[LTP] [PATCH 6/6] controllers: Expand cgroup_lib shell library

[Li Wang]

> > +cgroup_cleanup()
> > +{
> > +       [ "$_cgroup_state" = "" ] && return 0
> ?> +
> > +       tst_cgctl cleanup "$_cgroup_state"
>
> I don't understand what exactly the $_cgroup_state do here,
> isn't that just 0 or 1 which returned by 'tst_cgctl require "$ctrl" $$' ?

Ah, I got it, that comes from a string printed by tst_cgroup_print_config.
(Sorry I was read these codes from top to down.)

-- 
Regards,
Li Wang