
0,
NULL
);
_Thread_Enable_dispatch();
return _POSIX_Barrier_Translate_core_barrier_return_code(
_Thread_Executing->Wait.return_code );
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
return EINVAL;
}
int pthread_barrier_wait(
pthread_barrier_t *barrier
)
{
POSIX_Barrier_Control *the_barrier;
ISR_lock_Context lock_context;
Thread_Control *executing;
if ( barrier == NULL ) {
return EINVAL;
}
the_barrier = _POSIX_Barrier_Get( barrier, &lock_context );
if ( the_barrier == NULL ) {
return EINVAL;
}
executing = _Thread_Executing;
_CORE_barrier_Seize(
&the_barrier->Barrier,
executing,
true,
0,
NULL,
0,
&lock_context
);
return _POSIX_Barrier_Translate_core_barrier_return_code(
executing->Wait.return_code
);
}
/**
* This directive allows a thread to delete a barrier specified by
* the barrier id. The barrier is freed back to the inactive
* barrier chain.
*
* @param[in] barrier is the barrier id
*
* @return This method returns 0 if there was not an
* error. Otherwise, a status code is returned indicating the
* source of the error.
*/
int pthread_barrier_destroy(
pthread_barrier_t *barrier
)
{
POSIX_Barrier_Control *the_barrier = NULL;
Objects_Locations location;
if ( !barrier )
return EINVAL;
_Objects_Allocator_lock();
the_barrier = _POSIX_Barrier_Get( barrier, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( the_barrier->Barrier.number_of_waiting_threads != 0 ) {
_Objects_Put( &the_barrier->Object );
return EBUSY;
}
_Objects_Close( &_POSIX_Barrier_Information, &the_barrier->Object );
_Objects_Put( &the_barrier->Object );
_POSIX_Barrier_Free( the_barrier );
_Objects_Allocator_unlock();
return 0;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
_Objects_Allocator_unlock();
return EINVAL;
}
