pythongh-67056: document that registering/unregistering an atexit fun…

…c from within an atexit func is undefined (pythonGH-104473) (cherry picked from commit b15a1a6) Co-authored-by: Irit Katriel <[email protected]>
miss-islington · May 15, 2023 · 6ade9ea · 6ade9ea
1 parent 1afc0a9
commit 6ade9ea
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 0 deletions.
diff --git a/Doc/library/atexit.rst b/Doc/library/atexit.rst
@@ -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
 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
     When used with C-API subinterpreters, registered functions
     are local to the interpreter they were registered in.

diff --git a/Misc/NEWS.d/next/Documentation/2023-05-14-12-11-28.gh-issue-67056.nVC2Rf.rst b/Misc/NEWS.d/next/Documentation/2023-05-14-12-11-28.gh-issue-67056.nVC2Rf.rst
@@ -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.
Original file line number	Diff line number	Diff line change
		@@ -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.