int dim_set_scheduler_class

(

int

pclass

)

Definition at line 255 of file dim_thr.c.

References ALRM_thread, IO_thread, and MAIN_thread.

Referenced by dim_signal_cond().

{
#ifdef __linux__
        int ret, prio, p;
        struct sched_param param;

        if(pclass == 0)
        {
                pclass = SCHED_OTHER;
        }
        else if(pclass == 1)
        {
                pclass = SCHED_FIFO;
        }
        else if(pclass == 2)
        {
                pclass = SCHED_RR;
        }
        prio = sched_get_priority_min(pclass);
        ret = pthread_getschedparam(MAIN_thread, &p, &param);
        if( (p == SCHED_OTHER) || (pclass == SCHED_OTHER) )
                param.sched_priority = prio;
        ret = pthread_setschedparam(MAIN_thread, pclass, &param);   
        if(ret)
          return 0;
        ret = pthread_getschedparam(IO_thread, &p, &param);   
        if( (p == SCHED_OTHER) || (pclass == SCHED_OTHER) )
                param.sched_priority = prio;
        ret = pthread_setschedparam(IO_thread, pclass, &param);   
        if(ret)
          return 0;
        ret = pthread_getschedparam(ALRM_thread, &p, &param);   
        if( (p == SCHED_OTHER) || (pclass == SCHED_OTHER) )
                param.sched_priority = prio;
        ret = pthread_setschedparam(ALRM_thread, pclass, &param);   
        if(!ret)
          return 1;
#endif
        return 0;
}

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