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Victor Stinner 6ff54716f1
gh-96387: take_gil() resets drop request before exit (#96869) (#96941) 
At Python exit, sometimes a thread holding the GIL can wait forever
for a thread (usually a daemon thread) which requested to drop the
GIL, whereas the thread already exited. To fix the race condition,
the thread which requested the GIL drop now resets its request before
exiting.

take_gil() now calls RESET_GIL_DROP_REQUEST() before
PyThread_exit_thread() if it called SET_GIL_DROP_REQUEST to fix a
race condition with drop_gil().

Issue discovered and analyzed by Mingliang ZHAO.

(cherry picked from commit 04f4977f50)
2022-09-20 02:12:09 +02:00
..
clinic [3.11] gh-95778: CVE-2020-10735: Prevent DoS by very large int() (#96500) 2022-09-02 09:48:57 -07:00
deepfreeze bpo-45696: Deep-freeze selected modules (GH-29118) 2021-11-10 18:01:53 -08:00
frozen_modules bpo-45020: Drop the frozen .h files from the repo. (gh-28392) 2021-09-16 14:20:52 -06:00
_warnings.c gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938) (#94000) 2022-06-20 15:47:41 +02:00
adaptive.md Update adaptive.md for inline caching (GH-31817) 2022-03-11 14:29:10 +00:00
asdl.c bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933) 2021-03-23 20:47:40 +01:00
ast.c gh-92597: Improve error message for AST nodes with invalid ranges (GH-93398) (GH-93414) 2022-06-01 14:05:40 +01:00
ast_opt.c bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049) 2022-04-11 15:34:18 +01:00
ast_unparse.c bpo-43224: Implement PEP 646 grammar changes (GH-31018) 2022-03-26 09:55:35 -07:00
bltinmodule.c gh-92203: Add closure support to exec(). (#92204) 2022-05-06 10:09:35 -07:00
bootstrap_hash.c bpo-46303: Move fileutils.h private functions to internal C API (GH-30484) 2022-01-11 11:56:16 +01:00
ceval.c GH-96754: Check whether the interpreter frame is complete before creating frame object. (GH-96776) (#96787) 2022-09-13 11:56:27 +01:00
ceval_gil.h gh-96387: take_gil() resets drop request before exit (#96869) (#96941) 2022-09-20 02:12:09 +02:00
codecs.c bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized global objects. (gh-30928) 2022-02-08 13:39:07 -07:00
compile.c [3.11] GH-94036: Fix more attribute location quirks (GH-95028) (GH-95156) 2022-07-22 17:31:06 -07:00
condvar.h bpo-44740: Lowercase "internet" and "web" where appropriate. (#27378) 2021-07-27 00:11:55 +02:00
context.c Add more stats for freelist use and allocations. (GH-92211) 2022-05-03 16:40:24 -06:00
dtoa.c bpo-45412: Add _PY_SHORT_FLOAT_REPR macro (GH-31171) 2022-02-23 18:16:23 +01:00
dup2.c [3.11] gh-95174: Handle missing dup() and constants in WASI (GH-95229) (GH-95272) 2022-07-31 16:39:41 +01:00
dynamic_annotations.c
dynload_hpux.c bpo-44959: Add fallback to extension modules with '.sl' suffix on HP-UX (GH-27857) 2021-09-08 14:43:00 +02:00
dynload_shlib.c bpo-43895: Remove an unnecessary cache of shared object handles (GH-25487) 2021-07-07 16:26:06 -07:00
dynload_stub.c
dynload_win.c gh-57684: Add -P cmdline option and PYTHONSAFEPATH env var (#31542) 2022-05-06 01:34:11 +02:00
emscripten_signal.c bpo-47176: Interrupt handling for wasm32-emscripten builds without pthreads (GH-32209) 2022-04-03 22:58:52 +02:00
errors.c Fix refleaks in PyErr_SetHandledException (GH-91627) 2022-04-17 02:52:53 -04:00
fileutils.c [3.11] gh-95174: Handle missing dup() and constants in WASI (GH-95229) (GH-95272) 2022-07-31 16:39:41 +01:00
formatter_unicode.c bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049) 2022-04-11 15:34:18 +01:00
frame.c [3.11] GH-94262: Don't create frame objects for frames that aren't yet complete. (GH-94371) (#94482) 2022-07-04 19:43:12 +01:00
frozen.c bpo-46748: Don't import <stdbool.h> in public headers (GH-31553) 2022-02-25 09:25:54 +01:00
frozenmain.c bpo-44131: Py_FrozenMain() uses PyConfig_SetBytesArgv() (GH-26201) 2021-05-20 12:08:05 +02:00
future.c bpo-38605: Revert making 'from __future__ import annotations' the default (GH-25490) 2021-04-21 12:41:19 +01:00
getargs.c [3.11] gh-94938: Fix errror detection of unexpected keyword arguments (GH-94999) (GH-95353) 2022-07-28 09:51:45 +03:00
getcompiler.c closes bpo-43278: remove unnecessary leading '\n' from COMPILER when build with GCC/Clang (GH-24606) 2021-02-25 20:24:21 -08:00
getcopyright.c Update copyright year to 2022. (GH-30335) 2022-01-02 12:08:48 -08:00
getopt.c gh-90300: split --help output into separate options (GH-30331) 2022-06-14 12:15:42 -07:00
getplatform.c
getversion.c bpo-43931: Export Python version as API data (GH-25577) 2021-12-09 17:52:05 -08:00
hamt.c gh-93065: Fix HAMT to iterate correctly over 7-level deep trees (GH-93066) (GH-93145) 2022-05-24 10:52:06 +02:00
hashtable.c bpo-41061: Fix incorrect expressions in hashtable (GH-21028) 2020-06-22 00:41:48 -07:00
import.c [3.11] gh-93741: Add private C API _PyImport_GetModuleAttrString() (GH-93742) (GH-93792) 2022-06-14 08:51:39 +03:00
importdl.c bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189) 2022-03-30 12:28:33 -07:00
importdl.h bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189) 2022-03-30 12:28:33 -07:00
initconfig.c [3.11] gh-95778: CVE-2020-10735: Prevent DoS by very large int() (#96500) 2022-09-02 09:48:57 -07:00
makeopcodetargets.py bpo-43760: Check for tracing using 'bitwise or' instead of branch in dispatch. (GH-28723) 2021-10-05 11:01:11 +01:00
marshal.c gh-78214: marshal: Stabilize FLAG_REF usage (GH-8226) 2022-05-04 10:01:15 +09:00
modsupport.c bpo-1635741: Add PyModule_AddObjectRef() function (GH-23122) 2020-11-04 13:59:15 +01:00
mysnprintf.c bpo-36020: Require vsnprintf() to build Python (GH-20899) 2020-06-16 00:54:44 +02:00
mystrtoul.c bpo-35134: Add Include/cpython/longobject.h (GH-29044) 2021-10-19 02:04:52 +02:00
opcode_targets.h gh-91869: Fix tracing of specialized instructions with extended args (GH-91945) 2022-04-27 22:36:34 -06:00
pathconfig.c gh-91985: Ensure in-tree builds override platstdlib_dir in every path calculation (GH-93641) 2022-06-20 11:37:27 -07:00
preconfig.c [3.11] bpo-40514: Drop EXPERIMENTAL_ISOLATED_SUBINTERPRETERS (gh-93185) (GH-93306) 2022-05-27 17:56:30 -07:00
pyarena.c bpo-43244: Remove the pyarena.h header (GH-25007) 2021-03-24 02:23:01 +01:00
pyctype.c
pyfpe.c bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507) 2022-01-13 09:46:04 +01:00
pyhash.c bpo-29410: Change the default hash algorithm to SipHash13. (GH-28752) 2021-10-10 17:29:46 +09:00
pylifecycle.c [3.11] bpo-40514: Drop EXPERIMENTAL_ISOLATED_SUBINTERPRETERS (gh-93185) (GH-93306) 2022-05-27 17:56:30 -07:00
pymath.c bpo-45440: Remove pymath.c fallbacks (GH-28977) 2021-10-15 19:45:34 +02:00
pystate.c GH-96754: Check whether the interpreter frame is complete before creating frame object. (GH-96776) (#96787) 2022-09-13 11:56:27 +01:00
pystrcmp.c bpo-41524: fix pointer bug in PyOS_mystr{n}icmp (GH-21845) 2020-08-27 14:45:25 +09:00
pystrhex.c gh-91768: C API no longer use "const PyObject*" type (#91769) 2022-04-21 22:07:19 +02:00
pystrtod.c bpo-45995: add "z" format specifer to coerce negative 0 to zero (GH-30049) 2022-04-11 15:34:18 +01:00
Python-ast.c [3.11] gh-95185: Check recursion depth in the AST constructor (GH-95186) (GH-95208) 2022-07-26 12:19:22 +02:00
Python-tokenize.c bpo-46613: Add PyType_GetModuleByDef to the public API (GH-31081) 2022-02-11 17:22:11 +01:00
pythonrun.c Use static inline function Py_EnterRecursiveCall() (#91988) 2022-05-04 13:30:23 +02:00
pytime.c gh-91731: Replace Py_BUILD_ASSERT() with static_assert() (#91730) 2022-04-20 19:26:40 +02:00
README
specialize.c [3.11] GH-95113: Don't use EXTENDED_ARG_QUICK in unquickened code (GH-95121) (GH-95143) 2022-07-22 11:56:10 -07:00
stdlib_module_names.h bpo-40059: Add tomllib (PEP-680) (GH-31498) 2022-03-08 09:26:13 +01:00
structmember.c bpo-44655: Include the name of the type in unset __slots__ attribute errors (GH-27199) 2021-07-17 00:34:46 +01:00
suggestions.c gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938) (#94000) 2022-06-20 15:47:41 +02:00
symtable.c bpo-46765: Replace Locally Cached Strings with Statically Initialized Objects (gh-31366) 2022-02-22 17:23:51 -07:00
sysmodule.c [3.11] gh-95853: Add script to automate WASM build (GH-95828, GH-95985, GH-96045, GH-96389, GH-96744) (GH-96749) 2022-09-13 12:06:39 +02:00
thread.c gh-96125: Fix sys.thread_info.name on pthread platforms (GH-96126) (#96128) 2022-08-21 17:37:15 +01:00
thread_nt.h bpo-46008: Move thread-related interpreter state into a sub-struct. (gh-29971) 2021-12-07 14:03:47 -07:00
thread_pthread.h [3.11] gh-95174: Add pthread stubs for WASI (GH-95234) (#95503) 2022-08-01 15:37:45 +01:00
thread_pthread_stubs.h [3.11] gh-95174: Add pthread stubs for WASI (GH-95234) (#95503) 2022-08-01 15:37:45 +01:00
traceback.c [3.11] gh-93883: elide traceback indicators when possible (GH-93994) (GH-94740) 2022-07-11 04:27:29 -07:00

README 

Miscellaneous source files for the main Python shared library