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Mark Shannon 3f37b94c73 GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948) 
* Handle dependencies in the optimizer, not the tracer
* Strengthen some checks to avoid relying on optimizer for correctness
2026-02-19 11:52:57 +00:00
..
clinic
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
frozen_modules
…
_contextvars.c
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
_warnings.c
gh-135801: Improve filtering by module in warn_explicit() without module argument (GH-140151)
2025-10-30 15:55:39 +02:00
asdl.c
…
asm_trampoline.S
gh-136459: Add perf trampoline support for macOS (#136461)
2025-07-22 16:47:24 +01:00
assemble.c
gh-87859: Track Code Object Local Kinds For Arguments (gh-132980)
2025-04-29 02:21:47 +00:00
ast_preprocess.c
gh-143055: Implementation of PEP 798 (#143056)
2026-01-30 20:37:52 -08:00
ast_unparse.c
gh-132661: Disallow Template/str concatenation after PEP 750 spec update (#135996)
2025-07-21 08:44:26 +02:00
ast.c
gh-143055: Implementation of PEP 798 (#143056)
2026-01-30 20:37:52 -08:00
bltinmodule.c
gh-141510, PEP 814: Add built-in frozendict type (#144757)
2026-02-17 10:54:41 +01:00
bootstrap_hash.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
brc.c
…
bytecodes.c
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
ceval_gil.c
GH-142513: Reimplement executor management (GH-142931)
2025-12-18 16:43:44 +00:00
ceval_macros.h
gh-120321: Make gi_yieldfrom thread-safe in free-threading build (#144292)
2026-01-30 12:20:27 -05:00
ceval.c
gh-138912: Improve MATCH_CLASS opcode performance (GH-138915)
2026-02-13 21:06:15 -08:00
ceval.h
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
codecs.c
Python/codecs.c: Remove unused forward declaration (#139511)
2025-10-03 13:33:49 +02:00
codegen.c
gh-144822: remove redundant decref in codegen.c (#144823)
2026-02-14 19:20:33 +00:00
compile.c
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
condvar.h
…
config_common.h
…
context.c
gh-116738: make entering of contextvars.Context thread safe (#143074)
2026-01-06 12:24:02 +05:30
critical_section.c
gh-144513: Skip critical section locking during stop-the-world (gh-144524)
2026-02-06 15:14:08 +00:00
crossinterp_data_lookup.h
gh-135443: Sometimes Fall Back to __main__.__dict__ For Globals (gh-135491)
2025-06-16 17:34:19 -06:00
crossinterp_exceptions.h
gh-132775: Clean Up Cross-Interpreter Error Handling (gh-135369)
2025-06-13 16:45:21 -06:00
crossinterp.c
gh-143377: fix crashes in _interpreters.capture_exception (#143418)
2026-01-10 12:37:54 +01:00
dtoa.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
dup2.c
…
dynamic_annotations.c
…
dynload_hpux.c
…
dynload_shlib.c
gh-131238: Remove more includes from pycore_interp.h (#131480)
2025-03-19 23:01:32 +01:00
dynload_stub.c
…
dynload_win.c
gh-131942: Use the Python-specific Py_DEBUG macro rather than _DEBUG in Windows-related C code (GH-131944)
2025-05-08 15:01:25 +00:00
emscripten_signal.c
…
emscripten_syscalls.c
gh-124621: Emscripten: Fix __syscall_ioctl patch (GH-136993)
2025-07-22 15:05:26 +02:00
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-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (#137470)
2025-09-17 15:33:55 +01:00
errors.c
gh-143547: Fix PyErr_FormatUnraisable() fallback (#143557)
2026-01-09 13:16:22 +01:00
executor_cases.c.h
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
fileutils.c
gh-42400: Fix buffer overflow in _Py_wrealpath() for very long paths (#141529)
2025-11-18 17:34:58 +01:00
flowgraph.c
GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)
2026-01-16 09:11:58 +00:00
frame.c
gh-144446: Fix some frame object thread-safety issues (gh-144479)
2026-02-06 09:43:36 -05:00
frozen.c
GH-89435: os.path should not be a frozen module (#126924)
2024-11-22 18:50:30 +00:00
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-144054: no deferred refcount for untracked (gh-144081)
2026-01-20 10:01:09 -08:00
gc_gil.c
gh-100240: Use a consistent implementation for freelists (#121934)
2024-07-22 12:08:27 -04:00
gc.c
gh-141070: Rename PyUnstable_Object_Dump to PyObject_Dump (GH-142848)
2026-01-16 09:19:43 -05:00
generated_cases.c.h
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
getargs.c
Revert "gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303)" (#136991)
2025-07-22 16:39:50 +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
…
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-142829: Fix use-after-free in Context.__eq__ via re-entrant ContextVar.set (#142905)
2026-01-09 17:57:34 +05:30
hashtable.c
…
import.c
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
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-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
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-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
interpconfig.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
intrinsics.c
gh-111489: Remove _PyTuple_FromArray() alias (#139973)
2025-10-11 22:58:14 +02:00
jit.c
fix warnings in jit builds (GH-144817)
2026-02-14 17:39:10 +00:00
legacy_tracing.c
gh-137400: Fix thread-safety issues when profiling all threads (gh-137518)
2025-08-13 14:15:12 -04:00
lock.c
gh-120321: Make gi_yieldfrom thread-safe in free-threading build (#144292)
2026-01-30 12:20:27 -05:00
marshal.c
gh-141510, PEP 814: Add built-in frozendict type (#144757)
2026-02-17 10:54:41 +01:00
modsupport.c
gh-137210: Add a struct, slot & function for checking an extension's ABI (GH-137212)
2025-09-05 16:23:18 +02:00
mysnprintf.c
…
mystrtoul.c
…
object_stack.c
gh-100240: Use a consistent implementation for freelists (#121934)
2024-07-22 12:08:27 -04:00
opcode_targets.h
gh-142982: Specialize CALL_FUNCTION_EX (GH-143391)
2026-01-06 20:34:08 +00:00
optimizer_analysis.c
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
optimizer_bytecodes.c
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
optimizer_cases.c.h
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
optimizer_symbols.c
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
optimizer.c
GH-144651: Optimize the new uops added when recording values during tracing. (GH-144948)
2026-02-19 11:52:57 +00:00
parking_lot.c
gh-137433: Fix deadlock with stop-the-world and daemon threads (gh-137735)
2025-09-16 09:21:58 +01:00
pathconfig.c
gh-133644: Remove deprecated Python initialization getter functions (#133661)
2025-05-09 11:39:23 +00:00
perf_jit_trampoline.c
gh-144194: Fix mmap failure check in perf_jit_trampoline.c (#143713)
2026-01-28 13:30:17 +00:00
perf_trampoline.c
gh-144766: Fix a crash in fork child process when perf support is enabled. (#144795)
2026-02-14 11:41:28 +00:00
preconfig.c
GH-133711: Enable UTF-8 mode by default (PEP 686) (#133712)
2025-07-15 10:45:41 +01:00
pyarena.c
Chore: Fix typo in pyarena.c (#126527)
2024-11-07 16:37:41 +01:00
pyctype.c
…
pyfpe.c
…
pyhash.c
gh-111389: replace deprecated occurrences of _PyHASH_* macros (#141236)
2025-11-09 15:14:08 +01:00
pylifecycle.c
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
pymath.c
…
pystate.c
gh-144068: fix JIT tracer memory leak when daemon thread exits (GH-144077)
2026-01-24 09:43:01 +00:00
pystats.c
GH-135379: Top of stack caching for the JIT. (GH-135465)
2025-12-11 10:32:52 +00:00
pystrcmp.c
…
pystrhex.c
gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548)
2025-12-05 16:24:35 +02:00
pystrtod.c
gh-141004: soft-deprecate Py_INFINITY macro (#141033)
2025-11-12 13:44:49 +01:00
Python-ast.c
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
Python-tokenize.c
gh-111178: Fix function signatures for test_types (#131455)
2025-03-19 13:46:17 +00:00
pythonrun.c
gh-141070: Rename PyUnstable_Object_Dump to PyObject_Dump (GH-142848)
2026-01-16 09:19:43 -05:00
pytime.c
gh-80620: Support negative timestamps on windows in time.gmtime, time.localtime, and datetime module (#143463)
2026-01-15 10:51:11 +01:00
qsbr.c
gh-144438: Fix false sharing between QSBR and tlbc_index (gh-144554)
2026-02-17 11:12:25 -05:00
README
…
record_functions.c.h
GH-144179: Use recorded values to make optimizer more robust (GH-144437)
2026-02-05 08:58:41 +00:00
remote_debug.h
gh-144563: Fix remote debugging with duplicate libpython mappings from ctypes (#144595)
2026-02-10 10:04:50 +00:00
remote_debugging.c
gh-138122: Implement frame caching in RemoteUnwinder to reduce memory reads (#142137)
2025-12-06 22:37:34 +00:00
specialize.c
gh-141510: Update specializer to support frozendict (gh-144949)
2026-02-19 01:10:53 +09:00
stackrefs.c
gh-131527: Stackref debug borrow checker (#140599)
2025-11-05 11:12:56 -08:00
stdlib_module_names.h
gh-81313: Add the math.integer module (PEP-791) (GH-133909)
2025-10-31 16:13:43 +02:00
structmember.c
gh-41779: Allow defining any __slots__ for a class derived from tuple (GH-141763)
2026-01-06 11:36:00 +02:00
suggestions.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
symtable.c
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
sysmodule.c
gh-142349: Implement PEP 810 - Explicit lazy imports (#142351)
2026-02-12 00:15:33 +00:00
thread_nt.h
gh-134745: Change PyThread_allocate_lock() implementation to PyMutex (#134747)
2025-05-30 10:15:47 +00:00
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-137884: Added threading.get_native_id() on Illumos/Solaris (GH-137927)
2025-08-20 17:10:44 +00:00
thread.c
gh-134745: Use "pymutex" for sys.thread_info on Windows (#141140)
2025-11-06 16:10:39 +01:00
tier2_engine.md
…
traceback.c
gh-143108: Don't instrument some faulthandler related functions for TSan (#143450)
2026-01-05 22:13:29 +01:00
tracemalloc.c
gh-144763: Don't detach the GIL in tracemalloc (#144779)
2026-02-18 15:57:48 +00:00
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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