Vinay:

No, I haven't tried this in multi-threaded applications.  You're correct
that this would require locks around the global data.

--Bill

On Thu, Mar 10, 2011 at 3:16 AM, Vinay Sajip <report@bugs.python.org> wrote:

>
> Vinay Sajip <vinay_sajip@yahoo.co.uk> added the comment:
>
> Bill,
>
> I was looking at this patch again, and I'm not sure about thread safety.
> The correctness of the caching depends on manager.status, which is state
> which is potentially shared across threads. There are no interlocks around
> it, so with the patch as it stands, ISTM it's possible in a multi-threaded
> application to get stale information. Has your patch been used in
> multi-threaded applications?
>
> ----------
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> <http://bugs.python.org/issue11369>
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