Welcome to the Lounge

SeattleC++ wrote:

It's very geeky to give a technical answer when somebody's trying to be funny. Sigh.

musefan wrote:

Also, I wonder what source you would use to automatically translate "computer image" into "screenshot"?

pkfox wrote:

You would probably like this one 1,4,1,4 (1,4,1,4)

// from https://blogs.msdn.microsoft.com/pfxteam/2011/12/15/awaiting-socket-operations/
		internal sealed class SocketAwaitable : INotifyCompletion
		{
			private readonly static Action _sentinel = () => { };

			internal bool _wasCompleted;
			internal Action _continuation;
			internal SocketAsyncEventArgs _eventArgs;

			public SocketAwaitable(SocketAsyncEventArgs eventArgs)
			{
				if (null==eventArgs) throw new ArgumentNullException("eventArgs");
				_eventArgs = eventArgs;
				eventArgs.Completed += delegate
				{
					var prev = _continuation ?? Interlocked.CompareExchange(
						ref _continuation, _sentinel, null);
					if (prev != null) prev();
				};
			}

			internal void Reset()
			{
				_wasCompleted = false;
				_continuation = null;
			}

			public SocketAwaitable GetAwaiter() { return this; }

			public bool IsCompleted { get { return _wasCompleted; } }

			public void OnCompleted(Action continuation)
			{
				if (_continuation == _sentinel ||
					Interlocked.CompareExchange(
						ref _continuation, continuation, null) == _sentinel)
				{
					Task.Run(continuation);
				}
			}

			public void GetResult()
			{
				if (_eventArgs.SocketError != SocketError.Success)
					throw new SocketException((int)_eventArgs.SocketError);
			}
		}