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https://gitlab.rtems.org/rtems/rtos/rtems.git
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100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/*
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* COPYRIGHT (c) 1989-1999.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <itron.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/userext.h>
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#include <rtems/score/wkspace.h>
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#include <rtems/score/apiext.h>
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#include <rtems/score/sysstate.h>
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#include <rtems/itron/task.h>
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/*
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* ref_tsk - Reference Task Status
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*/
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ER ref_tsk(
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T_RTSK *pk_rtsk,
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ID tskid
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)
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{
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register Thread_Control *the_thread;
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Objects_Locations location;
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Priority_Control core_priority;
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if (!pk_rtsk)
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return E_PAR;
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the_thread = _ITRON_Task_Get( tskid, &location );
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switch ( location ) {
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case OBJECTS_REMOTE:
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case OBJECTS_ERROR:
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return _ITRON_Task_Clarify_get_id_error( tskid );
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case OBJECTS_LOCAL:
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if ( location != OBJECTS_LOCAL )
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return _ITRON_Task_Clarify_get_id_error( tskid );
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/*
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* The following are extended functions [level X ].
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* XXX - tskwait, wid, wupcnt, and tskatr are presently not implemented.
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*/
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pk_rtsk->tskwait = 0;
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pk_rtsk->wid = 0;
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pk_rtsk->wupcnt = 0;
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pk_rtsk->suscnt = the_thread->suspend_count;
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pk_rtsk->tskatr = 0; /* XXX - Not correctly implemented */
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pk_rtsk->task = (FP) the_thread->Start.entry_point;
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core_priority = the_thread->Start.initial_priority;
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pk_rtsk->itskpri = _ITRON_Task_Core_to_Priority( core_priority );
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pk_rtsk->stksz = the_thread->Start.Initial_stack.size;
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/*
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* The following are required.
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*/
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pk_rtsk->exinf = NULL; /* extended information */
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pk_rtsk->tskpri =
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_ITRON_Task_Core_to_Priority(the_thread->current_priority);
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/*
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* Mask in the tskstat information
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* Convert the task state XXX double check this
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*/
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pk_rtsk->tskstat = 0;
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if ( the_thread == _Thread_Executing )
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pk_rtsk->tskstat |= TTS_RUN;
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if ( _States_Is_ready(the_thread->current_state) )
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pk_rtsk->tskstat |= TTS_RDY;
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if ( _States_Is_dormant( the_thread->current_state) )
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pk_rtsk->tskstat |= TTS_DMT;
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if ( _States_Is_suspended(the_thread->current_state) )
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pk_rtsk->tskstat |= TTS_SUS;
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if ( _States_Is_blocked(the_thread->current_state) )
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pk_rtsk->tskstat |= TTS_WAI;
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break;
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}
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_ITRON_return_errorno( E_OK );
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}
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