protected function refresh_info()
    {

        $this->pid   = (int)getmypid();
        $this->gid   = (int)getmygid();
        $this->inode = (int)getmyinode();
        $this->uid   = (int)getmyuid();
        $this->user  = (string)get_current_user();
        $this->uname = posix_uname();

        return true;
    }