[C-API] Weird sys.exc_info reference segfault
Antoine Pitrou
solipsis at pitrou.net
Sun Oct 3 17:52:30 EDT 2010
On Sun, 03 Oct 2010 16:33:48 +0200
"Jonas H." <jonas at lophus.org> wrote:
>
> Humm. Now the behaviour is as follows:
>
> with assignment to local variable
> ----------------------------------
> * start_response = PyObject_NEW(...) -> start_response->ob_refcnt=1
> * wsgiapp(environ, start_response) -> ob_refcnt=2
> * Py_DECREF(start_response) -> ob_refcnt=1
>
>
> without assignment
> ------------------
> * start_response = PyObject_NEW(...) -> start_respinse->ob_refcnt=1
> * wsgiapp(environ, start_response) -> ob_refcnt=1
> * Py_DECREF(start_response): CRASH
>
> I think I'll compile Python with debug support to check out what's going
> wrong in the second case.
You probably have a problem in your tp_dealloc implementation.
Antoine.
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