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/*
* Partition Manager
*
*
* COPYRIGHT (c) 1989-2007.
* 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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/score/address.h>
#include <rtems/score/object.h>
#include <rtems/rtems/part.h>
#include <rtems/score/thread.h>
#include <rtems/score/sysstate.h>
/*
* rtems_partition_return_buffer
*
* This directive will return the given buffer to the specified
* buffer partition.
*
* Input parameters:
* id - partition id
* buffer - pointer to buffer address
*
* Output parameters:
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_partition_return_buffer(
rtems_id id,
void *buffer
)
{
register Partition_Control *the_partition;
Objects_Locations location;
the_partition = _Partition_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( _Partition_Is_buffer_valid( buffer, the_partition ) ) {
_Partition_Free_buffer( the_partition, buffer );
the_partition->number_of_used_blocks -= 1;
_Objects_Put( &the_partition->Object );
return RTEMS_SUCCESSFUL;
}
_Objects_Put( &the_partition->Object );
return RTEMS_INVALID_ADDRESS;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
return _Partition_MP_Send_request_packet(
PARTITION_MP_RETURN_BUFFER_REQUEST,
id,
buffer
);
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
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