do
  {
    ret = recvfrom(m_fd, buffer, size, 0, &from, (WX_SOCKLEN_T *) &fromlen);
  } while (ret == -1 && errno == EINTR); /* Loop until not interrupted */

  if (ret == -1)
    return -1;

  struct sockaddr_in* temp = (struct sockaddr_in*)&from;
  assert(temp->sin_port);