예제 #1
0
파일: eina_sched.c 프로젝트: Limsik/e17
EAPI void
eina_sched_prio_drop(void)
{
#ifdef EFL_HAVE_POSIX_THREADS
   struct sched_param param;
   int pol, prio, ret;
   pthread_t pthread_id;

   pthread_id = pthread_self();
   ret = pthread_getschedparam(pthread_id, &pol, &param);
   if (ret)
     {
        EINA_LOG_ERR("Unable to query sched parameters");
        return;
     }

   if (EINA_UNLIKELY(pol == SCHED_RR || pol == SCHED_FIFO))
     {
        param.sched_priority -= RTNICENESS;

        /* We don't change the policy */
        if (param.sched_priority < 1)
          {
             EINA_LOG_INFO("RT prio < 1, setting to 1 instead");
             param.sched_priority = 1;
          }

        pthread_setschedparam(pthread_id, pol, &param);
     }
# ifdef __linux__
   else
     {
        errno = 0;
        prio = getpriority(PRIO_PROCESS, 0);
        if (errno == 0)
          {
             prio += NICENESS;
             if (prio > 19)
               {
                  EINA_LOG_INFO("Max niceness reached; keeping max (19)");
                  prio = 19;
               }

             setpriority(PRIO_PROCESS, 0, prio);
          }
     }
# endif
#elif defined EFL_HAVE_WIN32_THREADS
   if (!SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_BELOW_NORMAL))
     EINA_LOG_ERR("Can not set thread priority");
#else
   EINA_LOG_ERR("Eina does not have support for threads enabled"
                "or it doesn't support setting scheduler priorities");
#endif
}
예제 #2
0
파일: eina_sched.c 프로젝트: tasn/efl
EAPI void
eina_sched_prio_drop(void)
{
   struct sched_param param;
   int pol, ret;
   pthread_t pthread_id;

   pthread_id = pthread_self();
   ret = pthread_getschedparam(pthread_id, &pol, &param);
   if (ret)
     {
        EINA_LOG_ERR("Unable to query sched parameters");
        return;
     }

   if (EINA_UNLIKELY(pol == SCHED_RR || pol == SCHED_FIFO))
     {
        param.sched_priority -= RTNICENESS;

        /* We don't change the policy */
        if (param.sched_priority < 1)
          {
             EINA_LOG_INFO("RT prio < 1, setting to 1 instead");
             param.sched_priority = 1;
          }

        pthread_setschedparam(pthread_id, pol, &param);
     }
# ifdef __linux__
   else
     {
        int prio;
        errno = 0;
        prio = getpriority(PRIO_PROCESS, 0);
        if (errno == 0)
          {
             prio += NICENESS;
             if (prio > 19)
               {
                  EINA_LOG_INFO("Max niceness reached; keeping max (19)");
                  prio = 19;
               }

             setpriority(PRIO_PROCESS, 0, prio);
          }
     }
# endif
}