private void Runner()
{
CancellationTokenSource?.Dispose();
CancellationTokenSource = new CancellationTokenSource();
CancellationToken = CancellationTokenSource.Token;
MessageDataItem message = null;
while (true)
{
if (SpinWait.SpinUntil(() => AttachedQueue.TryTake(out message), 1))
{
ProcessMessage(message);
// assume there are more messages
// NB! No need to test CancellationToken in this loop, because it's a kind of attempt to drain the queue. If not achieved in-time,
// will be terminated forcibly.
while (AttachedQueue.TryTake(out message))
{
ProcessMessage(message);
}
}
// no messages left
if (CancellationToken.IsCancellationRequested)
{
break;
}
}
// All done, but let's drain the queue -- if anything left it will never be completed
while (AttachedQueue.Count > 0)
{
Thread.Sleep(5);
}
WorkCompleted.Set();
}