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Re: Nasty double-replace copy-on-update bug

From: David Glasser <glasser_at_davidglasser.net>
Date: 2007-10-19 18:48:44 CEST

On 10/19/07, Philip Martin <philip@codematters.co.uk> wrote:
> "David Glasser" <glasser@davidglasser.net> writes:
>
> > On 10/19/07, Philip Martin <philip@codematters.co.uk> wrote:
> >>
> >> Without a write lock some other Subversion process could change or
> >> delete the file in the interval between the decision to use a file and
> >> the moment it gets used.
> >
> > Huh. When is it ever safe to not take the write lock, then?
>
> When doing a read-only operation such as status.

OK, so what matters is the overall user-level (svn_wc-level?)
operation, not the particular purpose that the adm_access is being
grabbed for? (Because here, the baton is being grabbed just for
reading; a different, locked baton is used to write...)

--dave

-- 
David Glasser | glasser_at_davidglasser.net | http://www.davidglasser.net/
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Received on Fri Oct 19 18:49:06 2007

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