INFTIM
deltams = INFTIM;
n = poll(&rfds, 1, INFTIM);
if ((nfds = poll(pfd, 1, INFTIM)) == -1)
timeout = INFTIM;
if (uap->timeout != INFTIM) {
timeout->tv_nsec / 1000 / 1000) : INFTIM)) < 0) {
ret = poll(poll_fds, nr_poll_fds, INFTIM);