C++ (Cpp) gdispatch_clock_update Examples

Example #1

File: main.c Project: Glenn-1990/tvheadend

static void
mainloop(void)
{
  gtimer_t *gti;
  gti_callback_t *cb;
  time_t now;
  struct timespec ts;
  const char *id;

  while (tvheadend_is_running()) {
    now = gdispatch_clock_update();
    ts.tv_sec  = now + 3600;
    ts.tv_nsec = 0;

    /* Global timers */
    pthread_mutex_lock(&global_lock);

    // TODO: there is a risk that if timers re-insert themselves to
    //       the top of the list with a 0 offset we could loop indefinitely

#if 0
    tvhdebug(LS_GTIMER, "now %"PRItime_t, ts.tv_sec);
    LIST_FOREACH(gti, &gtimers, gti_link)
      tvhdebug(LS_GTIMER, "  gti %p expire %"PRItimet, gti, gti->gti_expire.tv_sec);
#endif

    while((gti = LIST_FIRST(&gtimers)) != NULL) {

      if (gti->gti_expire > now) {
        ts.tv_sec = gti->gti_expire;
        break;
      }

#if ENABLE_GTIMER_CHECK
      id = gti->gti_id;
#else
      id = NULL;
#endif
      tprofile_start(&gtimer_profile, id);

      cb = gti->gti_callback;

      LIST_REMOVE(gti, gti_link);
      gti->gti_callback = NULL;

      cb(gti->gti_opaque);

      tprofile_finish(&gtimer_profile);
    }

    /* Wait */
    pthread_cond_timedwait(&gtimer_cond, &global_lock, &ts);
    pthread_mutex_unlock(&global_lock);
  }
}

Example #2

File: main.c Project: agitate/tvheadend

static int64_t
mdispatch_clock_update(void)
{
  int64_t mono = getmonoclock();

  if (mono > atomic_get_s64(&mtimer_periodic)) {
    atomic_set_s64(&mtimer_periodic, mono + MONOCLOCK_RESOLUTION);
    gdispatch_clock_update(); /* gclk() update */
    comet_flush(); /* Flush idle comet mailboxes */
  }

  atomic_set_s64(&__mdispatch_clock, mono);
  return mono;
}

Example #3

File: main.c Project: agitate/tvheadend

static void
mainloop(void)
{
  gtimer_t *gti;
  gti_callback_t *cb;
  time_t now;
  struct timespec ts;
#if ENABLE_GTIMER_CHECK
  int64_t mtm;
  const char *id;
  const char *fcn;
#endif

  while (tvheadend_is_running()) {
    now = gdispatch_clock_update();
    ts.tv_sec  = now + 3600;
    ts.tv_nsec = 0;

    /* Global timers */
    pthread_mutex_lock(&global_lock);

    // TODO: there is a risk that if timers re-insert themselves to
    //       the top of the list with a 0 offset we could loop indefinitely
    
#if 0
    tvhdebug("gtimer", "now %"PRItime_t, ts.tv_sec);
    LIST_FOREACH(gti, &gtimers, gti_link)
      tvhdebug("gtimer", "  gti %p expire %"PRItimet, gti, gti->gti_expire.tv_sec);
#endif

    while((gti = LIST_FIRST(&gtimers)) != NULL) {
      
      if (gti->gti_expire > now) {
        ts.tv_sec = gti->gti_expire;
        break;
      }

#if ENABLE_GTIMER_CHECK
      mtm = getmonoclock();
      id = gti->gti_id;
      fcn = gti->gti_fcn;
#endif
      cb = gti->gti_callback;

      LIST_REMOVE(gti, gti_link);
      gti->gti_callback = NULL;

      cb(gti->gti_opaque);

#if ENABLE_GTIMER_CHECK
      mtm = getmonoclock() - mtm;
      if (mtm > 10000)
        tvhtrace("gtimer", "%s:%s duration %"PRId64"us", id, fcn, mtm);
#endif
    }

    /* Wait */
    pthread_cond_timedwait(&gtimer_cond, &global_lock, &ts);
    pthread_mutex_unlock(&global_lock);
  }
}