[issue23395] _thread.interrupt_main() errors if SIGINT handler in SIG_DFL, SIG_IGN

[STINNER Victor]

STINNER Victor <vstinner at redhat.com> added the comment:

The interrupt_main() documentation needs a "versionchanged:: 3.8" to document that the behavior changed in Python 3.8, no? (do nothing if the signal is not handled by Python).

I'm not comfortable to backport this change. I suggest to only change Python 3.8 (master branch).

While reviewing this change, I found code which should be refactored: see bpo-37031.

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