public boolean wait_timeout(IRubyObject o, Double timeout) throws InterruptedException {
if (timeout != null) {
long delay_ns = (long) (timeout.doubleValue() * 1000000000.0);
long start_ns = System.nanoTime();
if (delay_ns > 0) {
long delay_ms = delay_ns / 1000000;
int delay_ns_remainder = (int) (delay_ns % 1000000);
executeBlockingTask(new SleepTask(o, delay_ms, delay_ns_remainder));
}
long end_ns = System.nanoTime();
return (end_ns - start_ns) <= delay_ns;
} else {
executeBlockingTask(new SleepTask(o, 0, 0));
return true;
}
}
