return Fchownat(_AT_FDCWD, path, uid, gid, 0)
}

func Creat(path string, mode uint32) (fd int, err error) {
	return Open(path, O_CREAT|O_WRONLY|O_TRUNC, mode)
}

func EpollCreate(size int) (fd int, err error) {
	if size <= 0 {
		return -1, EINVAL
	}
	return EpollCreate1(0)
}

func isGroupMember(gid int) bool {
	groups, err := Getgroups()
	if err != nil {
		return false