Method time_until

crates/stdlib/src/socket.rs:3386–3391

(&self)

            }
        }
        fn time_until(&self) -> Result<Duration, IoOrPyException> {
            self.deadline
                .checked_duration_since(Instant::now())
                // past the deadline already
                .ok_or(IoOrPyException::Timeout)
        }
    }

    static DEFAULT_TIMEOUT: AtomicCell<f64> = AtomicCell::new(-1.0);