C-extension not threadable?

[Martin v. Löwis]

Dave Cole <djc at object-craft.com.au> writes:

> The assumption is not an assumption in this case because the original
> question was about this very situation.

I see. I did not understand that the OP was already concerned with a
callback from his C function to Python; I thought that he only wanted
to call into C code and wondered why the other threads are blocked.

Regards,
Martin