cpython

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Miss Islington (bot) ee7d2681f6 [3.13] gh-117657: Fix race involving GC and heap initialization (GH-119923) (#120038 )

The `_PyThreadState_Bind()` function is called before the first
`PyEval_AcquireThread()` so it's not synchronized with the stop the
world GC. We had a race where `gc_visit_heaps()` might visit a thread's
heap while it's being initialized.

Use a simple atomic int to avoid visiting heaps for threads that are not
yet fully initialized (i.e., before `tstate_mimalloc_bind()` is called).

The race was reproducible by running:
`python Lib/test/test_importlib/partial/pool_in_threads.py`.
(cherry picked from commit e69d068ad0)

Co-authored-by: Sam Gross <colesbury@gmail.com>

2024-06-04 14:08:10 +00:00

clinic

gh-111201: A new Python REPL (GH-111567)

2024-05-05 21:32:23 +02:00

frozen_modules

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_warnings.c

[3.13] gh-119049: Fix incorrect display of warning which is constructed by C API (GH-119063) (GH-119106)

2024-05-17 18:16:58 +03:00

adaptive.md

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asdl.c

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asm_trampoline.S

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assemble.c

gh-117494: extract the Instruction Sequence data structure into a separate file (#117496 )

2024-04-04 15:47:26 +00:00

ast_opt.c

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ast_unparse.c

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ast.c

gh-116126: Implement PEP 696 (#116129 )

2024-05-03 06:17:32 -07:00

bltinmodule.c

[3.13] gh-117657: Fix race involving immortalizing objects (GH-119927) (#120005 )

2024-06-03 22:21:32 +00:00

bootstrap_hash.c

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brc.c

gh-110481: Fix biased reference counting queue initialization. (#117271 )

2024-03-28 09:28:39 -04:00

bytecodes.c

[3.13] gh-119821: Support non-dict globals in LOAD_FROM_DICT_OR_GLOBALS (#119822 ) (#119889 )

2024-05-31 21:56:26 -07:00

ceval_gil.c

[3.13] gh-118727: Don't drop the GIL in drop_gil() unless the current thread holds it (GH-118745) (#119474 )

2024-05-23 21:27:38 +00:00

ceval_macros.h

gh-107674: Improve performance of sys.settrace (GH-117133)

2024-05-03 19:49:24 +01:00

ceval.c

[3.13] gh-118692: Avoid creating unnecessary StopIteration instances for monitoring (GH-119216) (#119497 )

2024-05-24 10:18:13 +00:00

codecs.c

gh-116738: Make _codecs module thread-safe (#117530 )

2024-05-02 18:25:36 -04:00

compile.c

[3.13] gh-119311: Fix name mangling with PEP 695 generic classes (#119464 ) (#119643 )

2024-05-28 11:03:33 -07:00

condvar.h

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config_common.h

gh-76785: Add PyInterpreterConfig Helpers (gh-117170)

2024-04-02 20:35:52 +00:00

context.c

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critical_section.c

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crossinterp_data_lookup.h

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crossinterp_exceptions.h

[3.13] gh-117398: Use Per-Interpreter State for the _datetime Static Types (gh-120009)

2024-06-03 23:37:28 +00:00

crossinterp.c

gh-76785: Handle Legacy Interpreters Properly (gh-117490)

2024-04-11 23:23:25 +00:00

dtoa.c

gh-91565: Replace bugs.python.org links with Devguide/GitHub ones (GH-91568)

2024-04-01 13:02:07 +00:00

dup2.c

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dynamic_annotations.c

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dynload_hpux.c

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dynload_shlib.c

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dynload_stub.c

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dynload_win.c

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emscripten_signal.c

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emscripten_trampoline.c

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errors.c

gh-118379: Use PyTuple_Pack instead of Py_BuildValue if possible (GH-118381)

2024-04-30 17:55:15 +03:00

executor_cases.c.h

[3.13] gh-119821: Support non-dict globals in LOAD_FROM_DICT_OR_GLOBALS (#119822 ) (#119889 )

2024-05-31 21:56:26 -07:00

fileutils.c

gh-118422: Fix run_fileexflags() test (#118429 )

2024-04-30 22:32:55 +02:00

flowgraph.c

gh-117494: extract the Instruction Sequence data structure into a separate file (#117496 )

2024-04-04 15:47:26 +00:00

formatter_unicode.c

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frame.c

gh-118272: set stacktop to 0 before freeing contents, to avoid access to invalid objects during GC (#118478 )

2024-05-01 21:51:40 +01:00

frozen.c

gh-108716: Cleanup remaining deepfreeze infrastructure (#116919 )

2024-03-18 11:13:11 -07:00

frozenmain.c

gh-105716: Fix _PyInterpreterState_IsRunningMain() For Embedders (gh-117140)

2024-03-21 18:20:20 -06:00

future.c

gh-118216: Don't consider dotted __future__ imports (#118267 )

2024-05-02 06:32:20 -07:00

gc_free_threading.c

[3.13] gh-117657: Fix race involving GC and heap initialization (GH-119923) (#120038 )

2024-06-04 14:08:10 +00:00

gc_gil.c

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gc.c

gh-110850: Remove _PyTime_TimeUnchecked() function (#118552 )

2024-05-05 12:15:19 +02:00

generated_cases.c.h

[3.13] gh-119821: Support non-dict globals in LOAD_FROM_DICT_OR_GLOBALS (#119822 ) (#119889 )

2024-05-31 21:56:26 -07:00

getargs.c

[3.13] gh-119213: Be More Careful About _PyArg_Parser.kwtuple Across Interpreters (gh-119331) (gh-119410)

2024-05-22 12:09:48 -06:00

getcompiler.c

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getcopyright.c

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getopt.c

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getplatform.c

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getversion.c

[3.13] gh-119132: Update sys.version to identify free-threaded or not. (gh-119134) (#119153 )

2024-05-18 16:49:11 -04:00

hamt.c

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hashtable.c

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import.c

[3.13] gh-119584: Fix test_import Failed Assertion (gh-119623) (gh-119633)

2024-05-27 20:04:13 +00:00

importdl.c

gh-117953: Imply Single-phase Init if the Init Function Fails (gh-118684)

2024-05-06 21:16:22 -06:00

initconfig.c

gh-118518: Rename PYTHONPERFJITSUPPORT and -X perfjit with underscores (#118693 )

2024-05-07 11:47:21 +00:00

instruction_sequence.c

gh-117680: Fix msvc warning in instruction_sequence.c (#118326 )

2024-04-26 17:20:30 +01:00

instrumentation.c

[3.13] gh-111997: Fix argument count for LINE event and clarify type of argument counts. (GH-119179) (GH-119575)

2024-05-26 12:59:29 +00:00

interpconfig.c

gh-76785: Fix a Refleak in _interpreters.new_config() (gh-117491)

2024-04-03 01:10:26 +00:00

intrinsics.c

gh-74929: Implement PEP 667 (GH-115153)

2024-05-04 12:12:10 +01:00

jit.c

[3.13] GH-118844: Fix build failures when combining --disable-gil with --enable-experimental-jit (GH-118959)

2024-05-13 04:53:30 +00:00

legacy_tracing.c

gh-107674: Lazy load line number to improve performance of tracing (GH-118127)

2024-04-29 09:54:52 +01:00

lock.c

gh-110850: Remove _PyTime_TimeUnchecked() function (#118552 )

2024-05-05 12:15:19 +02:00

marshal.c

gh-116322: Add Py_mod_gil module slot (#116882 )

2024-05-03 11:30:55 -04:00

modsupport.c

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mysnprintf.c

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mystrtoul.c

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object_stack.c

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opcode_targets.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

optimizer_analysis.c

gh-118335: Configure Tier 2 interpreter at build time (#118339 )

2024-04-30 18:26:34 -07:00

optimizer_bytecodes.c

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

optimizer_cases.c.h

[3.13] gh-119821: Support non-dict globals in LOAD_FROM_DICT_OR_GLOBALS (#119822 ) (#119889 )

2024-05-31 21:56:26 -07:00

optimizer_symbols.c

GH-118095: Unify the behavior of tier 2 FOR_ITER branch micro-ops (GH-118420)

2024-05-02 16:17:59 +01:00

optimizer.c

[3.13] gh-111389: Add PyHASH_MULTIPLIER constant (GH-119214) (#119334 )

2024-06-04 09:26:25 +02:00

parking_lot.c

[3.13] gh-117657: Avoid sem_clockwait in TSAN (GH-119915) (#119992 )

2024-06-03 18:07:22 +00:00

pathconfig.c

gh-117987: Restore several functions removed in Python 3.13 alpha 1 (GH-117993)

2024-04-18 15:20:38 +02:00

perf_jit_trampoline.c

[3.13] GH-118844: Fix build failures when combining --disable-gil with --enable-experimental-jit (GH-118959)

2024-05-13 04:53:30 +00:00

perf_trampoline.c

gh-118518: Allow perf to work without frame pointers (#112254 )

2024-05-05 03:07:29 +02:00

preconfig.c

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pyarena.c

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pyctype.c

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pyfpe.c

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pyhash.c

[3.13] gh-111389: Add PyHASH_MULTIPLIER constant (GH-119214) (#119334 )

2024-06-04 09:26:25 +02:00

pylifecycle.c

[3.13] gh-111499: Fix PYTHONMALLOCSTATS at Python exit (GH-120021) (#120022 )

2024-06-04 10:02:12 +00:00

pymath.c

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pystate.c

[3.13] gh-117657: Fix race involving GC and heap initialization (GH-119923) (#120038 )

2024-06-04 14:08:10 +00:00

pystrcmp.c

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pystrhex.c

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pystrtod.c

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Python-ast.c

[3.13] gh-118851: Default ctx arguments to AST constructors to Load() (GH-118854) (#118871 )

2024-05-09 22:52:42 +00:00

Python-tokenize.c

[3.13] gh-119704: Fix reference leak in the `Python/Python-tokenize.c` (GH-119705) (#119707 )

2024-05-29 07:26:13 +00:00

pythonrun.c

gh-111201: A new Python REPL (GH-111567)

2024-05-05 21:32:23 +02:00

pytime.c

gh-110850: Remove _PyTime_TimeUnchecked() function (#118552 )

2024-05-05 12:15:19 +02:00

qsbr.c

[3.13] gh-117657: Fix TSAN race in QSBR assertion (GH-119887) (#119904 )

2024-06-01 14:51:55 +00:00

README

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specialize.c

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

stdlib_module_names.h

gh-111201: A new Python REPL (GH-111567)

2024-05-05 21:32:23 +02:00

structmember.c

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suggestions.c

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symtable.c

[3.13] gh-119311: Fix name mangling with PEP 695 generic classes (#119464 ) (#119643 )

2024-05-28 11:03:33 -07:00

sysmodule.c

[3.13] gh-74929: PEP 667 C API documentation (gh-119892)

2024-06-01 04:23:04 +00:00

thread_nt.h

gh-110850: Use _PyDeadline_Get() in EnterNonRecursiveMutex() (#118556 )

2024-05-04 09:39:58 +02:00

thread_pthread_stubs.h

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thread_pthread.h

gh-110850: Remove _PyTime_TimeUnchecked() function (#118552 )

2024-05-05 12:15:19 +02:00

thread.c

gh-110850: Cleanup PyTime API: PyTime_t are nanoseconds (#115753 )

2024-02-21 11:46:00 +01:00

tier2_engine.md

Docs: fix spelling of the word 'transferring' (#116641 )

2024-03-13 23:53:32 +01:00

traceback.c

gh-117764: Fix and add signatures for many builtins (GH-117769)

2024-04-12 13:56:41 +03:00

tracemalloc.c

[3.13] gh-111389: Add PyHASH_MULTIPLIER constant (GH-119214) (#119334 )

2024-06-04 09:26:25 +02:00

vm-state.md

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README

Miscellaneous source files for the main Python shared library