Microsoft.Iot.IotCoreAppDeployment.WebbHelper.EnterWebBCall C# (CSharp) Method

        private void EnterWebBCall(out CancellationToken? cts)
        {
            lock (_tokenLock)
            {
                Debug.WriteLine("Starting WebB call...");

                // If there is a active REST call, cancel it
                // InvalidateToken() is not blocking, so it is possible
                // that the next WebB call will be blocked for a while
                // in GetResponseAsync() if there are more than two concurrent connections
                // to a device, however it shouldn't take long to unblock since the previous
                // connections are being aborted.
                if (_tokenSource != null)
                {
                    InvalidateToken();
                }

                _tokenSource = new CancellationTokenSource();
                cts = _tokenSource.Token;

            }
        }