GNU bug report logs - #12366
[gnu-prog-discuss] Writing unwritable files

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Package: coreutils;

Reported by: Paolo Bonzini <bonzini <at> gnu.org>

Date: Thu, 6 Sep 2012 12:14:01 UTC

Severity: normal

Done: Jim Meyering <meyering <at> hx.meyering.net>

Bug is archived. No further changes may be made.

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From: Paolo Bonzini <bonzini <at> gnu.org>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 12366 <at> debbugs.gnu.org, gnu-prog-discuss <at> gnu.org, John Darrington <john <at> darrington.wattle.id.au>
Subject: bug#12366: [gnu-prog-discuss] Writing unwritable files
Date: Thu, 06 Sep 2012 18:38:46 +0200

Il 06/09/2012 18:35, Paul Eggert ha scritto:
>> > A program that reads the target file will never
>> > be able to observe an intermediate result. 
> Sure, but that doesn't fix the race condition I
> mentioned.  If some other process is writing F
> while I run 'sed -i F', F is not replaced atomically.

How not so?

Paolo

> That's true even if the other process is another
> instance of 'sed'.
This bug report was last modified 12 years and 232 days ago.

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