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Showing content from https://mail.python.org/pipermail/python-dev/2004-March/043598.html below:

[Python-Dev] Last chance!

[Python-Dev] Last chance!Guido van Rossum guido at python.org
Sun Mar 28 05:05:55 EST 2004
[Christian]
> >>since I didn't get *any* reply to this request,
> >>either the request was bad or there is really
> >>nobody using f_tstate in a way that makes it
> >>urgent to keep.
> >>I will wait a few hours and then make the change
> >>to Stackless, and I'd like to propose to do the
> >>same to the Python core.

[Guido]
> > I saved the message, but haven't had the time yet to think things
> > through.
> > 
> > I *did* notice at least one case where using f_tstate might actually
> > be a mistake: theoretically it's possible that two or more threads
> > alternate calling next() on a generator (if they wrap it in a critical
> > section); AFAICT the f_tstate is never updated.

[Christian]
> I've been running Stackless Python without f_tstate for more than
> three months now, in various applications.
> May I check in a patch to evict f_tstate?

Sure!  Let stackless lead the way. :-)

--Guido van Rossum (home page: http://www.python.org/~guido/)

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