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 );
}
示例#2
0
文件: rel_wai.c 项目: epicsdeb/rtems
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 );
}
示例#4
0
文件: ref_tsk.c 项目: epicsdeb/rtems
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 );

}