Microsoft.AspNet.SignalR.Client.Transports.LongPollingTransport.StartPolling C# (CSharp) Method

        internal void StartPolling(IConnection connection, string connectionData)
        {
            if (Interlocked.Exchange(ref _running, 1) == 0)
            {
                // reconnectInvoker is created new on each poll
                _reconnectInvoker = new ThreadSafeInvoker();

                Poll(connection, connectionData);
            }
        }