RETRY_DELAY
if (monosec() + RETRY_DELAY < t2) {
init_timer(&dlp->dl_t1, RETRY_DELAY);
if (monosec() + RETRY_DELAY < expiremax) {
init_timer(&dlp->dl_t2, RETRY_DELAY);
(void) sleep(RETRY_DELAY);
(void) poll(NULL, 0, RETRY_DELAY);
(void) poll(NULL, 0, RETRY_DELAY);
(void) poll(NULL, 0, RETRY_DELAY);
(void) poll(NULL, 0, RETRY_DELAY);
(void) poll(NULL, 0, RETRY_DELAY);
(void) poll(NULL, 0, RETRY_DELAY);