const runtime.sigSending

5 uses

	runtime (current package)
		sigqueue.go#L65: 	sigSending
		sigqueue.go#L105: 			if atomic.Cas(&sig.state, sigIdle, sigSending) {
		sigqueue.go#L108: 		case sigSending:
		sigqueue.go#L181: 			case sigSending:
		sigqueue.go#L182: 				if atomic.Cas(&sig.state, sigSending, sigIdle) {