Subversion Repositories openrisc

/*

 *  Thread Handler

 *

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: threadget.c,v 1.2 2001-09-27 11:59:34 chris Exp $

 */

#include <rtems/system.h>

#include <rtems/score/apiext.h>

#include <rtems/score/context.h>

#include <rtems/score/interr.h>

#include <rtems/score/isr.h>

#include <rtems/score/object.h>

#include <rtems/score/priority.h>

#include <rtems/score/states.h>

#include <rtems/score/sysstate.h>

#include <rtems/score/thread.h>

#include <rtems/score/threadq.h>

#include <rtems/score/userext.h>

#include <rtems/score/wkspace.h>

/*PAGE

 *

 *  _Thread_Get

 *

 *  NOTE:  If we are not using static inlines, this must be a real

 *         subroutine call.

 *

 *  NOTE:  XXX... This routine may be able to be optimized.

 */

#ifndef USE_INLINES

Thread_Control *_Thread_Get (

  Objects_Id           id,

  Objects_Locations   *location

)

{

  Objects_Classes      the_class;

  Objects_Information *information;

  if ( _Objects_Are_ids_equal( id, OBJECTS_ID_OF_SELF ) ) {

    _Thread_Disable_dispatch();

    *location = OBJECTS_LOCAL;

    return( _Thread_Executing );

  }

  the_class = _Objects_Get_class( id );

  if ( the_class > OBJECTS_CLASSES_LAST ) {

    *location = OBJECTS_ERROR;

    return (Thread_Control *) 0;

  }

  information = _Objects_Information_table[ the_class ];

  if ( !information || !information->is_thread ) {

    *location = OBJECTS_ERROR;

    return (Thread_Control *) 0;

  }

  return (Thread_Control *) _Objects_Get( information, id, location );

}

#endif