rc = select(fd + 1, (SELECT_ARG2_TYPE *)&select_inset, NULL, NULL, &tv);
/* If some interrupt arrived, just retry. We presume this to be rare,
rc = select(fd + 1, (SELECT_ARG2_TYPE *)&select_inset, NULL, NULL, &tv);
/* If some interrupt arrived, just retry. We presume this to be rare,