ares_process.c

   * network sockets unless STAYOPEN is set.
   */
  if (!channel->queries && !(channel->flags & ARES_FLAG_STAYOPEN))
    {
      for (i = 0; i < channel->nservers; i++)
        ares__close_sockets(channel, &channel->servers[i]);
    }
  return (next);
}