On 10/4/05, Nico Schottelius <[email protected]> wrote:
> Coywolf Qi Hunt [Sun, Jul 10, 2005 at 01:09:22AM +0800]:
> > On 7/9/05, Nico Schottelius <[email protected]> wrote:
> > > Hello!
> > >
> > > What's the 'correct behaviour' of an init system, if someone wants
> > > to shutdown the system?
> > >
> > > I currently do:
> > >
> > > - call reboot(RB_POWER_OFF/RB_AUTOBOOT/RB_HALT_SYSTEM)
> > > - _exit(0)
> > >
> > > Is this exit() call wrong? If I do RB_HALT_SYSTEM and _exit(0) after,
> > > the kernel panics.
> >
> > What the panic shows?
>
> To be fully correct:
>
> "Kernel panic - not syncing: Attempted to kill init" (from the last time
> I tried, 2.6.13.2)
>
> Perhaps _exit(0) is not correct for an init system?
> This at least explains why it always looks like nothing is synced.
Right. init(8) should not call _exit() or exit(). Otherwise you'll get
that panic. It's OK for *another* process, reboot(8) to call reboot(2)
and then exit(). You should follow this way.
--
Coywolf Qi Hunt
http://sosdg.org/~coywolf/
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