}
	printf("}\n\n");

	printf("\n\n// Signal table\n");
	printf("var signalList = [...]struct {\n");
	printf("\tnum  syscall.Signal\n");
	printf("\tname string\n");
	printf("\tdesc string\n");
	printf("} {\n");
	qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
	for(i=0; i<nelem(signals); i++) {
		e = signals[i].num;
		if(i > 0 && signals[i-1].num == e)
			continue;

			exit(stopProcess())
		case osSignal := <-globalOSSignalCh:
			logger.Info("Exiting on signal: %s", strings.ToUpper(osSignal.String()))
			daemon.SdNotify(false, daemon.SdNotifyStopping)
			exit(stopProcess())
		case signal := <-globalServiceSignalCh:
			switch signal {
			case serviceRestart:
				logger.Info("Restarting on service signal")
				daemon.SdNotify(false, daemon.SdNotifyReloading)
				stop := stopProcess()

	// an asynchronous process.
	signals.AfterShutdownDelayDuration = wrapLifecycleSignal(t, signals.AfterShutdownDelayDuration, before, nil)
	signals.PreShutdownHooksStopped = wrapLifecycleSignal(t, signals.PreShutdownHooksStopped, before, nil)
	signals.NotAcceptingNewRequest = wrapLifecycleSignal(t, signals.NotAcceptingNewRequest, before, nil)
	signals.HTTPServerStoppedListening = wrapLifecycleSignal(t, signals.HTTPServerStoppedListening, before, nil)

		flags = sigtable[sig].flags
	}

	// If the signal is ignored, raising the signal is no-op.
	if handler == _SIG_IGN || (handler == _SIG_DFL && flags&_SigIgn != 0) {
		return
	}

	// Reset the signal handler and raise the signal.
	// We are currently running inside a signal handler, so the
	// signal is blocked. We need to unblock it before raising the
	// signal, or the signal we raise will be ignored until we return

asynchronous signal, a Go signal handler will be installed for that
signal. If, later, Reset is called for that signal, the original
handling for that signal will be reinstalled, restoring the non-Go
signal handler if any.

Go code built without -buildmode=c-archive or -buildmode=c-shared will
install a signal handler for the asynchronous signals listed above,
and save any existing signal handler. If a signal is delivered to a

		defer notAcceptingNewRequestCh.Signal()

		// wait for the delayed stopCh before closing the handler chain
		<-delayedStopCh.Signaled()

		// Additionally wait for preshutdown hooks to also be finished, as some of them need
		// to send API calls to clean up after themselves (e.g. lease reconcilers removing
		// itself from the active servers).
		<-preShutdownHooksHasStoppedCh.Signaled()
	}()

    }

    def "client receives signal when lock is released"() {
        def signaled = new AtomicBoolean()

        when:
        int port = handler.reservePort()
        handler.start(10) { signal ->
            signal.trigger()
        }

        client.reservePort()
        client.start(11) {}
        client.maybePingOwner(port, 10, "lock 1", 50000) {
            signaled.set(true)
        }

        then:

			res = "exit status " + itoa.Uitox(uint(code))
		} else { // unix systems use small decimal integers
			res = "exit status " + itoa.Itoa(code) // unix
		}
	case status.Signaled():
		res = "signal: " + status.Signal().String()
	case status.Stopped():
		res = "stop signal: " + status.StopSignal().String()
		if status.StopSignal() == syscall.SIGTRAP && status.TrapCause() != 0 {
			res += " (trap " + itoa.Itoa(status.TrapCause()) + ")"
		}

	signal.Notify(c, os.Interrupt)
	defer signal.Stop(c)

	p := &os.Process{Pid: os.Getpid()}
	if err := p.Signal(os.Interrupt); err != nil {
		t.Fatalf("Signal got err %v, want nil", err)
	}

	// Verify we actually received the signal.
	select {
	case <-time.After(1 * time.Second):
		t.Error("timeout waiting for signal")
	case <-c:
		// Good
	}
}

func TestProcessReleaseTwice(t *testing.T) {

// the thread using an OS mechanism (e.g., signals) and inspecting its
// state to determine if the goroutine was at an asynchronous
// safe-point. Since the thread suspension itself is generally
// asynchronous, it also checks if the running goroutine wants to be
// preempted, since this could have changed. If all conditions are
// satisfied, it adjusts the signal context to make it look like the