Erlang.NET.OtpNode.close C# (CSharp) Method

        public void close()
        {
            lock (this)
            {
                acceptor.quit();

                mboxes.clear();

                lock (connections)
                {
                    OtpCookedConnection[] conns = new OtpCookedConnection[connections.Count];
                    int i = 0;
                    foreach (OtpCookedConnection conn in connections.Values)
                    {
                        conns[i++] = conn;
                    }
                    connections.Clear();
                    foreach (OtpCookedConnection conn in conns)
                    {
                        conn.close();
                    }
                    initDone = false;
                }
            }
        }

 public static void Main(string[] args)
 {
     OtpNode pingNode = new OtpNode("ping");
     OtpNode pongNode = new OtpNode("pong");
     bool ok = pingNode.ping("pong", 10000);
     pingNode.close();
     pongNode.close();
     Environment.Exit(ok ? 0 : 1);
 }