Method Notify

signal/safe_signal.go:23–27

Notify alerts any goroutines waiting on this signal that the event has occurred. After the first call to Notify(), future calls are no-op.

()

// Notify alerts any goroutines waiting on this signal that the event has occurred.
// After the first call to Notify(), future calls are no-op.
func (s *Signal) Notify() {
	s.once.Do(func() {
		close(s.ch)
	})
}

// Wait returns a channel which will be written to when Notify() is called for the first time.
// This channel will never be written to a second time.