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cpython/Include/internal
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Vasiliy Kiryanov 2791c35cae gh-136872: Build pymalloc in sanitizer builds, but disable it by default (GH-157934) 
--with-*address-sanitizer and --with-memory-sanitizer unconditionally
disabled pymalloc (even when --with-pymalloc was given explicitly).

Enable it, so that it's available with `PYTHONMALLOC=pymalloc`.
Disable it by default on the affected sanitizer builds.
2026-10-07 18:05:37 +02:00
..
mimalloc
gh-144490: Fix mimalloc debug build for C++ (#144620)
2026-02-10 11:56:52 +01:00
pycore_abstract.h
GH-143732: SEND specialization (GH-148963)
2026-05-05 15:19:16 +01:00
pycore_asdl.h
gh-87347: Add parenthesis around macro arguments (#93915)
2022-06-20 16:04:52 +02:00
pycore_ast_state.h
gh-116021: Deprecate support for instantiating abstract AST nodes (#137865)
2026-05-02 09:50:06 -07:00
pycore_ast.h
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
pycore_atexit.h
gh-131238: Remove pycore_lock.h includes (#131483)
2025-03-19 23:46:25 +00:00
pycore_audit.h
gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605)
2024-10-18 09:26:08 -06:00
pycore_backoff.h
gh-129752: Don't update adaptive counters when TLBC=0 in free-threading. (gh-155497)
2026-08-13 00:12:39 +00:00
pycore_bitutils.h
gh-108216: Cleanup #include in internal header files (#108228)
2023-08-21 18:05:59 +00:00
pycore_blocks_output_buffer.h
gh-148688: Fix _BlocksOutputBuffer_Finish() double free (#148689)
2026-04-18 09:56:56 +00:00
pycore_brc.h
gh-131238: Remove pycore_lock.h includes (#131483)
2025-03-19 23:46:25 +00:00
pycore_bytes_methods.h
gh-71679: Share the repr implementation between bytes and bytearray (GH-138181)
2025-09-17 11:10:29 +03:00
pycore_bytesobject.h
gh-158219: Fix bytearray constructor to not use hashed object (#158329)
2026-09-29 11:31:54 +02:00
pycore_c_array.h
gh-130080: move _Py_EnsureArrayLargeEnough to a separate header so it can be used outside of the compiler (#130930)
2025-03-13 16:02:58 +00:00
pycore_call.h
gh-151157: Speed up PyObject_CallMethod via _PyObject_GetMethod (#151158)
2026-10-05 18:44:28 +00:00
pycore_capsule.h
gh-108240: Add pycore_capsule.h internal header file (#108596)
2023-08-29 01:20:02 +00:00
pycore_cell.h
gh-144490: Fix C++ compatibility in pycore_cell.h (GH-144482)
2026-02-06 22:11:58 -05:00
pycore_ceval_state.h
gh-131238: Remove pycore_lock.h includes (#131483)
2025-03-19 23:46:25 +00:00
pycore_ceval.h
gh-144712: Export _Py_jit_entry symbol via PyAPI_DATA (#145840)
2026-09-17 14:47:16 +01:00
pycore_code.h
gh-155742: Get PyBytes_AS_STRING() as const char* (#155751)
2026-08-14 12:00:45 +00:00
pycore_codecs.h
gh-62259: Add support of multi-byte encodings in the XML parser (GH-149860)
2026-05-26 19:40:25 +00:00
pycore_compile.h
gh-124697: Represent inlined comprehensions as subscopes in the symbol table (#156819)
2026-09-23 20:31:57 +01:00
pycore_complexobject.h
gh-128813: hide mixed-mode functions for complex arithmetic from C-API (#131703)
2025-04-22 14:18:18 +02:00
pycore_condvar.h
gh-131082: Add missing guards for WIN32_LEAN_AND_MEAN (#131044)
2025-03-11 12:33:01 +01:00
pycore_context.h
gh-140414: streamline thread state access in asyncio (#142742)
2025-12-15 16:57:51 +05:30
pycore_critical_section.h
gh-150902: Optimize PyCriticalSection2 to skip locking the same locks held by the current CS2
2026-06-16 16:56:37 +00:00
pycore_crossinterp_data_registry.h
gh-132775: Support Fallbacks in _PyObject_GetXIData() (gh-133482)
2025-05-21 07:23:48 -06:00
pycore_crossinterp.h
gh-148072: Cache pickle.dumps/loads per interpreter in XIData (GH-148125)
2026-04-06 11:37:02 -04:00
pycore_debug_offsets.h
gh-151613: Fix remote debugging frame cache ABA (#151614)
2026-06-27 16:56:31 +00:00
pycore_descrobject.h
gh-41779: Allow defining any __slots__ for a class derived from tuple (GH-141763)
2026-01-06 11:36:00 +02:00
pycore_dict_state.h
gh-145235: Make dict watcher API thread-safe for free-threaded builds (gh-145233)
2026-05-11 11:39:55 -04:00
pycore_dict.h
gh-142349: Simplify lazy import resolution (#158282)
2026-10-01 16:20:45 +00:00
pycore_dtoa.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_emscripten_signal.h
GH-108614: Unbreak emscripten build (GH-109132)
2023-09-08 17:54:45 +01:00
pycore_emscripten_trampoline.h
gh-145037: Fix Emscripten trampoline with emcc >= 4.0.19 (#145038)
2026-02-26 06:21:05 +08:00
pycore_exceptions.h
gh-129668: Fix thread-safety of MemoryError freelist in free threaded build (gh-129704)
2025-02-06 12:38:12 -05:00
pycore_faulthandler.h
gh-149085: Add max_threads keyword to faulthandler.dump_traceback() (GH-149106)
2026-04-30 09:27:57 -04:00
pycore_fileutils_windows.h
gh-152433: Use regular LoadLibrary in UWP for Windows system libs (GH-156972)
2026-09-08 16:51:25 +01:00
pycore_fileutils.h
Rework locale encoding C functions (#158680)
2026-10-04 23:22:18 +02:00
pycore_floatobject.h
gh-145633: Remove support for ancient ARM platforms with mixed-endian doubles (#145634)
2026-03-11 12:39:24 +01:00
pycore_flowgraph.h
GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)
2026-01-16 09:11:58 +00:00
pycore_format.h
gh-104018: remove unused format "z" handling in string formatfloat() (#104107)
2023-05-07 10:11:42 +05:30
pycore_frame.h
gh-102960: Make frames weak-referenceable (#152838)
2026-07-15 01:58:14 +02:00
pycore_freelist_state.h
gh-129813, PEP 782: Add PyBytesWriter C API (#138822)
2025-09-12 13:41:59 +02:00
pycore_freelist.h
gh-140544: store pointer to interpreter state as a thread local for fast access (#140573)
2025-10-25 19:56:07 +05:30
pycore_function.h
gh-148659: Export some internal functions for the JIT (PEP-523) (#148634)
2026-04-17 01:55:03 +02:00
pycore_gc.h
gh-150766: export _PyGC_VisitFrameStack and _PyGC_VisitStackRef functions (#150767)
2026-06-02 18:38:21 +05:30
pycore_genobject.h
gh-64862: Add the stop_exception parameter in iter() and aiter() (GH-156298)
2026-09-01 15:55:32 +03:00
pycore_getopt.h
Cleanup Python/getopt.c: add _PyOS_GetOpt structure (#158362)
2026-10-01 14:58:55 +00:00
pycore_gil.h
gh-116322: Enable the GIL while loading C extension modules (#118560)
2024-05-06 23:07:23 -04:00
pycore_global_objects_fini_generated.h
gh-154194: Degrade frames in Tachyon instead of failing the sample (#154195)
2026-10-05 00:37:21 +00:00
pycore_global_objects_fini.h
gh-155742: Check singletons consistency at Python exit (#157572)
2026-09-17 16:03:45 +02:00
pycore_global_objects.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_global_strings.h
gh-154194: Degrade frames in Tachyon instead of failing the sample (#154195)
2026-10-05 00:37:21 +00:00
pycore_hamt.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_hashtable.h
gh-107211: No longer export internal functions (5) (#108423)
2023-08-24 16:06:53 +00:00
pycore_import.h
gh-158140: Resolve lazily imported sibling submodules independently (#158521)
2026-10-02 19:20:04 +02:00
pycore_importdl.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
pycore_index_pool.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_initconfig.h
gh-158080: Py_InitializeFromConfig() no longer exits Python (#158085)
2026-09-25 11:34:05 +00:00
pycore_instruction_sequence.h
GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)
2026-01-16 09:11:58 +00:00
pycore_instruments.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
pycore_interp_structs.h
gh-155811: Add a seqcount to gc_stats to prevent torn reads (#155828)
2026-10-05 01:49:56 +00:00
pycore_interp.h
gh-131238: Remove includes from pycore_interp.h (#131495)
2025-03-20 11:35:23 +00:00
pycore_interpframe_structs.h
gh-120321: fix thread safety of concurrently iterating over async generators (#155025)
2026-08-19 08:55:00 +05:30
pycore_interpframe.h
gh-144446: Fix _PyFrame_GetFrameObject() for test_cppext (C++) (#156893)
2026-09-03 16:17:07 +02:00
pycore_interpolation.h
gh-132661: Implement PEP 750 (#132662)
2025-04-30 11:46:41 +02:00
pycore_intrinsics.h
gh-138912: Add fast path for match class patterns without sub-patterns (#144820)
2026-09-26 13:00:10 -07:00
pycore_iterobject.h
gh-64862: Add the stop_exception parameter in iter() and aiter() (GH-156298)
2026-09-01 15:55:32 +03:00
pycore_jit_publish.h
GH-126910: Add GNU backtrace support for unwinding JIT frames (#149104)
2026-05-05 09:29:07 +01:00
pycore_jit_unwind.h
gh-149685: Use the _Py prefix for private C macros (GH-149686)
2026-05-13 19:14:05 +02:00
pycore_jit.h
GH-148960: Reduce the size of the debug stencils to less than half. (GH-150551)
2026-06-01 17:56:16 +01:00
pycore_lazyimportobject.h
gh-158140: Resolve lazily imported sibling submodules independently (#158521)
2026-10-02 19:20:04 +02:00
pycore_list.h
gh-100239: Specialize more binary operations using BINARY_OP_EXTEND (GH-128956)
2026-04-16 09:22:41 +01:00
pycore_llist.h
gh-111964: Implement stop-the-world pauses (gh-112471)
2024-01-23 11:08:23 -07:00
pycore_lock.h
gh-145685: Remove _PySeqLock that is not used anymore (gh-155243)
2026-08-05 21:59:28 -04:00
pycore_long.h
gh-143050: Add helper _PyLong_InitTag() (#147956)
2026-04-01 21:42:10 +00:00
pycore_magic_number.h
gh-138912: Bump magic number post GH-144820 (#158258)
2026-09-27 02:27:46 +00:00
pycore_memoryobject.h
gh-132776: Revert Moving memoryview XIData Code to memoryobject.c (gh-132960)
2025-04-25 16:43:50 +00:00
pycore_mimalloc.h
gh-122584: Import mimalloc headers in a C++ context (#122587)
2024-08-15 09:01:01 -04:00
pycore_mmap.h
gh-149685: Use the _Py prefix for private C macros (GH-149686)
2026-05-13 19:14:05 +02:00
pycore_modsupport.h
gh-157407: Argument Clinic: parse positional-only defining_class methods without _PyArg_Parser (#157483)
2026-09-27 21:31:22 +00:00
pycore_moduleobject.h
gh-145921: Add "_DuringGC" functions for tp_traverse (GH-145925)
2026-04-08 09:15:11 +02:00
pycore_namespace.h
gh-107211: No longer export internal functions (4) (#107217)
2023-07-25 03:16:28 +00:00
pycore_object_alloc.h
gh-112529: Use GC heaps for GC allocations in free-threaded builds (gh-114157)
2024-01-21 01:14:45 +09:00
pycore_object_deferred.h
gh-117139: Convert the evaluation stack to stack refs (#118450)
2024-06-27 03:10:43 +08:00
pycore_object_stack.h
gh-125859: Fix crash when gc.get_objects is called during GC (#125882)
2024-10-24 09:33:11 -04:00
pycore_object_state.h
gh-125604: Move _Py_AuditHookEntry, etc. Out of pycore_runtime.h (gh-125605)
2024-10-18 09:26:08 -06:00
pycore_object.h
gh-157526: Call __instancecheck__ and __subclasscheck__ without creating a bound method (#157670)
2026-09-22 11:16:30 +05:30
pycore_obmalloc_init.h
gh-113055: Use pointer for interp->obmalloc state (gh-113412)
2024-01-26 19:38:14 -08:00
pycore_obmalloc.h
Note out-of-date obmalloc comments (#148149)
2026-04-06 23:08:47 -05:00
pycore_opcode_metadata.h
gh-142349: Simplify lazy import resolution (#158282)
2026-10-01 16:20:45 +00:00
pycore_opcode_utils.h
gh-148871: Add CONSTANT_EMPTY_TUPLE to LOAD_COMMON_CONSTANT (GH-149688)
2026-05-21 15:54:46 +01:00
pycore_optimizer_types.h
gh-157468: Validate correct builtins used under JIT (GH-157766)
2026-10-01 12:15:51 +01:00
pycore_optimizer.h
gh-154701: prevent executor self-links in JIT cold exits (GH-155323)
2026-08-13 12:23:45 +01:00
pycore_parking_lot.h
gh-110850: Cleanup pycore_time.h includes (#115724)
2024-02-20 16:50:43 +00:00
pycore_parser.h
gh-122581: Use parser mutex in default build for subinterpreters (gh-142959)
2025-12-20 15:37:31 -05:00
pycore_pathconfig.h
gh-107211: No longer export internal functions (6) (#108424)
2023-08-24 17:28:35 +02:00
pycore_pyarena.h
gh-107211: Fix test_peg_generator (#108435)
2023-08-24 17:47:44 +00:00
pycore_pyatomic_ft_wrappers.h
gh-145235: Make dict watcher API thread-safe for free-threaded builds (gh-145233)
2026-05-11 11:39:55 -04:00
pycore_pybuffer.h
gh-76785: Rename _xxsubinterpreters to _interpreters (gh-117791)
2024-04-24 16:18:24 +00:00
pycore_pyerrors.h
gh-150459: Fix SyntaxError message for from x lazy import y (#150877)
2026-07-04 14:17:58 +01:00
pycore_pyhash.h
gh-149018: Use XML_SetHashSalt16Bytes in pyexpat/_elementtree when possible (#149023)
2026-05-10 18:36:26 +01:00
pycore_pylifecycle.h
gh-158445: Allocate memory in the heap in Py_GetVersion() (#158608)
2026-10-03 15:15:08 +02:00
pycore_pymath.h
gh-145633: Remove support for ancient ARM platforms with mixed-endian doubles (#145634)
2026-03-11 12:39:24 +01:00
pycore_pymem_init.h
gh-136872: Build pymalloc in sanitizer builds, but disable it by default (GH-157934)
2026-10-07 18:05:37 +02:00
pycore_pymem.h
gh-116008: Detect freed thread state in faulthandler (#141988)
2025-11-27 12:35:00 +01:00
pycore_pystate.h
gh-158165: Fix _Py_get_machine_stack_pointer() compilation with MinGW (#158167)
2026-10-02 14:05:24 +09:00
pycore_pystats.h
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
pycore_pythonrun.h
gh-152132: Test Py_CompileString() in test_capi.test_run (#153470)
2026-07-10 03:36:31 +02:00
pycore_pythread.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_qsbr.h
gh-144438: Fix false sharing between QSBR and tlbc_index (gh-144554)
2026-02-17 11:12:25 -05:00
pycore_range.h
gh-89189: More compact range iterator (GH-27986)
2022-11-30 23:04:30 +02:00
pycore_runtime_init_generated.h
gh-154194: Degrade frames in Tachyon instead of failing the sample (#154195)
2026-10-05 00:37:21 +00:00
pycore_runtime_init.h
GH-148726: Forward-port generational GC. (GH-148746)
2026-04-30 12:19:13 -07:00
pycore_runtime_structs.h
gh-146302: make Py_IsInitialized() thread-safe and reflect true init completion (GH-146303)
2026-04-11 21:54:23 +00:00
pycore_runtime.h
gh-146302: make Py_IsInitialized() thread-safe and reflect true init completion (GH-146303)
2026-04-11 21:54:23 +00:00
pycore_semaphore.h
gh-137433: Fix deadlock with stop-the-world and daemon threads (gh-137735)
2025-09-16 09:21:58 +01:00
pycore_setobject.h
gh-150027: Avoid copying during construction of frozenset objects (GH-150028)
2026-05-19 13:57:37 -04:00
pycore_signal.h
gh-109693: Use pyatomic.h for signal module (gh-110480)
2023-10-10 08:26:29 +09:00
pycore_sliceobject.h
gh-145192: improve performance of PySequence_GetSlice (#145193)
2026-05-23 15:45:50 +05:30
pycore_slots_generated.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
pycore_slots.h
gh-149044: Implement PEP 820 – PySlot: Unified slot system for the C API (GH-149055)
2026-05-05 09:18:04 +02:00
pycore_stackref.h
gh-148871: make LOAD_COMMON_CONSTANT use immortal stackref borrows (GH-149625)
2026-05-28 12:27:37 +01:00
pycore_stats.h
gh-131253: free-threaded build support for pystats (gh-137189)
2025-11-03 11:36:37 -08:00
pycore_strhex.h
gh-147944: Increase range of bytes_per_sep (GH-147946)
2026-04-01 08:33:30 +00:00
pycore_structs.h
GH-131498: Cases generator: manage stacks automatically (GH-132074)
2025-04-04 17:59:36 +01:00
pycore_structseq.h
gh-107211: No longer export internal functions (4) (#107217)
2023-07-25 03:16:28 +00:00
pycore_symtable.h
gh-124697: Represent inlined comprehensions as subscopes in the symbol table (#156819)
2026-09-23 20:31:57 +01:00
pycore_sysmodule.h
gh-152132: Enhance Py_RunMain() and fix bugs (#153461)
2026-07-10 01:29:53 +02:00
pycore_template.h
gh-132661: Implement PEP 750 (#132662)
2025-04-30 11:46:41 +02:00
pycore_time.h
Remove internal _PyTime_AsLong() function (#141053)
2025-11-05 18:37:06 +01:00
pycore_token.h
gh-151464: exclude '<>' token from tokenize output (#154854)
2026-09-25 19:51:59 +01:00
pycore_traceback.h
gh-145559: Add PyUnstable_DumpTraceback() and PyUnstable_DumpTracebackThreads() (#148145)
2026-05-06 15:01:12 +00:00
pycore_tracemalloc.h
gh-155725: Remove PyGILState_Ensure usage from tracemalloc (#156409)
2026-08-30 13:04:55 +05:30
pycore_tstate.h
gh-142349: Simplify lazy import resolution (#158282)
2026-10-01 16:20:45 +00:00
pycore_tuple.h
gh-100239: expose sq_repeat helpers for BINARY_OP_EXTEND (#148791)
2026-05-08 11:12:20 +00:00
pycore_typecache.h
gh-145685: per-type method cache implementation (#150160)
2026-07-21 14:11:22 +05:30
pycore_typedefs.h
gh-130931: Add pycore_typedefs.h internal header (#131396)
2025-03-19 15:23:32 +01:00
pycore_typeobject.h
gh-145685: per-type method cache implementation (#150160)
2026-07-21 14:11:22 +05:30
pycore_typevarobject.h
gh-119180: Add evaluate functions for type params and type aliases (#122212)
2024-07-27 17:24:10 +00:00
pycore_ucnhash.h
gh-111972: Make Unicode name C APIcapsule initialization thread-safe (#112249)
2023-11-30 11:12:49 +01:00
pycore_unicodectype.h
gh-129117: Add unicodedata.isxidstart() function (#140269)
2025-10-30 10:18:12 +00:00
pycore_unicodeobject_generated.h
gh-154194: Degrade frames in Tachyon instead of failing the sample (#154195)
2026-10-05 00:37:21 +00:00
pycore_unicodeobject.h
gh-157407: Use _PyUnicode_AsUTF8NoNUL for AC 's' and 'z' converters (#158210)
2026-10-05 17:03:27 +00:00
pycore_unionobject.h
gh-105499: Merge typing.Union and types.UnionType (#105511)
2025-03-04 11:44:19 -08:00
pycore_uniqueid.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_uop_ids.h
gh-157468: Validate correct builtins used under JIT (GH-157766)
2026-10-01 12:15:51 +01:00
pycore_uop_metadata.h
gh-142349: Simplify lazy import resolution (#158282)
2026-10-01 16:20:45 +00:00
pycore_uop.h
GH-148960: Reduce the size of the debug stencils to less than half. (GH-150551)
2026-06-01 17:56:16 +01:00
pycore_warnings.h
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
pycore_weakref.h
gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614)
2025-06-30 11:14:31 +00:00