public static CleanupManagerController GetController()
{
CleanupManagerController controller = new CleanupManagerController();
if (Interlocked.CompareExchange <CleanupManagerController>(ref CleanupManager.controller, controller, null) != null)
{
controller.Dispose();
throw new InvalidOperationException("The controller has already been retrieved");
}
return(controller);
}
internal static void NotifyControllerDisposed(CleanupManagerController disposedController)
{
Interlocked.CompareExchange <CleanupManagerController>(ref controller, null, disposedController);
}