Method dispatch_event_external

src/msg/async/Event.cc:508–523

}

void EventCenter::dispatch_event_external(EventCallbackRef e)
{
  uint64_t num = 0;
  {
    std::lock_guard lock{external_lock};
    if (external_num_events > 0 && *external_events.rbegin() == e) {
      return;
    }
    external_events.push_back(e);
    num = ++external_num_events;
  }
  if (num == 1 && !in_thread())
    wakeup();

  ldout(cct, 30) << __func__ << " " << e << " pending " << num << dendl;
}