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SubjectRe: showstopper race condition in sync() ??? [2.1.119|120]
In article <Pine.GSO.4.02A.9809151159520.9352-100000@aaricia>,
Cyrille Chepelov <> wrote:
> On Tue, 15 Sep 1998, Stephen C. Tweedie wrote:
> > Because _this_ file is the one which is occupying the problematic
> > sectors, I imagine. One thing you could do is to rename the password
> > file and then copy it back, so that you are now using a different area
> > of the disk.
> "strace passwd" shows that passwd copies /etc/passwd into /etc/passwd-,
> builds a new file /etc/passwd+, rm's /etc/passwd, then renames
> /etc/passwd+ to /etc/passwd

Why does it unlink /etc/passwd instead of doing an atomic rename(2) to
replace it?
Shields, CrossLink.

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