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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup POSIX_MQUEUE Message Queues
*
* @brief Remove a Message Queue
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef 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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