Callback from c thread with ctypes

[Christian Heimes]

Victor Lin wrote
> I know I have to call PyEval_InitThreads if my module create threads
> that will contact python stuff, for example, call a python callback
> function from threads. But however, it is ctypes. I have no idea
> should I do that for the imported dll? If it is, how?

You have to initialize the thread state for the current thread, too. See
Python/pystate.c:PyThreadState_New()