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Fri Dec 21 10:43:11 CET 2012 · https://mail.python.org/pipermail/python-dev/2012-December/123249.html

Le Fri, 21 Dec 2012 09:31:44 +0000,
Kristján Valur Jónsson <kristjan at ccpgames.com> a écrit :
> I ran into this the other day.  I had put in hooks in the
> PyMem_MALLOC to track memory per tasklet, and it crashed in those
> cases because it was being called without the GIL.  My local patch
> was simply to _not_ release the GIL. Clearly, calling PyMem_MALLOC
> without the GIL is an API violation.

Indeed, this deserves fixing.
(it would be better to still release the GIL around the low-level I/O
call, of course)

Thanks Trent for finding this!

Antoine.

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[Python-Dev] Possible GIL/threading issue involving subprocess and PyMem_MALLOC...