https://github.com/python/cpython/commit/d6d1ebcdc9f758cff7564dd3aa894c004fc55762 commit: d6d1ebcdc9f758cff7564dd3aa894c004fc55762 branch: main author: Bhuvansh <[email protected]> committer: ZeroIntensity <[email protected]> date: 2026-10-03T11:35:03-04:00 summary:
gh-158643: Document that `Py_EnterRecursiveCall` uses the C stack, not a counter (GH-158644) Co-authored-by: An Long <[email protected]> files: M Doc/c-api/exceptions.rst diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst index 40522f8c7b1375..0c8d14dc134ebc 100644 --- a/Doc/c-api/exceptions.rst +++ b/Doc/c-api/exceptions.rst @@ -1034,6 +1034,10 @@ because the :ref:`call protocol <call>` takes care of recursion handling. case, a :exc:`RecursionError` is set and a nonzero value is returned. Otherwise, zero is returned. + The check is based on the remaining C stack space of the current thread, + not on a count of calls, so it is unaffected by + :c:func:`Py_SetRecursionLimit` and :func:`sys.setrecursionlimit`. + *where* should be a UTF-8 encoded string such as ``" in instance check"`` to be concatenated to the :exc:`RecursionError` message caused by the recursion depth limit. @@ -1044,6 +1048,10 @@ because the :ref:`call protocol <call>` takes care of recursion handling. .. versionchanged:: 3.9 This function is now also available in the :ref:`limited API <limited-c-api>`. + .. versionchanged:: 3.14 + The check is based on the remaining C stack space. Previously, a + separate counter of C-level calls was used. + .. c:function:: void Py_LeaveRecursiveCall(void) Ends a :c:func:`Py_EnterRecursiveCall`. Must be called once for each _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
