/* message.inl
*
* This include file contains the static inline implementation of all
* inlined routines in the Message Manager.
*
* COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
* On-Line Applications Research Corporation (OAR).
* All rights assigned to U.S. Government, 1994.
*
* This material may be reproduced by or for the U.S. Government pursuant
* to the copyright license under the clause at DFARS 252.227-7013. This
* notice must appear in all copies of this file and its derivatives.
*
* $Id$
*/
#ifndef __MESSAGE_QUEUE_inl
#define __MESSAGE_QUEUE_inl
#include <rtems/wkspace.h>
/*PAGE
*
* _Message_queue_Copy_buffer
*
*/
STATIC INLINE void _Message_queue_Copy_buffer (
void *source,
void *destination,
unsigned32 size
)
{
memcpy(destination, source, size);
}
/*PAGE
*
* _Message_queue_Allocate_message_buffer
*
*/
STATIC INLINE Message_queue_Buffer_control *
_Message_queue_Allocate_message_buffer (
Message_queue_Control *the_message_queue
)
{
return (Message_queue_Buffer_control *)
_Chain_Get( &the_message_queue->Inactive_messages );
}
/*PAGE
*
* _Message_queue_Free_message_buffer
*
*/
STATIC INLINE void _Message_queue_Free_message_buffer (
Message_queue_Control *the_message_queue,
Message_queue_Buffer_control *the_message
)
{
_Chain_Append( &the_message_queue->Inactive_messages, &the_message->Node );
}
/*PAGE
*
* _Message_queue_Get_pending_message
*
*/
STATIC INLINE
Message_queue_Buffer_control *_Message_queue_Get_pending_message (
Message_queue_Control *the_message_queue
)
{
return (Message_queue_Buffer_control *)
_Chain_Get_unprotected( &the_message_queue->Pending_messages );
}
/*PAGE
*
* _Message_queue_Append
*
*/
STATIC INLINE void _Message_queue_Append (
Message_queue_Control *the_message_queue,
Message_queue_Buffer_control *the_message
)
{
_Chain_Append( &the_message_queue->Pending_messages, &the_message->Node );
}
/*PAGE
*
* _Message_queue_Prepend
*
*/
STATIC INLINE void _Message_queue_Prepend (
Message_queue_Control *the_message_queue,
Message_queue_Buffer_control *the_message
)
{
_Chain_Prepend(
&the_message_queue->Pending_messages,
&the_message->Node
);
}
/*PAGE
*
* _Message_queue_Is_null
*
*/
STATIC INLINE boolean _Message_queue_Is_null (
Message_queue_Control *the_message_queue
)
{
return ( the_message_queue == NULL );
}
/*PAGE
*
* _Message_queue_Free
*
*/
STATIC INLINE void _Message_queue_Free (
Message_queue_Control *the_message_queue
)
{
if (the_message_queue->message_buffers)
{
_Workspace_Free((void *) the_message_queue->message_buffers);
the_message_queue->message_buffers = 0;
}
_Objects_Free( &_Message_queue_Information, &the_message_queue->Object );
}
/*PAGE
*
* _Message_queue_Get
*
*/
STATIC INLINE Message_queue_Control *_Message_queue_Get (
Objects_Id id,
Objects_Locations *location
)
{
return (Message_queue_Control *)
_Objects_Get( &_Message_queue_Information, id, location );
}
#endif
/* end of include file */
