System.Net.WebSockets.WebSocketBase.OnBackgroundTaskException C# (CSharp) Метод

        private void OnBackgroundTaskException(Exception exception)
        {
            if (Interlocked.CompareExchange<Exception>(ref _pendingException, exception, null) == null)
            {
                if (NetEventSource.IsEnabled)
                {
                    NetEventSource.Error(this, exception.ToString());
                }
                Abort();
            }
        }