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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSImplClassicMessage
*
* @brief This source file contains the implementation of
* rtems_message_queue_urgent().
*/
/*
* 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/rtems/messageimpl.h>
#include <rtems/rtems/statusimpl.h>
rtems_status_code rtems_message_queue_urgent(
rtems_id id,
const void *buffer,
size_t size
)
{
Message_queue_Control *the_message_queue;
Thread_queue_Context queue_context;
Status_Control status;
if ( buffer == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
the_message_queue = _Message_queue_Get( id, &queue_context );
if ( the_message_queue == NULL ) {
#if defined(RTEMS_MULTIPROCESSING)
return _Message_queue_MP_Urgent( id, buffer, size );
#else
return RTEMS_INVALID_ID;
#endif
}
_CORE_message_queue_Acquire_critical(
&the_message_queue->message_queue,
&queue_context
);
_Thread_queue_Context_set_MP_callout(
&queue_context,
_Message_queue_Core_message_queue_mp_support
);
status = _CORE_message_queue_Urgent(
&the_message_queue->message_queue,
buffer,
size,
false, /* sender does not block */
&queue_context
);
return _Status_Get( status );
}
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