const runtime.sigIdle

7 uses

	runtime (current package)
		sigqueue.go#L63: 	sigIdle = iota
		sigqueue.go#L103: 		case sigIdle:
		sigqueue.go#L104: 			if sig.state.CompareAndSwap(sigIdle, sigSending) {
		sigqueue.go#L111: 			if sig.state.CompareAndSwap(sigReceiving, sigIdle) {
		sigqueue.go#L146: 			case sigIdle:
		sigqueue.go#L147: 				if sig.state.CompareAndSwap(sigIdle, sigReceiving) {
		sigqueue.go#L157: 				if sig.state.CompareAndSwap(sigSending, sigIdle) {