Haven't digged deep into this but a quick online search suggests that there seems to be a multiprocessing related issue. I don't know why I didn't get this before but I got this today.
The process has forked and you cannot use this CoreFoundation functionality safely. You MUST exec().
Break on __THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONALITY_YOU_MUST_EXEC() to debug.
And this error message kept appearing and printed and the program seemed to be halted since then.
Haven't digged deep into this but a quick online search suggests that there seems to be a multiprocessing related issue. I don't know why I didn't get this before but I got this today.
And this error message kept appearing and printed and the program seemed to be halted since then.