}


    void ensureOpen ( int timeout ) throws IOException {
        this.closeTimeout = 0;
        if ( this.transportContext.getConfig().getNetbiosSoTimeout() != 0 ) {
            this.closeTimeout = Math.max(this.transportContext.getConfig().getNetbiosSoTimeout(), timeout);
        }
        // If socket is still good, the new closeTimeout will
        // be ignored; see tryClose comment.