[issue20526] python: Modules/gcmodule.c:379: visit_decref: Assertion `((gc)->gc.gc_refs >> (1)) != 0' failed.

[Antoine Pitrou]

Antoine Pitrou added the comment:

> If wait_for_thread_shutdown() is interrupted, maybe Python should kill > all other threads with pthread_kill() or something like that.
> 
> Or wait_for_thread_shutdown() should maybe block SIGINT and SIGTERM 
> signals using pthread_sigmark()?

This sounds a bit desperate.
Also, it doesn't explain why collecting the frame crashes. Does the refcount become inconsistent?

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nosy: +neologix

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<http://bugs.python.org/issue20526>
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