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/**
* @file
*
* @brief Insert a Message into the Message Queue
* @ingroup ScoreMessageQueue
*/
/*
* COPYRIGHT (c) 1989-2005.
* 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/score/coremsgimpl.h>
#if defined(RTEMS_SCORE_COREMSG_ENABLE_MESSAGE_PRIORITY)
static bool _CORE_message_queue_Order(
const void *left,
const Chain_Node *right
)
{
const int *left_priority;
const CORE_message_queue_Buffer_control *right_message;
left_priority = (const int *) left;
right_message = (const CORE_message_queue_Buffer_control *) right;
return *left_priority <
_CORE_message_queue_Get_message_priority( right_message );
}
#endif
void _CORE_message_queue_Insert_message(
CORE_message_queue_Control *the_message_queue,
CORE_message_queue_Buffer_control *the_message,
const void *content_source,
size_t content_size,
CORE_message_queue_Submit_types submit_type
)
{
Chain_Control *pending_messages;
the_message->Contents.size = content_size;
_CORE_message_queue_Copy_buffer(
content_source,
the_message->Contents.buffer,
content_size
);
#if defined(RTEMS_SCORE_COREMSG_ENABLE_MESSAGE_PRIORITY)
the_message->priority = submit_type;
#endif
pending_messages = &the_message_queue->Pending_messages;
++the_message_queue->number_of_pending_messages;
if ( submit_type == CORE_MESSAGE_QUEUE_SEND_REQUEST ) {
_Chain_Append_unprotected( pending_messages, &the_message->Node );
#if defined(RTEMS_SCORE_COREMSG_ENABLE_MESSAGE_PRIORITY)
} else if ( submit_type != CORE_MESSAGE_QUEUE_URGENT_REQUEST ) {
int priority;
priority = _CORE_message_queue_Get_message_priority( the_message );
_Chain_Insert_ordered_unprotected(
pending_messages,
&the_message->Node,
&priority,
_CORE_message_queue_Order
);
#endif
} else {
_Chain_Prepend_unprotected( pending_messages, &the_message->Node );
}
}
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