When I run a module written in C, core dumps at Python exit.

Edward C. Jones edcjones at erols.com
Wed Jun 2 17:20:29 CEST 1999

scott cotton wrote:

> On Tue, Jun 01, 1999 at 09:20:16PM -0400, Tim Peters wrote:
> | [Edward C. Jones]
> | > I wrote an extension module written in C. It seems to work OK.
> | > But core dumps when exiting Python. When I run the code from the
> | > interpreter, Python works fine until I try to exit with ^D. Then
> | > there is a core dump. What are the most common causes of such
> | > problems?
> |
> | Buggy extension modules written in C.
> |
> | suspecting-that's-obvious-ly y'rs  - tim
> More specifically <0.314 ;>, since python core dumps on exit,
> it is most likely a deallocation function that is freeing
> memory that it shouldn't.  Of course, that may be caused by
> almost anything in the extension module.
> scott

It turned out that the program was writing over the end of an array.
This usually dumps core well before Python exits but this time took

  Ed Jones

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