// signals no longer need to be diverted to the context.
func NotifyContext(parent context.Context, signals ...os.Signal) (ctx context.Context, stop context.CancelFunc) {
	ctx, cancel := context.WithCancel(parent)
	c := &signalCtx{
		Context: ctx,
		cancel:  cancel,
		signals: signals,
	}
	c.ch = make(chan os.Signal, 1)
	Notify(c.ch, c.signals...)
	if ctx.Err() == nil {
		go func() {

			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()

}

// A Signal is a number describing a process signal.
// It implements the [os.Signal] interface.
type Signal int

const (
	_ Signal = iota
	SIGCHLD
	SIGINT
	SIGKILL
	SIGTRAP
	SIGQUIT
	SIGTERM
)

func (s Signal) Signal() {}

func (s Signal) String() string {
	if 0 <= s && int(s) < len(signals) {
		str := signals[s]
		if str != "" {
			return str
		}

		}
	}
}

// signalWaitUntilIdle waits until the signal delivery mechanism is idle.
// This is used to ensure that we do not drop a signal notification due
// to a race between disabling a signal and receiving a signal.
// This assumes that signal delivery has already been disabled for
// the signal(s) in question, and here we are just waiting to make sure
// that all the signals have been delivered to the user channels

    }

    public static <T extends Signal> ExponentialBackoff<T> of(int amount, TimeUnit unit, T signal) {
        return new ExponentialBackoff<T>((int) TimeUnit.MILLISECONDS.convert(amount, unit), signal, SLOT_TIME);
    }

    public static ExponentialBackoff<Signal> of(int amount, TimeUnit unit, int slotTime, TimeUnit slotTimeUnit) {

    }

    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) {

		t.Fatal("Timed out waiting for listeningTestProbe to be called")
	}
}

func TestSignals(t *testing.T) {
	c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGUSR1)
	server := startAndWaitForServer(t)
	defer server.Close()
	reloadURL := fmt.Sprintf("http://%v/signalj/SIGUSR1", server.Address())
	resp, err := http.DefaultClient.Post(reloadURL, "text/plain", nil)
	if err != nil {
		t.Fatalf("Run: %v", err)
	}

		exit(1)
	}

	if pthread_attr_setdetachstate(&attr, _PTHREAD_CREATE_DETACHED) != 0 {
		writeErrStr(failthreadcreate)
		exit(1)
	}

	// Disable signals during create, so that the new thread starts
	// with signals disabled. It will enable them in minit.
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	var ret int32
	for tries := 0; tries < 20; tries++ {