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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>
/*
* ref_tsk - Reference Task Status
*/
ER ref_tsk(
T_RTSK *pk_rtsk,
ID tskid
)
{
register Thread_Control *the_thread;
Objects_Locations location;
Priority_Control core_priority;
if (!pk_rtsk)
return E_PAR;
the_thread = _ITRON_Task_Get( tskid, &location );
switch ( location ) {
case OBJECTS_REMOTE:
case OBJECTS_ERROR:
return _ITRON_Task_Clarify_get_id_error( tskid );
case OBJECTS_LOCAL:
if ( location != OBJECTS_LOCAL )
return _ITRON_Task_Clarify_get_id_error( tskid );
/*
* The following are extended functions [level X ].
* XXX - tskwait, wid, wupcnt, and tskatr are presently not implemented.
*/
pk_rtsk->tskwait = 0;
pk_rtsk->wid = 0;
pk_rtsk->wupcnt = 0;
pk_rtsk->suscnt = the_thread->suspend_count;
pk_rtsk->tskatr = 0; /* XXX - Not correctly implemented */
pk_rtsk->task = (FP) the_thread->Start.entry_point;
core_priority = the_thread->Start.initial_priority;
pk_rtsk->itskpri = _ITRON_Task_Core_to_Priority( core_priority );
pk_rtsk->stksz = the_thread->Start.Initial_stack.size;
/*
* The following are required.
*/
pk_rtsk->exinf = NULL; /* extended information */
pk_rtsk->tskpri =
_ITRON_Task_Core_to_Priority(the_thread->current_priority);
/*
* Mask in the tskstat information
* Convert the task state XXX double check this
*/
pk_rtsk->tskstat = 0;
if ( the_thread == _Thread_Executing )
pk_rtsk->tskstat |= TTS_RUN;
if ( _States_Is_ready(the_thread->current_state) )
pk_rtsk->tskstat |= TTS_RDY;
if ( _States_Is_dormant( the_thread->current_state) )
pk_rtsk->tskstat |= TTS_DMT;
if ( _States_Is_suspended(the_thread->current_state) )
pk_rtsk->tskstat |= TTS_SUS;
if ( _States_Is_blocked(the_thread->current_state) )
pk_rtsk->tskstat |= TTS_WAI;
break;
}
_ITRON_return_errorno( E_OK );
}
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