fn try_sleep()

in nfm-controller/src/utils/event_timer.rs [94:112]

• 16 lines of code
• 4 McCabe index (conditional complexity)

    fn try_sleep(&mut self, until_us: u64, mut now_us: u64) -> Result<(), String> {
        let mut span = Duration::from_micros(until_us - now_us);
        debug!("Waiting {span:?} until the next event...");

        while until_us > now_us {
            let sleep_fragment_us = (until_us - now_us).min(1_000_000);
            span = Duration::from_micros(sleep_fragment_us);
            self.clock.sleep(span);

            now_us += sleep_fragment_us;
            if let Some(exit_flag) = &self.exit_flag {
                if exit_flag.load(AtomicOrd::Relaxed) {
                    return Err("should exit".to_string());
                }
            }
        }

        Ok(())
    }