cap_fd_set(&rs, &max_fd, &timeout, &use_timeout);
http_fd_set(&rs, &ws, &max_fd, &timeout, &use_timeout);
select_ret = select(max_fd+1, &rs, &ws, NULL,
(use_timeout) ? &timeout : NULL);
cap_fd_set(&rs, &max_fd, &timeout, &use_timeout);
http_fd_set(&rs, &ws, &max_fd, &timeout, &use_timeout);
select_ret = select(max_fd+1, &rs, &ws, NULL,
(use_timeout) ? &timeout : NULL);