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copied!<p><s>Well, you have a period of time between when you accept a connection and when the connection is "made" before you can accept another connection. Using things like wait handles is probably fairly slow.</s></p> <p>After re-reading your code, conceptually the point at which you can accept another connection is when you've called <code>EndAccept</code>. It appears that you're setting the event before you call <code>EndAccept</code> which means <code>BeginAccept</code> can be called before the <code>EndAccept</code> and that another connection can be accepted before the previous had <code>EndAccept</code> called. I don't know if that's an issue--as far as I can tell, that's legal. But, you can simplify your code to avoid the events and simply chain the next BeginAccept during the current accept and ensure <code>EndAccept</code> is called before the next <code>BeginAccept</code><s></p> <p>What I do is chain the next accept from within the current accept. </s>For example:</p> <pre><code>listener = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); listener.Bind(new IPEndPoint(IPAddress.Any, 62000)); listener.Listen(1000); listener.BeginAccept(OnAccept, listener); private void OnAccept(IAsyncResult ar) { Socket listener = (Socket)ar.AsyncState; Socket socket = listener.EndAccept(ar); listener.BeginAccept(OnAccept, listener); socket.BeginReceive(new byte[10], 0, 10, 0, (arReceive) => socket.EndReceive(arReceive), null); } </code></pre> <p>of course, i'm using <code>BeginAcceptSocket</code> here; but the concept would be the same with <code>BeginAccept</code>...</p> <p>This frees you from having to start a new <code>Task</code>, frees from creating wait handles which are about 50-times slower that <code>lock</code> because they are cross-process<s>--which frees you from having a "huge" pause between accepts</s>.</p>

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