PQueue and Python 2.5

Giovanni Bajo noway at ask.me
Sat Jan 20 13:57:27 CET 2007


On 20/01/2007 11.29, Martin v. Löwis wrote:

>> I haven't got a clue how to investigate this, but I would be willing to
>> help if someone has any ideas.
> 
> There are a number of problems in this code; the most significant one is
> the incorrect usage of memory management API. In pqueue_dealloc, the
> call PyMem_DEL(pqp) should read PyObject_DEL(pqp), as the object was
> allocated with PyObject_NEW. Because this was a common error once,
> Python up to 2.4 detected that error and silently corrected it (at some
> runtime cost); Python 2.5 now has removed this work-around.

And by the way, this is also a FAQ:

http://effbot.org/pyfaq/why-does-my-c-extension-suddenly-crash-under-2.5.htm

and even explained in the Misc/NEWS of Python 2.5.
-- 
Giovanni Bajo



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