Might be good for a bootdisk scenario in some ways as FINNIX does. However outside that, I would have only speculation for a real time system. Still intriguing to say the least.
> Date: Fri, 1 Aug 2014 10:20:10 +0000
> From: pape_at_smarden.org
> To: supervision_at_list.skarnet.org
> Subject: Re: [PATCH] Implement stage 4 (execve handoff)
>
> On Tue, Jul 29, 2014 at 12:01:36PM -0700, Ryan Finnie wrote:
> > This patch adds stage 4, an optional stage which is run after stage 3.
> > If /etc/runit/4 is found and executable, runit will execve() into it,
> > giving it control of PID 1. Finnix (http://www.finnix.org/) uses runit
> > as its init system, and uses this patch as a way to pivot root back into
> > a ramdisk upon shutdown, so it may cleanly umount the union mount which
> > houses runit.
>
> Hi Ryan, I'm not sure how interesting this is for general use. It's
> the first time I hear about the need for a stage 4.
>
> And actually I wouldn't call it so, because runit no longer runs but got
> replaced. Finally, when considering an updated version, documentation
> is missing ;).
>
> Regards, Gerrit.
Received on Fri Aug 01 2014 - 23:12:12 UTC