rtems/src/msgqdelete.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassicMessage
0007  *
0008  * @brief This source file contains the implementation of
0009  *   rtems_message_queue_delete().
0010  */
0011
0012 /*
0013  *  COPYRIGHT (c) 1989-2014.
0014  *  On-Line Applications Research Corporation (OAR).
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0035  * POSSIBILITY OF SUCH DAMAGE.
0036  */
0037
0038 #ifdef HAVE_CONFIG_H
0039 #include "config.h"
0040 #endif
0041
0042 #include <rtems/rtems/messageimpl.h>
0043 #include <rtems/rtems/attrimpl.h>
0044
0045 rtems_status_code rtems_message_queue_delete(
0046   rtems_id id
0047 )
0048 {
0049   Message_queue_Control *the_message_queue;
0050   Thread_queue_Context   queue_context;
0051
0052   _Objects_Allocator_lock();
0053   the_message_queue = _Message_queue_Get( id, &queue_context );
0054
0055   if ( the_message_queue == NULL ) {
0056     _Objects_Allocator_unlock();
0057
0058 #if defined(RTEMS_MULTIPROCESSING)
0059     if ( _Message_queue_MP_Is_remote( id ) ) {
0060       return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
0061     }
0062 #endif
0063
0064     return RTEMS_INVALID_ID;
0065   }
0066
0067   _CORE_message_queue_Acquire_critical(
0068     &the_message_queue->message_queue,
0069     &queue_context
0070   );
0071
0072   _Objects_Close( &_Message_queue_Information, &the_message_queue->Object );
0073
0074   _Thread_queue_Context_set_MP_callout(
0075     &queue_context,
0076     _Message_queue_MP_Send_object_was_deleted
0077   );
0078   _CORE_message_queue_Close(
0079     &the_message_queue->message_queue,
0080     &queue_context
0081   );
0082
0083 #if defined(RTEMS_MULTIPROCESSING)
0084   if ( the_message_queue->is_global ) {
0085     _Objects_MP_Close(
0086       &_Message_queue_Information,
0087       the_message_queue->Object.id
0088     );
0089
0090     _Message_queue_MP_Send_process_packet(
0091       MESSAGE_QUEUE_MP_ANNOUNCE_DELETE,
0092       the_message_queue->Object.id,
0093       0,                         /* Not used */
0094       0
0095     );
0096   }
0097 #endif
0098
0099   _Message_queue_Free( the_message_queue );
0100   _Objects_Allocator_unlock();
0101   return RTEMS_SUCCESSFUL;
0102 }