C++ (Cpp) _ITRON_Task_Core_to_Priority Examples

Example #1

File: rot_rdq.c Project: FullMentalPanic/RTEMS_NEW_TOOL_CHAIN

ER rot_rdq(
    PRI tskpri
)
{
    PRI priority;


    if (( tskpri <= 0 ) || ( tskpri >= PRIORITY_MAXIMUM-1 ))
        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;
}

Example #2

File: ref_tsk.c Project: 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 );

}