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Dino Viehland 4850410b60
gh-112075: Add try-incref functions from nogil branch for use in dict thread safety (#114512) 
* Bring in a subset of biased reference counting:
b6b12a9a94

The NoGIL branch has functions for attempting to do an incref on an object which may or may not be in flight. This just brings those functions over so that they will be usable from in the dict implementation to get items w/o holding a lock.

There's a handful of small simple modifications:

    Adding inline to the force inline functions to avoid a warning, and switching from _Py_ALWAYS_INLINE to Py_ALWAYS_INLINE as that's available
    Remove _Py_REF_LOCAL_SHIFT as it doesn't exist yet (and is currently 0 in the 3.12 nogil branch anyway)
    ob_ref_shared is currently Py_ssize_t and not uint32_t, so use that
    _PY_LIKELY doesn't exist, so drop it
    _Py_ThreadLocal becomes _Py_IsOwnedByCurrentThread
    Add '_PyInterpreterState_GET()' to _Py_IncRefTotal calls.


Co-Authored-By: Sam Gross <colesbury@gmail.com>
2024-01-25 09:34:03 -08:00
..
mimalloc gh-112532: Improve mimalloc page visiting (#114133) 2024-01-22 13:10:21 -08:00
pycore_abstract.h gh-106320: Remove private AC converter functions (#108505) 2023-08-26 04:05:17 +02:00
pycore_asdl.h gh-87347: Add parenthesis around macro arguments (#93915) 2022-06-20 16:04:52 +02:00
pycore_ast.h gh-108216: Cleanup #include in internal header files (#108228) 2023-08-21 18:05:59 +00:00
pycore_ast_state.h gh-106905: Use separate structs to track recursion depth in each PyAST_mod2obj call. (GH-113035) 2023-12-25 19:36:59 +02:00
pycore_atexit.h gh-111924: Use PyMutex for Runtime-global Locks. (gh-112207) 2023-12-07 12:33:40 -07:00
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-108220: Internal header files require Py_BUILD_CORE to be defined (#108221) 2023-08-21 19:15:52 +02:00
pycore_bytes_methods.h bpo-35081: Move bytes_methods.h to the internal C API (GH-18492) 2020-02-12 22:32:34 +01:00
pycore_bytesobject.h gh-107211: No longer export internal functions (5) (#108423) 2023-08-24 16:06:53 +00:00
pycore_call.h gh-112026: Restore removed private C API (#112115) 2023-11-15 16:38:31 +00:00
pycore_capsule.h gh-108240: Add pycore_capsule.h internal header file (#108596) 2023-08-29 01:20:02 +00:00
pycore_ceval.h gh-111964: Implement stop-the-world pauses (gh-112471) 2024-01-23 11:08:23 -07:00
pycore_ceval_state.h gh-111924: Use PyMutex for Runtime-global Locks. (gh-112207) 2023-12-07 12:33:40 -07:00
pycore_code.h gh-114312: Collect stats for unlikely events (GH-114493) 2024-01-25 11:10:51 +00:00
pycore_codecs.h gh-108220: Internal header files require Py_BUILD_CORE to be defined (#108221) 2023-08-21 19:15:52 +02:00
pycore_compile.h gh-107149: make new opcode util functions private rather than public and unstable (#112042) 2023-11-14 00:31:02 +00:00
pycore_complexobject.h gh-112026: Restore removed private C API (#112115) 2023-11-15 16:38:31 +00:00
pycore_condvar.h gh-110014: Fix _POSIX_THREADS and _POSIX_SEMAPHORES usage (#110139) 2023-09-30 19:25:54 +02:00
pycore_context.h gh-111968: Use per-thread freelists for PyContext in free-threading (gh-114122) 2024-01-16 16:14:56 +00:00
pycore_critical_section.h gh-111863: Rename Py_NOGIL to Py_GIL_DISABLED (#111864) 2023-11-20 15:52:00 +02:00
pycore_crossinterp.h gh-76785: Avoid Pickled TracebackException for Propagated Subinterpreter Exceptions (gh-113036) 2023-12-13 00:31:30 +00:00
pycore_descrobject.h gh-106320: Move _PyMethodWrapper_Type to internal C API (#107064) 2023-07-22 20:57:59 +00:00
pycore_dict.h gh-112026: Restore removed private C API (#112115) 2023-11-15 16:38:31 +00:00
pycore_dict_state.h gh-104252: Immortalize Py_EMPTY_KEYS (gh-104253) 2023-05-10 07:28:40 -06:00
pycore_dtoa.h gh-111962: Make dtoa thread-safe in --disable-gil builds. (#112049) 2023-12-07 13:47:55 +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-106213: Make Emscripten trampolines work with JSPI (GH-106219) 2023-09-15 15:04:21 -07:00
pycore_exceptions.h bpo-46417: Factorize _PyExc_InitTypes() code (GH-30804) 2022-01-22 21:48:56 +01:00
pycore_faulthandler.h gh-108216: Cleanup #include in internal header files (#108228) 2023-08-21 18:05:59 +00:00
pycore_fileutils.h gh-112567: Add _Py_GetTicksPerSecond() function (#112587) 2023-12-01 17:05:56 +01:00
pycore_fileutils_windows.h gh-108220: Internal header files require Py_BUILD_CORE to be defined (#108221) 2023-08-21 19:15:52 +02:00
pycore_floatobject.h gh-111968: Use per-thread freelists for float in free-threading (gh-113886) 2024-01-10 15:47:13 +00:00
pycore_flowgraph.h gh-106149: move CFG and basicblock definitions into flowgraph.c, use them as opaque types in compile.c (#107639) 2023-08-10 13:03:47 +01:00
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-111354: remove comparisons with enum values, variable reuse, unused imports in genobject.c (#111708) 2023-11-09 10:27:20 +00:00
pycore_freelist.h gh-111968: Use per-thread freelists for generator in free-threading (gh-114189) 2024-01-18 18:15:00 +00:00
pycore_function.h gh-106581: Project through calls (#108067) 2023-08-17 11:29:58 -07:00
pycore_gc.h gh-111968: Use per-thread freelists for generator in free-threading (gh-114189) 2024-01-18 18:15:00 +00:00
pycore_genobject.h gh-111968: Use per-thread freelists for generator in free-threading (gh-114189) 2024-01-18 18:15:00 +00:00
pycore_getopt.h bpo-36763: Cleanup precmdline in _PyCoreConfig_Read() (GH-13371) 2019-05-17 03:15:12 +02:00
pycore_gil.h gh-109693: Update _gil_runtime_state.locked to use pyatomic.h (gh-110836) 2023-10-17 07:32:50 +09:00
pycore_global_objects.h gh-108216: Cleanup #include in internal header files (#108228) 2023-08-21 18:05:59 +00:00
pycore_global_objects_fini_generated.h GH-112354: END_FOR instruction to only pop one value. (GH-114247) 2024-01-24 15:10:17 +00:00
pycore_global_strings.h GH-112354: END_FOR instruction to only pop one value. (GH-114247) 2024-01-24 15:10:17 +00:00
pycore_hamt.h gh-81057: Move contextvars-related Globals to _PyRuntimeState (gh-99400) 2022-11-16 09:54:28 -07:00
pycore_hashtable.h gh-107211: No longer export internal functions (5) (#108423) 2023-08-24 16:06:53 +00:00
pycore_identifier.h gh-112026: Restore removed private C API (#112115) 2023-11-15 16:38:31 +00:00
pycore_import.h gh-111924: Use PyMutex for Runtime-global Locks. (gh-112207) 2023-12-07 12:33:40 -07:00
pycore_importdl.h gh-111863: Rename Py_NOGIL to Py_GIL_DISABLED (#111864) 2023-11-20 15:52:00 +02:00
pycore_initconfig.h gh-108634: PyInterpreterState_New() no longer calls Py_FatalError() (#108748) 2023-09-01 12:43:30 +02:00
pycore_instruments.h gh-103615: Use local events for opcode tracing (GH-109472) 2023-11-03 16:39:50 +00:00
pycore_interp.h gh-114312: Collect stats for unlikely events (GH-114493) 2024-01-25 11:10:51 +00:00
pycore_intrinsics.h gh-108220: Internal header files require Py_BUILD_CORE to be defined (#108221) 2023-08-21 19:15:52 +02:00
pycore_list.h gh-111968: Introduce _PyFreeListState and _PyFreeListState_GET API (gh-113584) 2024-01-10 08:04:41 +09:00
pycore_llist.h gh-111964: Implement stop-the-world pauses (gh-112471) 2024-01-23 11:08:23 -07:00
pycore_lock.h gh-111964: Add _PyRWMutex a "readers-writer" lock (gh-112859) 2023-12-15 18:56:55 -07:00
pycore_long.h gh-112026: Restore removed private C API (#112115) 2023-11-15 16:38:31 +00:00
pycore_memoryobject.h gh-106320: Remove private _PyManagedBuffer_Type (#108431) 2023-08-24 19:07:54 +02:00
pycore_mimalloc.h gh-112532: Isolate abandoned segments by interpreter (#113717) 2024-01-04 22:21:40 +00:00
pycore_modsupport.h gh-111956: Add thread-safe one-time initialization. (gh-111960) 2023-11-16 12:19:54 -07:00
pycore_moduleobject.h gh-106320: Remove private _PyModule API (#107070) 2023-07-22 21:41:11 +00:00
pycore_namespace.h gh-107211: No longer export internal functions (4) (#107217) 2023-07-25 03:16:28 +00:00
pycore_object.h gh-112075: Add try-incref functions from nogil branch for use in dict thread safety (#114512) 2024-01-25 09:34:03 -08:00
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_state.h gh-108634: Py_TRACE_REFS uses a hash table (#108663) 2023-08-31 18:33:34 +02:00
pycore_obmalloc.h gh-112867: fix for WITH_PYMALLOC_RADIX_TREE=0 (GH-112885) 2023-12-09 13:50:48 -08:00
pycore_obmalloc_init.h gh-101659: Isolate "obmalloc" State to Each Interpreter (gh-101660) 2023-04-24 17:23:57 -06:00
pycore_opcode_metadata.h GH-112354: END_FOR instruction to only pop one value. (GH-114247) 2024-01-24 15:10:17 +00:00
pycore_opcode_utils.h gh-111354: simplify detection of RESUME after YIELD_VALUE at except-depth 1 (#111459) 2023-11-02 10:18:43 +00:00
pycore_optimizer.h GH-113860: Get rid of _PyUOpExecutorObject (GH-113954) 2024-01-12 11:58:23 +00:00
pycore_parking_lot.h gh-108724: Add PyMutex and _PyParkingLot APIs (gh-109344) 2023-09-19 09:54:29 -06:00
pycore_parser.h gh-110805: Allow the repl to show source code and complete tracebacks (#110775) 2023-10-13 09:25:37 +00:00
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_pybuffer.h gh-76785: Add SendChannel.send_buffer() (#110246) 2023-10-09 07:39:51 -06:00
pycore_pyerrors.h gh-76785: Move _Py_excinfo Functions Out of the Internal C-API (gh-111715) 2023-11-06 11:09:22 -07:00
pycore_pyhash.h gh-111545: Add Py_HashPointer() function (#112096) 2023-12-06 15:09:22 +01:00
pycore_pylifecycle.h gh-112723: Call PyThreadState_Clear() from the correct interpreter (#112776) 2023-12-12 17:20:21 -07:00
pycore_pymath.h Remove unused internal macros (#102415) 2023-03-04 12:20:14 +00:00
pycore_pymem.h gh-112529: Track if debug allocator is used as underlying allocator (#113747) 2024-01-16 13:42:15 -08:00
pycore_pymem_init.h gh-112529: Track if debug allocator is used as underlying allocator (#113747) 2024-01-16 13:42:15 -08:00
pycore_pystate.h gh-111964: Implement stop-the-world pauses (gh-112471) 2024-01-23 11:08:23 -07:00
pycore_pystats.h gh-108753: Enhance pystats (#108754) 2023-09-06 15:54:59 +00:00
pycore_pythonrun.h gh-106320: Remove private pythonrun API (#108599) 2023-08-29 04:18:52 +02:00
pycore_pythread.h GH-110829: Ensure Thread.join() joins the OS thread (#110848) 2023-11-04 13:59:24 +00:00
pycore_range.h gh-89189: More compact range iterator (GH-27986) 2022-11-30 23:04:30 +02:00
pycore_runtime.h gh-111964: Implement stop-the-world pauses (gh-112471) 2024-01-23 11:08:23 -07:00
pycore_runtime_init.h gh-111964: Implement stop-the-world pauses (gh-112471) 2024-01-23 11:08:23 -07:00
pycore_runtime_init_generated.h GH-112354: END_FOR instruction to only pop one value. (GH-114247) 2024-01-24 15:10:17 +00:00
pycore_semaphore.h gh-110014: Fix _POSIX_THREADS and _POSIX_SEMAPHORES usage (#110139) 2023-09-30 19:25:54 +02:00
pycore_setobject.h gh-107211: No longer export internal functions (7) (#108425) 2023-08-24 17:40:56 +02:00
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-111968: Use per-thread slice_cache in free-threading (gh-113972) 2024-01-16 00:38:57 +09:00
pycore_strhex.h gh-107211: No longer export pycore_strhex.h functions (#108229) 2023-08-21 18:12:22 +00:00
pycore_structseq.h gh-107211: No longer export internal functions (4) (#107217) 2023-07-25 03:16:28 +00:00
pycore_symtable.h gh-107211: Rename PySymtable_Lookup() to _PySymtable_Lookup() (#107212) 2023-07-25 00:54:09 +00:00
pycore_sysmodule.h gh-106320: Remove private _PySys functions (#108452) 2023-08-24 20:02:09 +00:00
pycore_time.h gh-112567: Add _PyTimeFraction C API (#112568) 2023-12-01 19:50:10 +01:00
pycore_token.h gh-107211: No longer export internal functions (7) (#108425) 2023-08-24 17:40:56 +02:00
pycore_traceback.h gh-110721: Use the traceback module for PyErr_Display() and fallback to the C implementation (#110702) 2023-10-12 14:52:14 +00:00
pycore_tracemalloc.h gh-107211: No longer export internal functions (3) (#107215) 2023-07-25 02:25:45 +00:00
pycore_tstate.h gh-111968: Introduce _PyFreeListState and _PyFreeListState_GET API (gh-113584) 2024-01-10 08:04:41 +09:00
pycore_tuple.h gh-111968: Use per-thread freelists for tuple in free-threading (gh-113921) 2024-01-12 03:46:28 +09:00
pycore_typeobject.h gh-111178: Make slot functions in typeobject.c have compatible types (GH-112752) 2023-12-20 15:13:44 +01:00
pycore_typevarobject.h gh-104549: Set __module__ on TypeAliasType (#104550) 2023-05-18 15:56:15 -07:00
pycore_ucnhash.h gh-111972: Make Unicode name C APIcapsule initialization thread-safe (#112249) 2023-11-30 11:12:49 +01:00
pycore_unicodeobject.h gh-111924: Use PyMutex for Runtime-global Locks. (gh-112207) 2023-12-07 12:33:40 -07:00
pycore_unicodeobject_generated.h GH-112354: END_FOR instruction to only pop one value. (GH-114247) 2024-01-24 15:10:17 +00:00
pycore_unionobject.h gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815) 2022-06-16 13:49:43 +02:00
pycore_uop_ids.h GH-113710: Add a tier 2 peephole optimization pass. (GH-114487) 2024-01-24 12:08:31 +00:00
pycore_uop_metadata.h GH-113710: Add a tier 2 peephole optimization pass. (GH-114487) 2024-01-24 12:08:31 +00:00
pycore_warnings.h gh-107211: No longer export internal functions (3) (#107215) 2023-07-25 02:25:45 +00:00
pycore_weakref.h gh-111926: Set up basic sementics of weakref API for freethreading (gh-113621) 2024-01-03 13:25:27 +00:00