void _CORE_message_queue_Close(
CORE_message_queue_Control *the_message_queue,
Thread_queue_Flush_callout remote_extract_callout,
uint32_t status
)
{
/*
* This will flush blocked threads whether they were blocked on
* a send or receive.
*/
_Thread_queue_Flush(
&the_message_queue->Wait_queue,
remote_extract_callout,
status
);
/*
* This removes all messages from the pending message queue. Since
* we just flushed all waiting threads, we don't have to worry about
* the flush satisfying any blocked senders as a side-effect.
*/
if ( the_message_queue->number_of_pending_messages != 0 )
(void) _CORE_message_queue_Flush_support( the_message_queue );
(void) _Workspace_Free( the_message_queue->message_buffers );
}
void _CORE_mutex_Flush(
CORE_mutex_Control *the_mutex,
Thread_queue_Flush_callout remote_extract_callout,
uint32_t status
)
{
_Thread_queue_Flush(
&the_mutex->Wait_queue,
remote_extract_callout,
status
);
}
void _CORE_semaphore_Flush(
CORE_semaphore_Control *the_semaphore,
Thread_queue_Flush_callout remote_extract_callout,
uint32_t status
)
{
_Thread_queue_Flush(
&the_semaphore->Wait_queue,
remote_extract_callout,
status
);
}
void _CORE_message_queue_Flush_waiting_threads(
CORE_message_queue_Control *the_message_queue
)
{
/* XXX this is not supported for global message queues */
/*
* IF there are no pending messages,
* THEN threads may be blocked waiting to RECEIVE a message,
*
* IF the pending message queue is full
* THEN threads may be blocked waiting to SEND a message
*
* But in either case, we will return "unsatisfied nowait"
* to indicate that the blocking condition was not satisfied
* and that the blocking state was canceled.
*/
_Thread_queue_Flush(
&the_message_queue->Wait_queue,
NULL,
CORE_MESSAGE_QUEUE_STATUS_UNSATISFIED_NOWAIT
);
}
