public IDisposable Subscribe(IObserver <GCInfo> observer)
{
lock (syncObject)
{
if (!triedToStartSource)
{
try
{
gcEventsSource.Start();
}
catch (Exception ex)
{
sourceStartError = ex;
}
triedToStartSource = true;
}
}
if (sourceStartError != null)
{
ThreadPool.QueueUserWorkItem(
state => observer.OnError((Exception)state),
sourceStartError);
}
return(observers.Subscribe(observer));
}
private (IObserver <int>, IDisposable) SetupObserver(IObserverCollection <int> collection)
{
var observer = Substitute.For <IObserver <int> >();
var handle = collection.Subscribe(observer);
return(observer, handle);
}
