Re: rm-ing files with open file descriptors

From: Kai Henningsen (kaih@khms.westfalen.de)
Date: Sat Jan 19 2002 - 13:01:00 EST


christophe.barbe.ml@online.fr (christophe barbé) wrote on 19.01.02 in <20020119145132.GA972@online.fr>:

> On Sat, Jan 19, 2002 at 05:18:57AM +0100, Andreas Bombe wrote:
> > Whether that was an intended or accidental feature only someone with
> > more insight into Unix history can answer. It's that feature that lets
> > us do live upgrades of distributions without rebooting (executables and
> > libraries can be replaced without affecting the currently running
> > processes), at the very least much easier than it would be without this
> > behaviour.
>
> I remember that previous debian release come with a patched kernel to
> allow live upgrade. It was explained in the FAQ that the patch was
> required for this purpose.

Complete and utter bullshit. This was never true, and the FAQ never
claimed this.

> 7.2 Debian claims to be able to update a running program;
> how is this accomplished?

... under which was originally explained how running demons would be
restarted, and later it was also mentioned that replacing in-use files is
possible under Unix. Nothing more. (Google groups will happily find those
versions, they were in use from 1996 to 2001 according to the archive.)

> What was in this patch?

The patch only exists in your fantasy.

MfG Kai
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