[issue29881] Add a new private API clear private variables, which are initialized once, at Python shutdown

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

What if use the term "singleton"? It includes "initialize once" and "finalize at shutdown" meanings. _Py_INIT_SINGLETON() or _Py_SET_SINGLETON()?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue29881>
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