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/*

 *  RTEMS Task Manager

 *

 *

 *  COPYRIGHT (c) 1989-1999.

 *  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.

 *

 *  $Id: taskwakeafter.c,v 1.2 2001-09-27 11:59:19 chris Exp $

 */

#include <rtems/system.h>

#include <rtems/rtems/status.h>

#include <rtems/rtems/support.h>

#include <rtems/rtems/modes.h>

#include <rtems/score/object.h>

#include <rtems/score/stack.h>

#include <rtems/score/states.h>

#include <rtems/rtems/tasks.h>

#include <rtems/score/thread.h>

#include <rtems/score/threadq.h>

#include <rtems/score/tod.h>

#include <rtems/score/userext.h>

#include <rtems/score/wkspace.h>

#include <rtems/score/apiext.h>

#include <rtems/score/sysstate.h>

/*PAGE

 *

 *  rtems_task_wake_after

 *

 *  This directive suspends the requesting thread for the given amount

 *  of ticks.

 *

 *  Input parameters:

 *    ticks - number of ticks to wait

 *

 *  Output parameters:

 *    RTEMS_SUCCESSFUL - always successful

 */

rtems_status_code rtems_task_wake_after(

  rtems_interval ticks

)

{

  _Thread_Disable_dispatch();

    if ( ticks == 0 ) {

      _Thread_Yield_processor();

    } else {

      _Thread_Set_state( _Thread_Executing, STATES_DELAYING );

      _Watchdog_Initialize(

        &_Thread_Executing->Timer,

        _Thread_Delay_ended,

        _Thread_Executing->Object.id,

        NULL

      );

      _Watchdog_Insert_ticks( &_Thread_Executing->Timer, ticks );

    }

  _Thread_Enable_dispatch();

  return RTEMS_SUCCESSFUL;

}