_PATH_UTX_ACTIVE
file = _PATH_UTX_ACTIVE;
fp = futx_open(_PATH_UTX_ACTIVE);
fd = _open(_PATH_UTX_ACTIVE, O_CREAT|O_RDWR|O_TRUNC, 0644);
truncate(_PATH_UTX_ACTIVE, 0);
fp = futx_open(_PATH_UTX_ACTIVE);