On Fri, Dec 18, 2020 at 10:29 AM Sinan Kaya <okaya@kernel.org> wrote:

> On 12/17/2020 5:54 PM, Khem Raj wrote:
> > +if [ ! -p "$INITCTL" ] && [ "$(readlink -- "/sbin/init")" =
> "/sbin/init.sysvinit" ]; then
>
> Can this be done at build time for targets using sysvinit only?
>

Yes however It will be lot more obscure
Hard to read and harder to maintain

>
> > +    # Create new control channel
> > +             rm -f "$INITCTL"
> > +             mknod -m 600 "$INITCTL" p
> > +
> > +             # Reopen control channel.
> > +             PID="$(pidof -s /sbin/init || echo 1)"
> > +             [ -n "$PID" ] && kill -s USR1 "$PID"
> >  fi
> > -kill -USR1 1
>
>