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Victor Stinner 43882c7c4e
[3.13] gh-140815: Fix faulthandler for invalid/freed frame (#140921) (#140985) 
gh-140815: Fix faulthandler for invalid/freed frame (#140921)

faulthandler now detects if a frame or a code object is invalid or
freed.

Add helper functions:

* _PyCode_SafeAddr2Line()
* _PyFrame_SafeGetCode()
* _PyFrame_SafeGetLasti()

_PyMem_IsPtrFreed() now detects pointers in [-0xff, 0xff] range
as freed.

(cherry picked from commit a84181c31bfc45a1d6bcb1296bd298ad612c54d0)
2025-11-05 18:39:28 +01:00
..
cpython
[3.13] gh-139640: Fix swallowing syntax warnings in different modules (GH-139755) (GH-140119)
2025-10-14 15:46:11 +00:00
internal
[3.13] gh-140815: Fix faulthandler for invalid/freed frame (#140921) (#140985)
2025-11-05 18:39:28 +01:00
abstract.h
[3.13] gh-134989: Implement PyObject_DelAttr() as a macro in the limited C API (GH-135021) (#135134)
2025-06-04 17:10:51 +02:00
bltinmodule.h
…
boolobject.h
[3.13] gh-134989: Fix Py_RETURN_NONE in the limited C API (GH-135165) (#135182)
2025-06-05 15:02:09 +00:00
bytearrayobject.h
…
bytesobject.h
…
ceval.h
gh-74929: Implement PEP 667 (GH-115153)
2024-05-04 12:12:10 +01:00
codecs.h
…
compile.h
…
complexobject.h
…
critical_section.h
[3.13] gh-119344: Make critical section API public (GH-119353) (#120856)
2024-06-21 20:20:41 +00:00
datetime.h
…
descrobject.h
…
dictobject.h
…
dynamic_annotations.h
…
enumobject.h
…
errcode.h
…
exports.h
…
fileobject.h
…
fileutils.h
…
floatobject.h
[3.13] gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) (GH-122012)
2024-07-19 09:13:08 +00:00
frameobject.h
…
genericaliasobject.h
…
import.h
…
intrcheck.h
…
iterobject.h
…
listobject.h
gh-114329: Fix PyList_GetItemRef() limited C API definition (#117520)
2024-04-03 21:02:42 +00:00
lock.h
[3.13] gh-136759: revert rename lock.h to pylock.h (GH-137041) (#137075) (#137166)
2025-07-28 12:19:32 +00:00
longobject.h
gh-117021: Fix integer overflow in PyLong_AsPid() on non-Windows 64-bit platforms (GH-117064)
2024-03-20 15:39:53 +02:00
marshal.h
…
memoryobject.h
…
methodobject.h
gh-114626: Add again _PyCFunctionFastWithKeywords name (GH-115561)
2024-02-19 13:20:46 +01:00
modsupport.h
[3.13] gh-112136: Restore removed _PyArg_Parser (GH-121262) (#121344)
2024-07-03 18:29:00 +00:00
moduleobject.h
gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645)
2024-05-06 18:59:36 +02:00
monitoring.h
gh-111997: C-API for signalling monitoring events (#116413)
2024-05-04 08:23:50 +00:00
object.h
[3.13] gh-140487: Fix Py_RETURN_NOTIMPLEMENTED in limited C API 3.11 (GH-140636) (GH-140670)
2025-10-27 14:43:59 +01:00
objimpl.h
gh-102013: Move PyUnstable_GC_VisitObjects() to Include/cpython/objimpl.h (#115560)
2024-02-16 15:49:13 +01:00
opcode_ids.h
GH-118095: Use broader specializations of CALL in tier 1, for better tier 2 support of calls. (GH-118322)
2024-05-04 12:11:11 +01:00
opcode.h
…
osdefs.h
…
osmodule.h
…
patchlevel.h
Post 3.13.9
2025-10-14 20:35:49 +02:00
py_curses.h
[3.13] bpo-44172: Keep reference to original window in curses subwindow objects (GH-26226) (GH-133370)
2025-05-04 11:15:43 +00:00
pyatomic.h
…
pybuffer.h
…
pycapsule.h
…
pydtrace.d
…
pydtrace.h
…
pyerrors.h
[3.13] gh-119521: Rename IncompleteInputError to _IncompleteInputError and remove from public API/ABI (GH-119680, GH-120955) (GH-120944)
2024-06-24 20:23:30 +02:00
pyexpat.h
[3.13] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234) (#139367)
2025-11-02 12:39:11 +00:00
pyframe.h
…
pyhash.h
…
pylifecycle.h
gh-117987: Restore several functions removed in Python 3.13 alpha 1 (GH-117993)
2024-04-18 15:20:38 +02:00
pymacconfig.h
…
pymacro.h
[3.13] gh-127906: Fix Py_BUILD_ASSERT_EXPR() on Windows (#127994)
2024-12-16 17:17:01 +00:00
pymath.h
[3.13] Revert "gh-136006: fix Py_NAN expansion on Solaris systems (GH-136575) (#138734)" (#139239)
2025-09-22 14:18:11 +00:00
pymem.h
…
pyport.h
[3.13] gh-133256: Add _Py_NONSTRING macro (#133257) (#135135)
2025-06-04 17:10:35 +02:00
pystate.h
…
pystats.h
…
pystrcmp.h
…
pystrtod.h
…
Python.h
[3.13] gh-136823: Update documentation on excluded headers in Python.h (GH-136824) (#137438)
2025-08-05 22:16:24 +01:00
pythonrun.h
…
pythread.h
[3.13] gh-87135: Hang non-main threads that attempt to acquire the GIL during finalization (GH-105805) (GH-137827)
2025-08-17 09:08:14 -07:00
pytypedefs.h
…
rangeobject.h
…
README.rst
…
setobject.h
…
sliceobject.h
gh-115754: Add Py_GetConstant() function (#116883)
2024-03-21 16:07:00 +00:00
structmember.h
…
structseq.h
…
sysmodule.h
gh-117987: Restore several functions removed in Python 3.13 alpha 1 (GH-117993)
2024-04-18 15:20:38 +02:00
traceback.h
…
tupleobject.h
…
typeslots.h
…
unicodeobject.h
…
warnings.h
…
weakrefobject.h
gh-105927: Limit PyWeakref_GetRef() to limited C API 3.13 (#117091)
2024-03-20 23:52:23 +01:00

README.rst 

The Python C API
================

The C API is divided into these sections:

1. ``Include/``: Limited API
2. ``Include/cpython/``: CPython implementation details
3. ``Include/cpython/``, names with the ``PyUnstable_`` prefix: API that can
   change between minor releases
4. ``Include/internal/``, and any name with ``_`` prefix: The internal API

Information on changing the C API is available `in the developer guide`_

.. _in the developer guide: https://devguide.python.org/c-api/