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/**
* @file
*
* @brief rtems_message_queue_send
* @ingroup ClassicMessageQueue Message Queues
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/messageimpl.h>
rtems_status_code rtems_message_queue_send(
rtems_id id,
const void *buffer,
size_t size
)
{
Message_queue_Control *the_message_queue;
Thread_queue_Context queue_context;
CORE_message_queue_Status status;
if ( buffer == NULL ) {
return RTEMS_INVALID_ADDRESS;
}
the_message_queue = _Message_queue_Get(
id,
&queue_context,
_Message_queue_Core_message_queue_mp_support
);
if ( the_message_queue == NULL ) {
#if defined(RTEMS_MULTIPROCESSING)
return _Message_queue_MP_Send( id, buffer, size );
#else
return RTEMS_INVALID_ID;
#endif
}
_CORE_message_queue_Acquire_critical(
&the_message_queue->message_queue,
&queue_context
);
status = _CORE_message_queue_Send(
&the_message_queue->message_queue,
buffer,
size,
false, /* sender does not block */
0, /* no timeout */
&queue_context
);
/*
* Since this API does not allow for blocking sends, we can directly
* return the returned status.
*/
return _Message_queue_Translate_core_message_queue_return_code( status );
}
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