const runtime.sigReceiving

5 uses

	runtime (current package)
		sigqueue.go#L64: 	sigReceiving
		sigqueue.go#L110: 		case sigReceiving:
		sigqueue.go#L111: 			if atomic.Cas(&sig.state, sigReceiving, sigIdle) {
		sigqueue.go#L146: 				if atomic.Cas(&sig.state, sigIdle, sigReceiving) {
		sigqueue.go#L190: 	for atomic.Load(&sig.state) != sigReceiving {