m_is_fifo= S_ISFIFO(file_stat->st_mode);
m_is_symbolic_link= S_ISLNK(file_stat->st_mode);
m_is_socket= S_ISSOCK(file_stat->st_mode);
+ m_is_exec_file = m_is_regular_file && (file_stat->st_mode & (S_IXUSR | S_IXGRP | S_IXOTH));
// TODO: implement more!
} // end of FileStat::refresh()