wait_for_option (struct nbd_handle *h)
{
  while (nbd_internal_is_state_connecting (get_next_state (h))) {
    if (nbd_unlocked_poll (h, -1) == -1)
      return -1;
  }

  return 0;
}
wait_for_option (struct nbd_handle *h)
{
  while (nbd_internal_is_state_connecting (get_next_state (h))) {
    if (nbd_unlocked_poll (h, -1) == -1)
      return -1;
  }

  return 0;
}