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Re: Locking design (was Re: svn commit: r9885 - trunk/notes)

From: Ben Collins-Sussman <sussman_at_collab.net>
Date: 2004-05-26 21:03:47 CEST

On Wed, 2004-05-26 at 13:59, Travis P wrote:

> Are you imagining a file move to have some sort of atomic guarantee?

Absolutely. Our working copy library depends on this technique all the

> Even if /tmp and the repos are both on local storage, if they are on
> separate volumes (a common case)

If the lock-table is just a file, we create 'locktable.UUID.tmp' and
then move it to 'locktable'. It's a rename within the same directory.

You're misunderstanding my phrase "tmpfile". I didn't mean "something
in /tmp". :-)

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Received on Wed May 26 21:07:38 2004

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