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cpython/Include/cpython
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Victor Stinner b11a384dc7
gh-98724: Fix Py_CLEAR() macro side effects (#99100) (#100070) 
The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate
their arguments once. If an argument has side effects, these side
effects are no longer duplicated.

Use temporary variables to avoid duplicating side effects of macro
arguments. If available, use _Py_TYPEOF() to avoid type punning.
Otherwise, use memcpy() for the assignment to prevent a
miscompilation with strict aliasing caused by type punning.

Add _Py_TYPEOF() macro: __typeof__() on GCC and clang.

Add test_py_clear() and test_py_setref() unit tests to _testcapi.
2022-12-07 15:22:38 +01:00
..
abstract.h gh-98586: Add vector call APIs to the Limited API (GH-98587) 2022-10-27 11:45:42 +02:00
bytearrayobject.h gh-89653: PEP 670: Macros always cast arguments in cpython/ (#93766) 2022-06-13 20:09:40 +02:00
bytesobject.h gh-89653: PEP 670: Macros always cast arguments in cpython/ (#93766) 2022-06-13 20:09:40 +02:00
cellobject.h gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815) 2022-06-16 13:49:43 +02:00
ceval.h GH-93503: Add thread-specific APIs to set profiling and tracing functions in the C-API (#93504) 2022-08-24 23:21:39 +01:00
classobject.h gh-89653: PEP 670: Convert macros to functions (#99843) 2022-11-28 16:40:08 +01:00
code.h GH-91054: Add code object watchers API (GH-99859) 2022-12-02 17:28:27 +00:00
compile.h gh-98811: use full source location to simplify __future__ imports error checking. This also fixes an incorrect error offset. (GH-98812) 2022-10-31 13:08:03 +00:00
complexobject.h bpo-35134: Add Include/cpython/complexobject.h header (GH-32383) 2022-04-07 01:05:27 +02:00
context.h gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815) 2022-06-16 13:49:43 +02:00
descrobject.h bpo-45459: C API uses type names rather than structure names (GH-31528) 2022-02-24 17:51:59 +01:00
dictobject.h gh-91052: Add PyDict_Unwatch for unwatching a dictionary (#98055) 2022-10-07 17:37:46 -07:00
fileobject.h gh-96670: Raise SyntaxError when parsing NULL bytes (#97594) 2022-09-27 23:23:42 +01:00
fileutils.h bpo-46303: Move fileutils.h private functions to internal C API (GH-30484) 2022-01-11 11:56:16 +01:00
floatobject.h gh-89653: PEP 670: Convert macros to functions (#99843) 2022-11-28 16:40:08 +01:00
frameobject.h gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938) 2022-06-19 12:02:33 +02:00
funcobject.h gh-91053: Add an optional callback that is invoked whenever a function is modified (#98175) 2022-11-22 13:06:44 +01:00
genobject.h gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815) 2022-06-16 13:49:43 +02:00
import.h gh-81057: Move PyImport_Inittab to _PyRuntimeState (gh-99402) 2022-11-11 17:06:05 -07:00
initconfig.h gh-98610: Adjust the Optional Restrictions on Subinterpreters (GH-98618) 2022-10-31 12:35:54 -07:00
listobject.h gh-87347: Add parenthesis around macro arguments (#93915) 2022-06-20 16:04:52 +02:00
longintrepr.h bpo-46218: Change long_pow() to sliding window algorithm (GH-30319) 2022-01-02 13:18:20 -06:00
longobject.h bpo-35134: Add Include/cpython/longobject.h (GH-29044) 2021-10-19 02:04:52 +02:00
memoryobject.h gh-89653: PEP 670: Convert macros to functions (#99843) 2022-11-28 16:40:08 +01:00
methodobject.h gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815) 2022-06-16 13:49:43 +02:00
modsupport.h gh-81057: Move More Globals in Core Code to _PyRuntimeState (gh-99516) 2022-11-16 09:37:14 -07:00
object.h gh-98724: Fix Py_CLEAR() macro side effects (#99100) (#100070) 2022-12-07 15:22:38 +01:00
objimpl.h gh-99845: PEP 670: Convert PyObject macros to functions (#99850) 2022-11-30 18:17:50 +01:00
odictobject.h gh-87347: Add parenthesis around macro arguments (#93915) 2022-06-20 16:04:52 +02:00
picklebufobject.h gh-87347: Add parenthesis around PyXXX_Check() arguments (#92815) 2022-06-16 13:49:43 +02:00
pthread_stubs.h gh-95174: Add pthread stubs for WASI (GH-95234) 2022-07-27 20:28:06 +02:00
pyctype.h bpo-43816: Add extern "C" to Include/cpython/pyctype.h (GH-25365) 2021-04-13 13:27:21 +02:00
pydebug.h gh-77782: Deprecate global configuration variable (#93943) 2022-06-17 16:12:00 +02:00
pyerrors.h gh-91058: Add error suggestions to 'import from' import errors (#98305) 2022-10-25 23:56:59 +01:00
pyfpe.h bpo-35134: Move non-limited C API files to Include/cpython/ (GH-24561) 2021-02-19 15:55:46 +01:00
pyframe.h gh-91248: Add PyFrame_GetVar() function (#95712) 2022-11-08 17:40:27 +01:00
pylifecycle.h gh-98608: Change _Py_NewInterpreter() to _Py_NewInterpreterFromConfig() (gh-98609) 2022-10-26 11:16:30 -06:00
pymem.h bpo-43795: PEP-652: Clean up the stable ABI/limited API (GH-25482) 2021-04-23 14:17:58 +02:00
pystate.h gh-99741: Implement Multi-Phase Init for the _xxsubinterpreters Module (gh-99742) 2022-12-05 13:40:20 -07:00
pythonrun.h gh-87347: Add parenthesis around macro arguments (#93915) 2022-06-20 16:04:52 +02:00
pythread.h gh-95174: Add pthread stubs for WASI (GH-95234) 2022-07-27 20:28:06 +02:00
pytime.h gh-74953: Add _PyTime_FromMicrosecondsClamp() function (#93942) 2022-06-17 16:11:13 +02:00
setobject.h gh-89653: PEP 670: Convert macros to functions (#99843) 2022-11-28 16:40:08 +01:00
sysmodule.h bpo-46987: Remove _PySys_GetObjectId / _PySys_GetObjectId (GH-31835) 2022-03-14 21:48:00 +09:00
traceback.h bpo-45459: C API uses type names rather than structure names (GH-31528) 2022-02-24 17:51:59 +01:00
tupleobject.h gh-87347: Add parenthesis around macro arguments (#93915) 2022-06-20 16:04:52 +02:00
unicodeobject.h PyUnicode_KIND() uses _Py_RVALUE() (#100060) 2022-12-06 23:40:05 +01:00
warnings.h gh-87347: Add parenthesis around macro arguments (#93915) 2022-06-20 16:04:52 +02:00
weakrefobject.h gh-89653: PEP 670: Macros always cast arguments in cpython/ (#93766) 2022-06-13 20:09:40 +02:00