[Stackless] http://www.stackless.com/pipermail/stackless/2007-April/000142.html

Richard Tew richard.m.tew at gmail.com
Thu Apr 12 22:07:44 CEST 2012

On Thu, Apr 12, 2012 at 10:24 PM, Kristján Valur Jónsson
<kristjan at ccpgames.com> wrote:
> Aha, maybe the issue is with b, because currently stackless may be assuming that all PyHeapTypeObjects have the stackless extension, even though they don't have the flag.
> Fixing this may be sufficient, then.  Let me go in and have a look at the problem.

Yes, SIP does the following:

struct X {
    PyHeapTypeObject y;

And when compiled against cpython, and used against Stackless, the
expectation of a longer y could result in Stackless clobbering
trailing fields of X.  If you have a way to fix what you describe
above, this should also be covered.


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