AWSSDK_DotNet.IntegrationTests.Tests.Servlet.IsBusy C# (CSharp) Method

        private static bool IsBusy(int port)
        {
            Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
                ProtocolType.Tcp);
            try
            {
                socket.SetSocketOption(SocketOptionLevel.Socket,
                    SocketOptionName.ExclusiveAddressUse, true);
                socket.Bind(new IPEndPoint(IPAddress.Any, port));
                socket.Listen(5);
                return false;
            }
            catch { return true; }
            finally { if (socket != null) socket.Close(); }
        }