public void Run(IBackgroundTaskInstance taskInstance)
{
SignalFileLoggerProvider.ForceAddBGLog(LibUtils.GetBGStartMessage());
SignalLogging.SetupLogging(false);
Deferral = taskInstance.GetDeferral();
ToastNotifier = ToastNotificationManager.CreateToastNotifier();
taskInstance.Canceled += OnCanceled;
bool locked = LibUtils.Lock(5000);
Logger.LogTrace("Locking global finished, locked = {0}", locked);
if (!locked)
{
Logger.LogWarning("App is running, background task shutting down");
Deferral.Complete();
return;
}
GlobalResetEvent = LibUtils.OpenResetEventUnset();
Task.Run(() =>
{
GlobalResetEvent.WaitOne();
Logger.LogInformation("Background task received app startup signal");
ResetEvent.Set();
});
try
{
Handle = SignalHelper.CreateSignalLibHandle(true);
Handle.SignalMessageEvent += Handle_SignalMessageEvent;
Handle.BackgroundAcquire();
ResetEvent.WaitOne();
}
catch (Exception e)
{
Logger.LogError("Background task failed: {0}\n{1}", e.Message, e.StackTrace);
}
finally
{
Logger.LogInformation("Background task shutting down");
Handle.BackgroundRelease();
LibUtils.Unlock();
Deferral.Complete();
}
}