WhenShutdown doesn't appear to be executing

[se...@oneflow.io]

Hi,

WhenStopped appears to work fine when I stop the service, but there is no evidence of either WhenShutdown or WhenStopped executing when I shutdown windows. (I am logging to event viewer and also send a request to honeycomb on both. )

Topshelf config below:

            HostFactory.Run(x =>

            {               

                x.EnableShutdown();

                x.EnableServiceRecovery(configurator =>

                {

                    configurator.RestartService(0);

                    configurator.RestartService(0);

                    configurator.RestartService(0);

                });

                x.Service<IWorkerHost>(s =>

                {

                    s.ConstructUsing(name => container.Resolve<IWorkerHost>());

                    s.WhenStarted(workerHost =>

                    {

                        if (onStart != null) onStart();

                        workerHost.Start();

                    });

                    s.WhenStopped(workerHost =>

                    {

                        workerHost.Stop();

                        if (onStop != null) onStop();

                    });

                    s.WhenShutdown(workerHost =>

                    {

                        workerHost.Shutdown();

                        if (onStop != null) onStop();

                    });

                });

                x.RunAsLocalSystem();

                x.SetStartTimeout(new TimeSpan(0, 0, 2, 0));

                x.SetDescription(String.Format("{0} ({1})", assemblyName, environment));

                x.SetDisplayName(String.Format("{0} ({1})", assemblyName, environment));

                x.SetServiceName(String.Format("{0}_{1}", assemblyName.Replace(".", ""), environment));

            });

I have tried on multiple machines, both windows 10 and server 2016 and am using the latest version of topshelf (v4).

Am I missing something obvious ?

Thanks,

Seán