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/*
* Dual Port Memory 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.
*
* $Id$
*/
#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/rtems/dpmem.h>
#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/rtems/dpmem.h>
/*
* rtems_port_delete
*
* This directive allows a thread to delete a dual-ported memory area
* specified by the dual-ported memory identifier.
*
* Input parameters:
* id - dual-ported memory area id
*
* Output parameters:
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_port_delete(
rtems_id id
)
{
register Dual_ported_memory_Control *the_port;
Objects_Locations location;
the_port = _Dual_ported_memory_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
_Objects_Close( &_Dual_ported_memory_Information, &the_port->Object );
_Dual_ported_memory_Free( the_port );
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* this error cannot be returned */
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
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