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From"David Schwartz" <>
SubjectRE: Why wrapping PIDs is evil [was 32bit]
DateSun, 16 Jan 2000 16:29:00 -0800
> "David Schwartz" <davids@webmaster.com> said:
>
> [...]
>
> > The point here is not that it's possible to do unsafe things but
> > that it's impossible to do safe things. A person or program
> > that wants to
> > kill a particular process has, in principle, no way to do it
> > without fear
> > of killing innocent processes.

> Right. Iff you manage to wrap pids around in a jiffy, and you have the
> right to kill the new process. Not exactly probable in the
> current state of
> things, is it.

The process may have been running for a long time. The PIDs may have
already wrapped around.

> I agree with you (and Pavel) in an abstract sense, but this has absolutely
> no practical impact AFAIKS.

I wouldn't go so far as to say "absolutely no practical impact", but I
would say virtually no practical impact. :)

DS


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