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Victor StinnerandPetr Viktorin 8bcbcf8cfc gh-155742: Check singletons consistency at Python exit (#157572) 
In debug mode at Python exit, check if immutable singleton objects
have been modified by mistake to detect bugs in C extensions.

Add tests corrupting bytes, str, bool and int singleton objects.

Add pycore_global_objects_fini.h internal header file.
pycore_global_objects_fini_generated.h is now fully generated by the
script.

Co-authored-by: Petr Viktorin <encukou@gmail.com>
2026-09-17 16:03:45 +02:00
..
clinic
gh-157361: Implement anext() in Python instead of C (#157362)
2026-09-16 18:58:59 +05:30
frozen_modules
gh-97669: Create Tools/build/ directory (#97963)
2022-10-17 12:01:00 +02:00
_contextvars.c
gh-128341: Use _Py_ABI_SLOT in stdlib modules (#145770)
2026-03-24 17:47:55 +00:00
_warnings.c
gh-155952: Fix <unrepresentable> Argument Clinic defaults in several signatures (#155954)
2026-08-21 10:03:51 +01:00
asdl.c
bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933)
2021-03-23 20:47:40 +01:00
asm_trampoline_aarch64.S
gh-149800: Split perf trampoline assembly into per-architecture files (#149894)
2026-05-23 08:03:52 -04:00
asm_trampoline_riscv64.S
gh-149800: Split perf trampoline assembly into per-architecture files (#149894)
2026-05-23 08:03:52 -04:00
asm_trampoline_x86_64.S
gh-149800: Split perf trampoline assembly into per-architecture files (#149894)
2026-05-23 08:03:52 -04:00
assemble.c
gh-155742: Use PyBytesWriter in Python/assemble.c (#157349)
2026-09-14 23:52:44 +02:00
ast_preprocess.c
gh-143055: Implementation of PEP 798 (#143056)
2026-01-30 20:37:52 -08:00
ast_unparse.c
gh-143055: Fix crash in AST unparser when unparsing dict comprehension unpacking (#145556)
2026-03-09 10:37:23 -07:00
ast.c
gh-85260: Extend the AST Validator to validate all identifiers (GH-21069)
2026-08-13 08:28:05 +03:00
bltinmodule.c
gh-157361: Implement anext() in Python instead of C (#157362)
2026-09-16 18:58:59 +05:30
bootstrap_hash.c
gh-153400: Support os.getrandom() on old glibc versions (#155762)
2026-09-10 22:58:27 +02:00
brc.c
Fix typos in documentation and comments (#119763)
2024-06-04 10:22:22 +00:00
bytecodes.c
gh-155486: Allow non-compact integers in TO_BOOL_INT (GH-155531)
2026-08-13 12:29:18 +01:00
ceval_gil.c
gh-144748: Make PyErr_CheckSignals raise the exception scheduled by PyThreadState_SetAsyncExc (GH-145178)
2026-03-02 11:47:32 +01:00
ceval_macros.h
gh-129752: Don't update adaptive counters when TLBC=0 in free-threading. (gh-155497)
2026-08-13 00:12:39 +00:00
ceval.c
gh-152433: Windows: allow build `ceval.c` for UWP (#152689)
2026-09-11 12:16:27 +02:00
ceval.h
gh-142186: Allow all PEP-669 events to be per-code object and disableable (GH-146182)
2026-04-22 09:08:23 +01:00
codecs.c
gh-155742: Use PyBytesWriter in codecs (#155750)
2026-09-01 15:29:26 +02:00
codegen.c
gh-156091: Fix crash compiling deeply nested inlined comprehensions (#156957)
2026-09-05 16:01:05 +00:00
compile.c
gh-156459: Fix cleanup on error in compiler_set_qualname (#156462)
2026-08-29 12:22:25 +00:00
condvar.h
gh-104530: Enable native Win32 condition variables by default (GH-104531)
2024-02-02 13:50:51 +00:00
config_common.h
gh-76785: Add PyInterpreterConfig Helpers (gh-117170)
2024-04-02 20:35:52 +00:00
context.c
gh-155519: fix data-race for Context.ctx_vars (#155522)
2026-08-15 11:00:03 +05:30
critical_section.c
gh-150902: Optimize PyCriticalSection2 to skip locking the same locks held by the current CS2
2026-06-16 16:56:37 +00:00
crossinterp_data_lookup.h
gh-147960: Fix memory leak in crossinterp _tuple_shared() on alloc failure (#147961)
2026-04-01 18:34:55 +02:00
crossinterp_exceptions.h
gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135369)
2025-06-13 16:45:21 -06:00
crossinterp.c
gh-151842: Fix crash upon OOM in _interpreters.capture_exception (GH-151843)
2026-06-23 16:31:47 -04:00
dtoa.c
gh-145633: Remove support for ancient ARM platforms with mixed-endian doubles (#145634)
2026-03-11 12:39:24 +01:00
dup2.c
gh-108765: Python.h no longer includes <unistd.h> (#108783)
2023-09-02 16:50:18 +02:00
dynamic_annotations.c
bpo-32241: Add the const qualifire to declarations of umodifiable strings. (#4748)
2017-12-12 13:55:04 +02:00
dynload_hpux.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
dynload_shlib.c
gh-122931: Allow stable abi3 API extensions to include a multiarch tuple in the filename (GH-152461)
2026-07-27 15:05:40 +02:00
dynload_stub.c
gh-88402: Add new sysconfig variables on Windows (GH-110049)
2023-10-04 22:50:29 +00:00
dynload_win.c
gh-152433: Windows: make `dynload_win.c` UWP compatible (#152797)
2026-09-11 15:35:34 +02:00
emscripten_signal.c
GH-108614: Unbreak emscripten build (GH-109132)
2023-09-08 17:54:45 +01:00
emscripten_syscalls.c
gh-156780: Emscripten: add missing EM_JS_DEPS (#156798)
2026-09-08 15:26:48 +08:00
emscripten_trampoline_inner.c
gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470)
2025-09-17 15:33:55 +01:00
emscripten_trampoline.c
gh-156780: Emscripten: drop the trampoline's dependence on exports (#157238)
2026-09-11 09:22:36 +08:00
errors.c
gh-153569: Unify tokenizer input readers (#156472)
2026-08-28 17:26:05 +02:00
executor_cases.c.h
gh-155486: Allow non-compact integers in TO_BOOL_INT (GH-155531)
2026-08-13 12:29:18 +01:00
fileutils.c
gh-87587: Fix os.device_encoding() for any console on Windows (GH-155410)
2026-08-29 21:15:25 +03:00
flowgraph.c
gh-148817: Fold long lists/sets of constant elements into constant tuples/frozensets (#149016)
2026-08-16 15:38:53 +03:00
frame.c
gh-144446: Fix thread safety of gi_frame, cr_frame and ag_frame in free-threading (#156037)
2026-09-02 23:26:04 +05:30
frozen.c
gh-157361: Implement anext() in Python instead of C (#157362)
2026-09-16 18:58:59 +05:30
frozenmain.c
Use PyConfig_Get() in frozenmain.c (#137421)
2025-08-06 14:33:28 +02:00
future.c
gh-126139: Improve error message location for future statement with unknown feature (#126140)
2024-10-29 23:57:59 +00:00
gc_free_threading.c
gh-156395: Report frozen objects on free-threaded GC build (#156396)
2026-08-26 07:29:09 -07:00
gc_gil.c
gh-100240: Use a consistent implementation for freelists (#121934)
2024-07-22 12:08:27 -04:00
gc.c
gh-146527: Fix memory leak in _PyGC_Fini() (#150969)
2026-06-05 13:43:05 +00:00
generated_cases.c.h
gh-155486: Allow non-compact integers in TO_BOOL_INT (GH-155531)
2026-08-13 12:29:18 +01:00
getargs.c
gh-146615: Fix format specifiers in Python/ directory (GH-146619)
2026-03-31 10:59:17 +03:00
getcompiler.c
gh-141341: Rename COMPILER macro to _Py_COMPILER on Windows (#141342)
2025-11-10 15:50:51 +01:00
getcopyright.c
gh-126133: Only use start year in PSF copyright, remove end years (#126236)
2024-11-12 15:59:19 +02:00
getopt.c
GH-133336: Remove reserved `-J` flag for Jython (#133444)
2025-05-05 15:09:19 +00:00
getplatform.c
bpo-32150: Expand tabs to spaces in C files. (#4583)
2017-11-28 17:56:10 +02:00
getversion.c
gh-119132: Remove "experimental" tag from the CPython free-threading. (gh-135550)
2025-06-16 23:32:52 +09:00
hamt.c
gh-155515: Use GC tracking for HAMT iterators (#155517)
2026-08-13 17:45:02 +05:30
hashtable.c
gh-111545: Add Py_HashPointer() function (#112096)
2023-12-06 15:09:22 +01:00
import.c
gh-156126: Fix crash in -X importtime with unencodable module names (#156137)
2026-08-23 10:32:56 +03:00
importdl.c
gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605)
2025-11-26 14:12:49 +01:00
index_pool.c
gh-91048: Refactor and optimize remote debugging module (#134652)
2025-05-25 20:19:29 +00:00
initconfig.c
gh-86427: Use the console code page for the stdio encoding on Windows (GH-155415)
2026-08-29 22:17:43 +03:00
instruction_sequence.c
GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)
2026-01-16 09:11:58 +00:00
instrumentation.c
gh-151524: Make it clearer that _PyInstrumentation_DISABLE is immortal in the code (GH-151525)
2026-08-07 11:34:10 -04:00
interpconfig.c
gh-146615: Fix format specifiers in Python/ directory (GH-146619)
2026-03-31 10:59:17 +03:00
intrinsics.c
gh-154902: Add an intrinsic for conditional annotations (#155026)
2026-08-05 07:26:20 -07:00
jit_publish.c
GH-126910: Add GNU backtrace support for unwinding JIT frames (#149104)
2026-05-05 09:29:07 +01:00
jit_unwind.c
gh-139808: Add branch protections for aarch64 in asm_trampoline.S (#130864)
2026-05-12 15:42:44 +00:00
jit.c
GH-148960: Reduce the size of the debug stencils to less than half. (GH-150551)
2026-06-01 17:56:16 +01:00
legacy_tracing.c
gh-148037: remove critical section from PyCode_Addr2Line (#148103)
2026-04-10 17:58:17 +05:30
lock.c
gh-145685: Remove _PySeqLock that is not used anymore (gh-155243)
2026-08-05 21:59:28 -04:00
marshal.c
gh-128509: Use bytes singletons in marshal (#157398)
2026-09-13 12:11:07 +00:00
modsupport.c
gh-146636: Py_mod_abi mandatory for modules created from slots array (GH-146855)
2026-04-02 13:54:21 +02:00
mysnprintf.c
Add a warning message about PyOS_snprintf (#95993)
2022-10-07 11:49:53 -07:00
mystrtoul.c
gh-108765: Python.h no longer includes <ctype.h> (#108831)
2023-09-03 18:54:27 +02:00
object_stack.c
gh-100240: Use a consistent implementation for freelists (#121934)
2024-07-22 12:08:27 -04:00
opcode_targets.h
gh-145855: Remove the DELETE_ATTR bytecode (GH-146216)
2026-07-06 10:41:47 +01:00
optimizer_analysis.c
gh-145235: Make dict watcher API thread-safe for free-threaded builds (gh-145233)
2026-05-11 11:39:55 -04:00
optimizer_bytecodes.c
gh-155486: Allow non-compact integers in TO_BOOL_INT (GH-155531)
2026-08-13 12:29:18 +01:00
optimizer_cases.c.h
gh-155486: Allow non-compact integers in TO_BOOL_INT (GH-155531)
2026-08-13 12:29:18 +01:00
optimizer_symbols.c
gh-146261: JIT: protect against function version changes (#146300)
2026-04-13 02:23:47 +08:00
optimizer.c
gh-154014: Initialize cold executor vm_data fields (GH-154142)
2026-07-22 10:17:47 +01:00
parking_lot.c
gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852)
2026-04-22 14:31:19 -04:00
pathconfig.c
gh-133644: Remove deprecated Python initialization getter functions (#133661)
2025-05-09 11:39:23 +00:00
perf_jit_trampoline.c
gh-153400: Use glibc functions instead of syscall() (#155518)
2026-08-13 12:44:45 +02:00
perf_trampoline.c
gh-149156: Fix perf trampoline crash after fork (#150347)
2026-05-25 13:45:58 +01:00
preconfig.c
gh-146302: make Py_IsInitialized() thread-safe and reflect true init completion (GH-146303)
2026-04-11 21:54:23 +00:00
pyarena.c
Chore: Fix typo in pyarena.c (#126527)
2024-11-07 16:37:41 +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
gh-141226: Deprecate PEP-456 support for embedders (#141287)
2026-02-21 12:42:13 +01:00
pylifecycle.c
gh-155742: Check singletons consistency at Python exit (#157572)
2026-09-17 16:03:45 +02:00
pymath.c
bpo-45440: Remove pymath.c fallbacks (GH-28977)
2021-10-15 19:45:34 +02:00
pystate.c
gh-155725: Remove PyGILState_Ensure usage from tracemalloc (#156409)
2026-08-30 13:04:55 +05:30
pystats.c
gh-145685: per-type method cache implementation (#150160)
2026-07-21 14:11:22 +05:30
pystrcmp.c
gh-108767: Replace ctype.h functions with pyctype.h functions (#108772)
2023-09-01 18:36:53 +02:00
pystrhex.c
gh-149685: Use the _Py prefix for private C macros (GH-149686)
2026-05-13 19:14:05 +02:00
pystrtod.c
gh-141004: soft-deprecate Py_INFINITY macro (#141033)
2025-11-12 13:44:49 +01:00
Python-ast.c
gh-156909: Fix AST.__repr__ call getting the _fields attribute (GH-157490)
2026-09-15 08:26:26 +02:00
Python-tokenize.c
gh-153569: hide tokenizer state behind token and source operations (#156654)
2026-09-12 14:30:00 +01:00
pythonrun.c
gh-152132: Test Py_CompileString() in test_capi.test_run (#153470)
2026-07-10 03:36:31 +02:00
pytime.c
gh-152849: Fix OverflowError message for out-of-range timestamps in the time module (#152850)
2026-07-06 16:50:15 +02:00
qsbr.c
gh-144438: Fix false sharing between QSBR and tlbc_index (gh-144554)
2026-02-17 11:12:25 -05:00
README
Issue #18093: Factor out the programs that embed the runtime
2014-07-25 21:52:14 +10:00
record_functions.c.h
gh-149358: Generating JIT recorder transformers and stabilizing family layouts (GH-149359)
2026-05-21 17:06:52 +01:00
remote_debug.h
Remote Debugging: silence some unused function warnings (#149898)
2026-08-19 21:28:43 +01:00
remote_debugging.c
gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137)
2025-12-06 22:37:34 +00:00
slots_generated.c
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
slots.c
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
slots.toml
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
specialize.c
gh-152075: Avoid lock contention in _Py_Specialize_LoadGlobal under free threading (gh-153720)
2026-07-31 01:28:20 +00:00
stackrefs.c
gh-131527: Stackref debug borrow checker (#140599)
2025-11-05 11:12:56 -08:00
stdlib_module_names.h
gh-157361: Implement anext() in Python instead of C (#157362)
2026-09-16 18:58:59 +05:30
structmember.c
gh-146270: Fix PyMember_SetOne(..., NULL) not being atomic (gh-148800)
2026-05-06 09:50:24 -04:00
suggestions.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
symtable.c
gh-156525: fix a few error path scope management bugs in symtable (#156526)
2026-08-28 19:10:37 +01:00
sysmodule.c
gh-157247: Block perf trampoline activation when the main interpreter's JIT is enabled (#157258)
2026-09-11 19:07:26 +05:30
thread_nt.h
gh-134745: Remove dead code in thread_nt.h left by gh-134747 (#154338)
2026-07-25 00:33:29 +02:00
thread_pthread_stubs.h
gh-125161: return non zero value in pthread_self on wasi (#125303)
2024-10-13 20:59:41 +05:30
thread_pthread.h
gh-153400: Use glibc functions instead of syscall() (#155518)
2026-08-13 12:44:45 +02:00
thread.c
gh-134745: Use "pymutex" for sys.thread_info on Windows (#141140)
2025-11-06 16:10:39 +01:00
tier2_engine.md
Docs: fix spelling of the word 'transferring' (#116641)
2024-03-13 23:53:32 +01:00
traceback.c
gh-153569: Unify tokenizer input readers (#156472)
2026-08-28 17:26:05 +02:00
tracemalloc.c
gh-155725: Remove PyGILState_Ensure usage from tracemalloc (#156409)
2026-08-30 13:04:55 +05:30
typecache.c
gh-145685: per-type method cache implementation (#150160)
2026-07-21 14:11:22 +05:30
uniqueid.c
gh-128923: Use zero to indicate unassigned unique id (#128925)
2025-01-17 16:42:27 +01:00
vm-state.md
gh-133079: Remove Py_C_RECURSION_LIMIT & PyThreadState.c_recursion_remaining (GH-133080)
2025-04-29 12:56:20 +02:00

README 

Miscellaneous source files for the main Python shared library
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