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RE: RE: Cancelling Subversion operations

From: Bill Tutt <rassilon_at_lyra.org>
Date: 2002-09-19 01:36:34 CEST

> From: Jon Watte [mailto:svn-dev-0209@mindcontrol.org]
>
> > > 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.
>
> The three implementations I know of are:
>
> Mask the stack pointer to get at it -- used by Windows I think.
>

Windows uses a separate x86 segment to reference the data. It's a simple
indexed pointer load.

FYI,
Bill

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Received on Thu Sep 19 01:37:07 2002

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