my ($url, $current_depth, $file) = @_;
    my ($obj_spider, $html, @links, $link, $tid);

    $obj_spider = Spider::Easyspider->new($config);
    $html =  $obj_spider->http_get($url);
    @links = $obj_spider->get_links($html);
    
    open(LINKS, ">>$file") or die "&CLIENT_get_links_threads: Cannot open $file to add links: $!\n";
    flock(LINKS,LOCK_EX);
    foreach $link (@links) {
        print LINKS "$current_depth $link\n";
    }
    close LINKS or warn "&CLIENT_get_links_threads: Cannot close $file: $!\n";
    flock(LINKS,LOCK_UN);
    
    # speicher freigeben
    undef $obj_spider;
    undef @links;
    undef $html;
    return 1;

} # sub CLIENT_get_links_threads {}