// finished connecting
                        return null;
                    }
                    // failure to connect
                    throw new SmbException("Tree disconnected while waiting for connection");
                }
                else if ( before == 2 ) {
                    // concurrently connected
                    return null;
                }

                }
                catch ( InterruptedIOException ioe ) {
                    if ( log.isTraceEnabled() ) {
                        log.trace("Timeout waiting for response " + name.name, ioe);
                    }
                    throw new UnknownHostException(name.name);
                }
                catch ( IOException ioe ) {