[pypy-dev] cpyext: Detecting pypy and other issues

[Roger Binns]

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On 05/12/2011 01:34 AM, Maciej Fijalkowski wrote:
>>> 32bit pypy works out of the box on valgrind. No idea why 64bit does not

Are you sure it plays nice with the standard memory allocation functions
(malloc/free)?  That is unlikely due to use of a GC.  The doc I wrote shows
what you have to do to get CPython to play nice.

Additionally I need pypy's behaviour to be deterministic.  I was getting
different behaviour from just running a test versus running under gdb with a
breakpoint in one of my C functions and just hitting continue once it hit!

The most promising thing looked to me to be the refcounting GC but that
doesn't compile - the error message implied it had something to do with not
supporting weakrefs.

Roger
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