Re: [sysvinit-devel] Could not determine runlevel

[Matias Fonzo]

On Wed, 13 Jun 2018 16:44:27 -0300
Jesse Smith <address@hidden> wrote:

> On 06/13/2018 04:08 PM, Matias Fonzo wrote:
> >
> > That explain why it can't determine the runlevel.  The file exists,
> > but it is a limitation of the libc, in our case (Dragora -devel), we
> > are using Musl.  See
> > https://wiki.musl-libc.org/faq.html#Q:-Why-is-the-utmp/wtmp-functionality-only-implemented-as-stubs?
> >   
> 
> This is interesting. We may have to look into a way for the shutdown
> process to get runlevels without using utmp. Perhaps init could write
> the runlevel directly to a file, such as /var/run/runlevel to work
> around situations like this.
> 

According to init(8):

[..]

ENVIRONMENT
Init sets the following environment variables for all its children:

RUNLEVEL
       The current system runlevel.
[..]

Probably there is no need to write/read such file...

> 
> >> Alternatively, you can try using the "shutdown" command in place of
> >> "halt". Running "shutdown -P -h now" is approximately the
> >> equivalent of using "halt".  
> > The command used was 'reboot'.
> >  
> 
> If I'm not mistaken, the reboot command is just a link to the halt
> binary. So I'd still like to find out if using shutdown will work
> where halt/reboot fail.
> 
> 
>