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cpython/Modules
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Sam Gross 052cb717f5
gh-124878: Fix race conditions during interpreter finalization (#130649) 
The PyThreadState field gains a reference count field to avoid
issues with PyThreadState being a dangling pointer to freed memory.
The refcount starts with a value of two: one reference is owned by the
interpreter's linked list of thread states and one reference is owned by
the OS thread. The reference count is decremented when the thread state
is removed from the interpreter's linked list and before the OS thread
calls `PyThread_hang_thread()`. The thread that decrements it to zero
frees the `PyThreadState` memory.

The `holds_gil` field is moved out of the `_status` bit field, to avoid
a data race where on thread calls `PyThreadState_Clear()`, modifying the
`_status` bit field while the OS thread reads `holds_gil` when
attempting to acquire the GIL.

The `PyThreadState.state` field now has `_Py_THREAD_SHUTTING_DOWN` as a
possible value. This corresponds to the `_PyThreadState_MustExit()`
check. This avoids race conditions in the free threading build when
checking `_PyThreadState_MustExit()`.
2025-03-06 10:38:34 -05:00
..
_ctypes gh-128911: Use PyImport_ImportModuleAttr() function (#129657) 2025-02-05 11:03:58 +01:00
_decimal gh-130230: Fix crash in pow() with only Decimal third argument (GH-130237) 2025-02-18 09:46:48 +02:00
_hacl gh-127897: fix HACL* build on macOS/Catalina (GH-127932) 2024-12-17 22:14:16 -08:00
_io gh-130790: Remove references about unicode's readiness from comments (#130801) 2025-03-03 19:18:09 +00:00
_multiprocessing gh-111178: fix UBSan failures in Modules/_multiprocessing/semaphore.c (#129084) 2025-01-20 20:43:55 +00:00
_sqlite gh-129928: Rework sqlite3 error helpers (#129929) 2025-02-11 07:49:25 +00:00
_sre gh-129983: fix data race in compile_template in sre.c (#130015) 2025-02-12 18:34:44 +05:30
_ssl gh-111178: fix UBSan failures in Modules/_ssl/cert.c (GH-129088) 2025-01-30 11:11:37 +01:00
_testcapi gh-128911: Use PyImport_ImportModuleAttr() function (#129657) 2025-02-05 11:03:58 +01:00
_testinternalcapi Fixes loop variables to be the same types as their limit (GH-120958) 2024-06-24 17:11:47 +01:00
_testlimitedcapi gh-130824: Clean up test wrappers for PyLong_*AndOverflow functions (GH-130871) 2025-03-05 11:50:53 +01:00
_xxtestfuzz gh-121023: Improve _xxtestfuzz/README.rst (#121024) 2024-09-16 23:28:09 +03:00
cjkcodecs gh-128911: Add PyImport_ImportModuleAttr() function (#128912) 2025-01-30 11:17:29 +00:00
clinic Revert "gh-128942: make array module thread safe (#128943)" (#130707) 2025-02-28 16:57:48 -05:00
expat gh-126623: Update libexpat to 2.6.4, make future updates easier (GH-126792) 2024-11-13 18:31:20 +00:00
_abc.c gh-111178: fix UBSan failures in Modules/_abc.c (GH-128253) 2025-01-07 12:45:29 +01:00
_asynciomodule.c gh-128002: use efficient linked list implementation for eager tasks in asyncio (#130518) 2025-03-03 06:36:43 +00:00
_bisectmodule.c gh-126035: add missing whitespace to *Py_EnterRecursiveCall() messages (#126036) 2024-10-27 22:55:48 +01:00
_bz2module.c gh-111178: fix UBSan failures in Modules/_bz2module.c (GH-128238) 2025-01-10 11:47:19 +01:00
_codecsmodule.c gh-124665: Add _PyCodec_UnregisterError and _codecs._unregister_error (#124677) 2024-09-29 02:25:23 +02:00
_collectionsmodule.c gh-111178: fix UBSan failures in Modules/_collectionsmodule.c (#129773) 2025-02-17 12:12:03 +00:00
_complex.h gh-61103: Support float and long double complex types in ctypes module (#121248) 2024-07-03 11:08:11 +02:00
_contextvarsmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_csv.c gh-129409: Fix Integer overflow - SEGV while writing data more than 2GB in CSV file (#129413) 2025-01-29 11:15:47 +00:00
_curses_panel.c gh-111178: fix UBSan failures in Modules/curses*.c (GH-128244) 2025-01-03 15:12:40 +01:00
_cursesmodule.c gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) 2025-02-25 23:04:27 +02:00
_datetimemodule.c gh-111178: fix UBSan failures in Modules/_datetimemodule.c (GH-129774) 2025-02-19 11:18:37 +00:00
_dbmmodule.c gh-111178: fix UBSan failures in Modules/_dbmmodule.c (#129775) 2025-02-10 11:02:47 +01:00
_elementtree.c gh-128911: Add PyImport_ImportModuleAttr() function (#128912) 2025-01-30 11:17:29 +00:00
_functoolsmodule.c gh-111178: fix UBSan failures in Modules/_functoolsmodule.c (GH-129778) 2025-02-21 15:08:56 +01:00
_gdbmmodule.c gh-111178: fix UBSan failures for gdbmobject (GH-128178) 2025-01-10 11:52:36 +01:00
_hashopenssl.c gh-127667: fix memory leaks in hashlib (#127668) 2025-03-03 09:20:33 +01:00
_heapqmodule.c Remove almost all unpaired backticks in docstrings (#119231) 2024-05-22 12:35:18 -04:00
_interpchannelsmodule.c gh-111178: fix UBSan failures in Modules/_interp*module.c (GH-129779) 2025-02-17 11:34:14 +01:00
_interpqueuesmodule.c gh-111178: fix UBSan failures in Modules/_interp*module.c (GH-129779) 2025-02-17 11:34:14 +01:00
_interpreters_common.h gh-76785: Improved Subinterpreters Compatibility with 3.12 (2/2) (gh-126707) 2024-11-12 10:41:51 -07:00
_interpretersmodule.c gh-111178: fix UBSan failures in Modules/_interp*module.c (GH-129779) 2025-02-17 11:34:14 +01:00
_json.c gh-111178: fix UBSan failures in Modules/_jsonmodule.c (GH-129781) 2025-02-17 14:51:18 +01:00
_localemodule.c Fix a typo in _localemodule.c (GH-130085) 2025-02-13 17:29:26 +00:00
_lsprof.c gh-111178: fix UBSan failures in Modules/_lsprof.c (GH-129782) 2025-02-17 14:53:03 +01:00
_lzmamodule.c gh-111178: fix UBSan failures in Modules/_lzmamodule.c (GH-129783) 2025-02-18 14:48:21 +01:00
_math.h gh-122681: remove m_atan2()/c_atan2() helpers (#122715) 2024-08-17 13:48:16 +05:30
_opcode.c gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR (#129700) 2025-02-07 22:39:54 +00:00
_operator.c gh-111178: fix UBSan failures in Modules/_operator.c (GH-129785) 2025-02-20 14:21:55 +01:00
_pickle.c gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) 2025-02-25 23:04:27 +02:00
_posixsubprocess.c gh-121381 Remove subprocess._USE_VFORK escape hatch (#121383) 2024-07-30 18:39:54 -07:00
_queuemodule.c gh-111178: fix UBSan failures in Modules/_queuemodule.c (GH-129790) 2025-02-21 14:37:32 +00:00
_randommodule.c gh-111178: fix UBSan failures in Modules/_randommodule.c (GH-129791) 2025-02-21 14:59:04 +00:00
_scproxy.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_ssl.c gh-129354: Use PyErr_FormatUnraisable() function (#129518) 2025-01-31 15:06:14 +01:00
_ssl.h
_ssl_data_34.h gh-127330: Update for OpenSSL 3.4 & document+improve the update process (GH-127331) 2024-11-28 13:29:27 +01:00
_ssl_data_111.h gh-127330: Update for OpenSSL 3.4 & document+improve the update process (GH-127331) 2024-11-28 13:29:27 +01:00
_ssl_data_300.h gh-127330: Update for OpenSSL 3.4 & document+improve the update process (GH-127331) 2024-11-28 13:29:27 +01:00
_stat.c Fix typos in docs, error messages and comments (#123336) 2024-08-28 14:41:04 +03:00
_statisticsmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_struct.c gh-111178: fix UBSan failures in Modules/_struct.c (#129793) 2025-02-23 10:34:11 +00:00
_suggestions.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_sysconfig.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_testbuffer.c gh-120674: Protect multi-line macros in _testbuffer.c and _testcapimodule.c (#120675) 2024-06-18 12:04:52 +00:00
_testcapi_feature_macros.inc gh-91325: Skip Stable ABI checks with Py_TRACE_REFS special build (GH-92046) 2024-01-29 16:45:31 +01:00
_testcapimodule.c GH-130396: Use computed stack limits on linux (GH-130398) 2025-02-25 09:24:48 +00:00
_testclinic.c gh-122943: Remove the object converter for var-positional parameter (GH-126560) 2024-11-08 05:41:54 +00:00
_testclinic_limited.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
_testexternalinspection.c gh-130052: Fix some exceptions on error paths in _testexternalinspection (#130053) 2025-02-20 17:05:39 +00:00
_testimportmultiple.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_testinternalcapi.c gh-130519: Fix crash in QSBR when destructor reenters QSBR (gh-130553) 2025-02-26 14:55:15 -05:00
_testlimitedcapi.c gh-111495: Add PyFile tests (#129449) 2025-01-30 18:05:32 +01:00
_testmultiphase.c gh-129405: Fix doc for Py_mod_multiple_interpreters default, and add test (GH-129406) 2025-02-24 14:59:19 +01:00
_testsinglephase.c gh-123880: Allow recursive import of single-phase-init modules (GH-123950) 2024-09-20 10:27:34 +02:00
_threadmodule.c gh-124878: Fix race conditions during interpreter finalization (#130649) 2025-03-06 10:38:34 -05:00
_tkinter.c gh-111178: fix UBSan failures in Modules/_tkinter.c (GH-129795) 2025-02-26 09:40:48 +01:00
_tracemalloc.c gh-128679: Redesign tracemalloc locking (#128888) 2025-01-15 20:22:44 +00:00
_typingmodule.c gh-105499: Merge typing.Union and types.UnionType (#105511) 2025-03-04 11:44:19 -08:00
_uuidmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_weakref.c gh-120974: Make _asyncio._leave_task atomic in the free-threaded build (#122139) 2024-07-23 17:06:03 +00:00
_winapi.c gh-111178: fix UBSan failures in Modules/_winapi.c (GH-129796) 2025-02-24 14:06:13 +01:00
_zoneinfo.c gh-111178: fix UBSan failures in Modules/_zoneinfo.c (GH-129798) 2025-02-26 09:36:59 +01:00
addrinfo.h
arraymodule.c Revert "gh-128942: make array module thread safe (#128943)" (#130707) 2025-02-28 16:57:48 -05:00
atexitmodule.c gh-129354: Fix grammar in PyErr_FormatUnraisable() (#129475) 2025-01-31 09:45:35 +01:00
binascii.c gh-118314: Fix padding edge case in binascii.a2b_base64 strict mode (GH-118320) 2024-05-07 11:18:45 +02:00
blake2module.c gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c (GH-128248) 2025-01-27 14:50:58 +01:00
cmathmodule.c gh-120026: soft deprecate Py_HUGE_VAL macro (#120027) 2024-11-01 22:04:31 +00:00
config.c.in gh-126107: Remove copyright block from Modules/config.c.in (#126982) 2025-01-26 16:57:32 +00:00
errnomodule.c gh-126585: Add EHWPOISON error code (#126586) 2024-12-03 12:45:50 +00:00
faulthandler.c gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) 2025-02-25 23:04:27 +02:00
fcntlmodule.c gh-116622: Don't expose FICLONE ioctl on Android (#122522) 2024-08-01 00:23:10 +00:00
gc_weakref.txt
gcmodule.c gh-122943: Rework support of var-positional parameter in Argument Clinic (GH-122945) 2024-11-07 23:40:03 +02:00
getaddrinfo.c gh-108767: Replace ctype.h functions with pyctype.h functions (#108772) 2023-09-01 18:36:53 +02:00
getbuildinfo.c gh-100388: Change undefined __DATE__ to the Unix epoch (#100389) 2025-03-03 14:59:46 +01:00
getnameinfo.c
getpath.c gh-129354: Fix grammar in PyErr_FormatUnraisable() (#129475) 2025-01-31 09:45:35 +01:00
getpath.py GH-128469: Revert "warn when libpython was loaded from outside the build directory (#128645)" (#129506) 2025-01-31 11:17:37 +00:00
getpath_noop.c
grpmodule.c gh-126316: Make grp.getgrall() thread-safe: add a mutex (#127055) 2024-11-21 15:47:24 +01:00
hashlib.h gh-111863: Rename Py_NOGIL to Py_GIL_DISABLED (#111864) 2023-11-20 15:52:00 +02:00
itertoolsmodule.c gh-111178: fix UBSan failures in Modules/itertoolsmodule.c (GH-129780) 2025-02-19 11:58:47 +01:00
ld_so_aix.in
main.c gh-128130: Fix unhandled keyboard interrupt data race (gh-129975) 2025-02-13 12:29:03 -05:00
makesetup gh-116622: Rename build variable MODULE_LDFLAGS back to LIBPYTHON (#122764) 2024-08-09 00:00:55 +02:00
makexp_aix
mathmodule.c gh-101410: support custom messages for domain errors in the math module (#124299) 2025-01-23 13:55:25 +00:00
md5module.c gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c (GH-128248) 2025-01-27 14:50:58 +01:00
mmapmodule.c gh-111178: fix clang-cl compilation of Modules/mmapmodule.c post gh-129784 (#130446) 2025-02-22 12:36:38 +01:00
overlapped.c gh-111178: fix UBSan failures in Modules/overlapped.c (GH-129786) 2025-02-20 14:24:24 +01:00
posixmodule.c gh-124878: Fix race conditions during interpreter finalization (#130649) 2025-03-06 10:38:34 -05:00
posixmodule.h gh-85283: Convert grp extension to the limited C API (#116611) 2024-03-12 00:46:53 +00:00
pwdmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
pyexpat.c gh-111178: fix UBSan failures in Modules/pyexpat.c (GH-129789) 2025-02-24 11:56:32 +01:00
readline.c gh-122431: Disallow negative values in readline.append_history_file (#122469) 2024-12-05 16:07:38 +00:00
README
resource.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
rotatingtree.c gh-116181: Remove Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE in rotatingtree.c (#121260) 2024-07-03 13:05:05 +05:30
rotatingtree.h
selectmodule.c gh-111178: fix UBSan failures in Modules/selectmodule.c (GH-129792) 2025-02-24 13:38:18 +01:00
Setup GH-99108: Amend Modules/Setup (#123146) 2024-08-23 08:40:31 +02:00
Setup.bootstrap.in gh-121554: remove unnecessary internal functions in compile.c (#121555) 2024-07-10 23:48:37 +01:00
Setup.stdlib.in gh-93649: Add Modules/_testcapi/function.c file (#129521) 2025-01-31 16:02:50 +01:00
sha1module.c gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c (GH-128248) 2025-01-27 14:50:58 +01:00
sha2module.c gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c (GH-128248) 2025-01-27 14:50:58 +01:00
sha3module.c gh-111178: fix UBSan failures in Modules/{blake2,md5,sha1,sha2,sha3}module.c (GH-128248) 2025-01-27 14:50:58 +01:00
signalmodule.c gh-129354: Fix grammar in PyErr_FormatUnraisable() (#129475) 2025-01-31 09:45:35 +01:00
socketmodule.c gh-129288: Add optional l2_cid and l2_bdaddr_type in BTPROTO_L2CAP socket address tuple (#129293) 2025-02-27 12:51:47 +00:00
socketmodule.h gh-124944: Add socket.SO_ORIGINAL_DST (#124945) 2024-10-15 00:36:38 +02:00
symtablemodule.c gh-119933: Improve `SyntaxError` message for invalid type parameters expressions (#119976) 2024-06-17 06:51:03 -07:00
syslogmodule.c gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) 2025-02-25 23:04:27 +02:00
termios.c gh-119770: Make termios ioctl() constants positive (#119840) 2024-05-31 17:18:40 +02:00
timemodule.c gh-130617 : fix time_clockid_converter on DragonFlyBSD (#130634) 2025-02-28 08:56:00 +01:00
tkappinit.c
tkinter.h
unicodedata.c gh-130790: Remove references about unicode's readiness from comments (#130801) 2025-03-03 19:18:09 +00:00
unicodedata_db.h closes gh-124016: update Unicode to 16.0.0 (#124017) 2024-09-13 07:47:04 -07:00
unicodename_db.h closes gh-124016: update Unicode to 16.0.0 (#124017) 2024-09-13 07:47:04 -07:00
winreparse.h
xxlimited.c gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797) 2025-02-25 13:02:32 +01:00
xxlimited_35.c gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797) 2025-02-25 13:02:32 +01:00
xxmodule.c gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797) 2025-02-25 13:02:32 +01:00
xxsubtype.c gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797) 2025-02-25 13:02:32 +01:00
zlibmodule.c gh-111178: fix UBSan failures in Modules/zlibmodule.c (GH-128252) 2025-01-03 15:36:41 +01:00

README 

Source files for standard library extension modules,
and former extension modules that are now builtin modules.