var runtime.enableSigChan

4 uses

	runtime (current package)
		signal_unix.go#L94: 	enableSigChan   chan uint32
		signal_unix.go#L201: 		enableSigChan <- sig
		signal_unix.go#L955: 	enableSigChan = make(chan uint32)
		signal_unix.go#L974: 			case sig := <-enableSigChan:

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)