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/**
* @file
*
* @brief Remove a Message Queue
* @ingroup POSIX_MQUEUE Message Queues
*/
/*
* COPYRIGHT (c) 1989-2007.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdarg.h>
#include <pthread.h>
#include <limits.h>
#include <errno.h>
#include <fcntl.h>
#include <mqueue.h>
#include <rtems/system.h>
#include <rtems/score/watchdog.h>
#include <rtems/score/wkspace.h>
#include <rtems/seterr.h>
#include <rtems/posix/mqueueimpl.h>
#include <rtems/posix/time.h>
/*
* 15.2.2 Remove a Message Queue, P1003.1b-1993, p. 276
*/
int mq_unlink(
const char *name
)
{
int status;
register POSIX_Message_queue_Control *the_mq;
Objects_Id the_mq_id;
size_t name_len;
_Thread_Disable_dispatch();
status = _POSIX_Message_queue_Name_to_id( name, &the_mq_id, &name_len );
if ( status != 0 ) {
_Thread_Enable_dispatch();
rtems_set_errno_and_return_minus_one( status );
}
the_mq = (POSIX_Message_queue_Control *) _Objects_Get_local_object(
&_POSIX_Message_queue_Information,
_Objects_Get_index( the_mq_id )
);
the_mq->linked = false;
_POSIX_Message_queue_Namespace_remove( the_mq );
_POSIX_Message_queue_Delete( the_mq );
_Thread_Enable_dispatch();
return 0;
}
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