MAX_DELAY
if ($2 < MIN_DELAY || $2 > MAX_DELAY) {
MIN_DELAY, MAX_DELAY);
if ($2 < MIN_DELAY || $2 > MAX_DELAY) {
MIN_DELAY, MAX_DELAY);
int delay = MAX_DELAY, ret;
r = poll(pfd, 1, 1000 * MAX_DELAY / MAX_QUERIES);