fl.l_start = 0;
fl.l_len = 0;
if ((fd_lock = open("/tmp/eiskaltdc.lock", O_WRONLY|O_CREAT, 0666)) < 0){
if ((fd_lock = open(QDir::homePath() + "/tmp/eiskaltdc.lock", O_WRONLY|O_CREAT, 0666)) < 0){
perror("open");
exit(1);
}