[issue7946] Convoy effect with I/O bound threads and New GIL

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> I stand corrected.   However, I'm going to have to think of a
> completely different approach for carrying out that functionality as I
> don't know how the take_gil() function is able to determine whether
> gil_last_holder has been deleted or not.

Please note take_gil() currently doesn't depend on the validity of the
pointer. gil_last_holder is just used as an opaque value, equivalent to
a thread id.

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<http://bugs.python.org/issue7946>
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