Re: [Libevent-users] How to make a eventloop similiar to select() with a timeout of 1sec

[Nick Mathewson <nickm@xxxxxxxxxxxxx>]

On Mon, Jun 24, 2013 at 9:36 AM, åéé <sunyucong@xxxxxxxxx> wrote:
> Thanks for the reply. but without EV_LOOPONCE , how could i make it not
> always wait the whole 1 sec?

"Instead, I'd suggest making a one-second timer event with a callback
 that uses event_base_loopexit(g_event_base, NULL) to exit the event
loop."

Something like this:

void exit_after_one_second(evutil_socket_t fd, short events, void *arg)
{
  event_base_loopexit(arg, NULL);
}

int run_for_one_second(struct event_base *base)
{
  int r;
  struct event *ev;
  struct timeval one_second = {1,0};

  ev = evtimer_new(base, exit_after_one_second, base);
  event_add(ev, &one_second);
  r = event_base_dispatch(base);
  event_free(ev);
  return r;
}
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