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/*

 *  Extension Manager -- rtems_extension_delete

 *

 *

 *  COPYRIGHT (c) 1989-2002.

 *  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.OARcorp.com/rtems/license.html.

 *

 *  extensiondelete.c,v 1.1 2002/03/15 14:32:22 joel Exp

 */

#include <rtems/system.h>

#include <rtems/rtems/support.h>

#include <rtems/score/object.h>

#include <rtems/score/thread.h>

#include <rtems/extension.h>

/*PAGE

 *

 *  rtems_extension_delete

 *

 *  This directive allows a thread to delete a extension.

 *

 *  Input parameters:

 *    id - extension id

 *

 *  Output parameters:

 *    RTEMS_SUCCESSFUL - if successful

 *    error code - if unsuccessful

 */

rtems_status_code rtems_extension_delete(

  Objects_Id id

)

{

  Extension_Control   *the_extension;

  Objects_Locations    location;

  the_extension = _Extension_Get( id, &location );

  switch ( location ) {

    case OBJECTS_ERROR:

    case OBJECTS_REMOTE:            /* should never return this */

      return RTEMS_INVALID_ID;

    case OBJECTS_LOCAL:

      _User_extensions_Remove_set( &the_extension->Extension );

      _Objects_Close( &_Extension_Information, &the_extension->Object );

      _Extension_Free( the_extension );

      _Thread_Enable_dispatch();

      return RTEMS_SUCCESSFUL;

  }

  return RTEMS_INTERNAL_ERROR;   /* unreached - only to remove warnings */

}