*/
    @Override
    public void connect () throws IOException {
        try ( SmbTreeHandle th = ensureTreeConnected() ) {}
    }


    /**
     * 
     * @return a tree handle
     * @throws CIFSException
     */
    public SmbTreeHandle getTreeHandle () throws CIFSException {
        return ensureTreeConnected();
    }


    /**
     * {@inheritDoc}
     *

        if( isOpen() ) {
            return;
        }
        fid = open0( flags, access, attrs, options );
        opened = true;
        tree_num = tree.tree_num;
    }
    boolean isOpen() {
        boolean ans = opened && isConnected() && tree_num == tree.tree_num;
        return ans;
    }
    void close( int f, long lastWriteTime ) throws SmbException {

        if( log.level >= 3 )