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gh-67056: document that registering/unregistering an atexit func from within an atexit func is undefined #104473

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May 15, 2023
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gh-67056: document that registering/unregistering an atexit func from within an atexit func is undefined #104473

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gh-67056: document that registering/unregistering an atexit func from…
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gh-67056: document that registering/unregistering an atexit func from… 
… within an atexit func is undefined
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iritkatriel committed May 14, 2023
commit d3127cdf54a8520e4d6e412c5a509d60a53a0053
5 changes: 5 additions & 0 deletions Doc/library/atexit.rst
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Expand Up @@ -45,6 +45,9 @@ internal error is detected, or when :func:`os._exit` is called.
This function returns *func*, which makes it possible to use it as a
decorator.

The effect of calling :func:`register` from another registered cleanup
function is undefined.


.. function:: unregister(func)

Expand All @@ -55,6 +58,8 @@ internal error is detected, or when :func:`os._exit` is called.
comparisons (``==``) are used internally during unregistration, so function
references do not need to have matching identities.

The effect of calling :func:`unregister` from a registered cleanup function
is undefined.

.. seealso::

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