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Re: Init : someone could comment this ?



On Jan 6, 2008 2:31 PM, Nils Philippsen <nphilipp redhat com> wrote:
> On Sun, 2008-01-06 at 17:48 +0100, Ralf Corsepius wrote:
> > On Sun, 2008-01-06 at 10:44 -0500, Yaakov Nemoy wrote:
> > >  and almost always putting at least some code in shared
> > > memory space, asking for Python in particular is not unreasonable.
> > I could not disagree more - To me any init-script system requiring
> > anything outside of what POSIX requires is a mis-conception and flawed
> > design.
>
> How is that? I guess if we looked hard enough then we'd find that even
> today we use things outside of POSIX to get the machine going, things
> which we can't do without.
>
> Just because something is an established standard, it's not necessarily
> sufficient: One of the problems we have with SysV style init scripts are
> the numerous forks and execs which are costly. I don't see how we could
> solve that problem while using shell (or other tools included in POSIX).
> Granted, we could source the init scripts from one master script to
> avoid that, but then we'd be quicker in a cesspool of clashing global
> variables or one badly written script killing the whole boot process
> than we'd want to imagine. If I'm just being unimaginative, I'd be
> interested in how this problem can be solved while limiting oneself to
> what POSIX offers.

Thanks, you said it far better than I could have :)

-Yaakov


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