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/*
* 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.
*
* $Id$
*/
#include <itron.h>
#include <rtems/score/thread.h>
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/apiext.h>
#include <rtems/score/sysstate.h>
#include <rtems/itron/task.h>
/*
* rot_rdq - Rotate Tasks on the Ready Queue
*/
ER rot_rdq(
PRI tskpri
)
{
PRI priority;
if (( tskpri <= 0 ) || ( tskpri >= 256 ))
return E_PAR;
_Thread_Disable_dispatch();
/*
* Yield of processor will rotate the queue for this processor.
*/
priority = _ITRON_Task_Core_to_Priority(_Thread_Executing->current_priority);
if ( priority == tskpri )
_Thread_Yield_processor();
else {
_Thread_Rotate_Ready_Queue( _ITRON_Task_Core_to_Priority( tskpri ) );
}
_Thread_Enable_dispatch();
return E_OK;
}
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