}
    }

    int getNextNameTrnId() {
        if(( ++nextNameTrnId & 0xFFFF ) == 0 ) {
            nextNameTrnId = 1;
        }
        return nextNameTrnId;
    }
    void ensureOpen( int timeout ) throws IOException {
        closeTimeout = 0;
        if( SO_TIMEOUT != 0 ) {
            closeTimeout = Math.max( SO_TIMEOUT, timeout );
        }