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[3.11] gh-67056: document that registering/unregistering an atexit func from within an atexit func is undefined (GH-104473) (#104500)

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Miss Islington (bot) 2023-05-15 02:15:07 -07:00 • committed by GitHub
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Doc/library/atexit.rst
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@ -20,6 +20,9 @@ at interpreter termination time they will be run in the order ``C``, ``B``,
program is killed by a signal not handled by Python, when a Python fatal program is killed by a signal not handled by Python, when a Python fatal
internal error is detected, or when :func:`os._exit` is called. internal error is detected, or when :func:`os._exit` is called.
**Note:** The effect of registering or unregistering functions from within
a cleanup function is undefined.
.. versionchanged:: 3.7 .. versionchanged:: 3.7
When used with C-API subinterpreters, registered functions When used with C-API subinterpreters, registered functions
are local to the interpreter they were registered in. are local to the interpreter they were registered in.

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Misc/NEWS.d/next/Documentation/2023-05-14-12-11-28.gh-issue-67056.nVC2Rf.rst Normal file
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@ -0,0 +1,2 @@
Document that the effect of registering or unregistering an :mod:`atexit`
cleanup function from within a registered cleanup function is undefined.