ER rsm_tsk(
ID tskid
)
{
register Thread_Control *the_thread;
Objects_Locations location;
the_thread = _ITRON_Task_Get( tskid, &location );
switch ( location ) {
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
return _ITRON_Task_Clarify_get_id_error( tskid );
case OBJECTS_LOCAL:
if ( _Thread_Is_executing( the_thread ) )
_ITRON_return_errorno( E_OBJ );
if ( _States_Is_dormant( the_thread->current_state ))
_ITRON_return_errorno( E_OBJ );
if ( ! _States_Is_suspended(the_thread->current_state) )
_ITRON_return_errorno( E_OBJ );
_Thread_Resume( the_thread, false );
break;
}
_ITRON_return_errorno( E_OK );
}
ER rel_wai(
ID tskid
)
{
register Thread_Control *the_thread;
Objects_Locations location;
the_thread = _ITRON_Task_Get( tskid, &location );
switch ( location ) {
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
return _ITRON_Task_Clarify_get_id_error( tskid );
case OBJECTS_LOCAL:
/*
* XXX - FILL ME IN.
*/
break;
}
_ITRON_return_errorno( E_OK );
}
ER chg_pri(
ID tskid,
PRI tskpri
)
{
register Thread_Control *the_thread;
Objects_Locations location;
Priority_Control new_priority;
the_thread = _ITRON_Task_Get( tskid, &location );
switch ( location ) {
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
return _ITRON_Task_Clarify_get_id_error( tskid );
case OBJECTS_LOCAL:
if (_States_Is_dormant( the_thread->current_state ))
_ITRON_return_errorno( E_OBJ );
if (( tskpri <= 0 ) || ( tskpri >= PRIORITY_MAXIMUM-1 ))
_ITRON_return_errorno( E_PAR );
new_priority = _ITRON_Task_Priority_to_Core( tskpri );
the_thread->real_priority = new_priority;
/*
* The priority should not be changed until later if priority
* inheratance has occured.
*/
if ( the_thread->resource_count == 0 ||
the_thread->current_priority > new_priority )
_Thread_Change_priority( the_thread, new_priority, false );
break;
}
_ITRON_return_errorno( E_OK );
}
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 ) {
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
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 );
}