score/src/coremsgclose.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSScoreMessageQueue
0007  *
0008  * @brief This source file contains the implementation of
0009  *   _CORE_message_queue_Close().
0010  */
0011
0012 /*
0013  *  COPYRIGHT (c) 1989-1999.
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/score/coremsgimpl.h>
0043
0044 static Thread_Control *_CORE_message_queue_Was_deleted(
0045   Thread_Control       *the_thread,
0046   Thread_queue_Queue   *queue,
0047   Thread_queue_Context *queue_context
0048 )
0049 {
0050   the_thread->Wait.return_code = STATUS_MESSAGE_QUEUE_WAS_DELETED;
0051
0052   return the_thread;
0053 }
0054
0055 void _CORE_message_queue_Close(
0056   CORE_message_queue_Control *the_message_queue,
0057   Thread_queue_Context       *queue_context
0058 )
0059 {
0060
0061   /*
0062    *  This will flush blocked threads whether they were blocked on
0063    *  a send or receive.
0064    */
0065
0066   _Thread_queue_Flush_critical(
0067     &the_message_queue->Wait_queue.Queue,
0068     the_message_queue->operations,
0069     _CORE_message_queue_Was_deleted,
0070     queue_context
0071   );
0072
0073   ( *the_message_queue->free_message_buffers )(
0074     the_message_queue->message_buffers
0075   );
0076
0077   _Thread_queue_Destroy( &the_message_queue->Wait_queue );
0078 }