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/**
* @file
*
* @brief Remove a Message Queue
* @ingroup POSIX_MQUEUE Message Queues
*/
/*
* COPYRIGHT (c) 1989-2014.
* 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.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/posix/mqueueimpl.h>
/*
* 15.2.2 Remove a Message Queue, P1003.1b-1993, p. 276
*/
int mq_unlink(
const char *name
)
{
POSIX_Message_queue_Control *the_mq;
Objects_Get_by_name_error error;
Thread_queue_Context queue_context;
_Objects_Allocator_lock();
the_mq = _POSIX_Message_queue_Get_by_name( name, NULL, &error );
if ( the_mq == NULL ) {
_Objects_Allocator_unlock();
rtems_set_errno_and_return_minus_one( _POSIX_Get_by_name_error( error ) );
}
_POSIX_Message_queue_Namespace_remove( the_mq );
_CORE_message_queue_Acquire( &the_mq->Message_queue, &queue_context );
the_mq->linked = false;
_POSIX_Message_queue_Delete( the_mq, &queue_context );
_Objects_Allocator_unlock();
return 0;
}
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