Method wake

src/latch.rs:280–284

(self: Arc<Self>)

            // (meaning the state is no longer set to ASLEEP) then this will
            // return immediately.
            //
            // If the state is still ASLEEP, then the next call to `wake` will
            // register that and call `wake_on`.
            //
            // Either way, there is no way we can fail to receive a `wake`.
            atomic_wait::wait(&self.state, ASLEEP);
            // Clear the sleeping bit for this worker.
            waiting_bitmask.fetch_and(!seat_mask, Ordering::Relaxed);