Exception in Python 2.3.3 Interpreter

[Saravanan D]

"Fredrik Lundh" <fredrik at pythonware.com> wrote in message
news:mailman.252.1115707861.29826.python-list at python.org...
> "Saravanan D" wrote:
>
> > > > 03 023ffaa4 1e013182 00000000 055b1250 00637470
python23!cmp_outcome(int
> > op
> > > > = 88026108, struct _object * v = 0x00000001, struct _object * w =
> > > > 0x00000000)+0xa9 [F:\Python-2.3.3\Python-2.3.3\Python\ceval.c @
3880]
> > > > 04 023ffb18 1e016ba4 014f3318 00000002 0099f170
> > python23!eval_frame(struct
> > > > _frame * f = 0x053f2bfc)+0x542
> > [F:\Python-2.3.3\Python-2.3.3\Python\ceval.c
> > > > @ 1965]
> > > > 05 023ffb30 1e016a69 0099f170 023ffb7c 00000002
> > > > python23!fast_function(struct _object * func = <Memory access
error>,
> > struct
> > > > _object *** pp_stack = <Memory access error>, int n = <Memory access
> > error>,
> > > > int na = <Memory access error>, int nk = <Memory access error>)+0x94
> > >
> > > the above doesn't look very healthy.  does your application involve
> > > non-standard extensions (including extensions you've written your-
> > > self)?  does the extensions contain callbacks into Python code?
> > >
> >
> > My application uses extension modules which devliers the callbacks to
Python
> > Code. Im using SWIG 1.3.19 version to generate relevant python
interfaces
> > for the C++ code.
>
> how are you accessing the callbacks?  if you're doing that from threads
> created at the C++ level, you must make sure that the thread state is
> properly set up.  see:

Callbacks have been called from the threads which are created in C++ code.
Before calling the callback, the thread state has been properly set  (as per
python documentation).  The application runs 3 to 4 days continuously with
out having any issues.  But, crash happens sparadically. (once in a week /
once in 4 days )



> do you keep track of the thread state, so that callbacks run in the
> same state as they were registered in?
>
> </F>
>
>
>