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RE: RE: Cancelling Subversion operations

From: Bill Tutt <rassilon_at_lyra.org>
Date: 2002-09-18 23:35:40 CEST

> From: Jon Watte [mailto:svn-dev-0209@mindcontrol.org]
> > Bill has raised a valid point, a single callback/baton is OK as a
> > simple async-signal handling mechanism, but as a general
> > mechanism it's a poor solution.
> It seems that any threaded implementation can just use thread-local
> storage of one for or another for its per-running-operation needs.
> Thus I think the interface as specified is sufficiently powerful.
> This is assuming that the same THREAD will only run one SVN operation
> at a time, which seems reasonable.
> The logical extension if you wanted more expressive power is for SVN
> to use thread-local storage to store the user context, but that seems
> rather more effort than it's worth.

If memory serves, thread-local storage isn't nearly as efficient as you
might think on all OSs. It certainly is very efficient on Windows.


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Received on Wed Sep 18 23:36:14 2002

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