} finally {
                synchronized( sem ) {
                    sem.count--;
                    sem.notify();
                }
            }
        }
    }

    static NbtAddress lookupServerOrWorkgroup( String name, InetAddress svr )
                                                    throws UnknownHostException {
        Sem sem = new Sem( 2 );
        int type = NbtAddress.isWINS( svr ) ? 0x1b : 0x1d;

        Sem sem = new Sem(2);
        int type = isWINS(svr) ? 0x1b : 0x1d;

        QueryThread q1x = new QueryThread(sem, name, type, null, svr, this.transportContext);
        QueryThread q20 = new QueryThread(sem, name, 0x20, null, svr, this.transportContext);
        q1x.setDaemon(true);
        q20.setDaemon(true);
        try {
            synchronized ( sem ) {
                q1x.start();