rtems/src/msgqcreate.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_create().
0010  */
0011
0012 /*
0013  * Copyright (C) 2020 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifdef HAVE_CONFIG_H
0038 #include "config.h"
0039 #endif
0040
0041 #include <rtems/rtems/messageimpl.h>
0042 #include <rtems/score/coremsgimpl.h>
0043
0044 #include <string.h>
0045
0046 rtems_status_code rtems_message_queue_create(
0047   rtems_name       name,
0048   uint32_t         count,
0049   size_t           max_message_size,
0050   rtems_attribute  attribute_set,
0051   rtems_id        *id
0052 )
0053 {
0054   rtems_message_queue_config config;
0055
0056   memset( &config, 0, sizeof( config ) );
0057   config.name = name;
0058   config.maximum_pending_messages = count;
0059   config.maximum_message_size = max_message_size;
0060   config.attributes = attribute_set;
0061
0062   return _Message_queue_Create(
0063     &config,
0064     id,
0065     _CORE_message_queue_Workspace_allocate
0066   );
0067 }