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| author | Dino Viehland <dinoviehland@meta.com> | 2024-05-06 17:50:35 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-05-06 17:50:35 (GMT) |
| commit | 5a1618a2c8c108b8c73aa9459b63f0dbd66b60f6 (patch) | |
| tree | a9b79e4cb8e0a9d1d648e21619382a03363c1f46 /Include/cpython/object.h | |
| parent | e6b213ee3ffb05f067d30cb8bb45681887212444 (diff) | |
| download | cpython-5a1618a2c8c108b8c73aa9459b63f0dbd66b60f6.zip cpython-5a1618a2c8c108b8c73aa9459b63f0dbd66b60f6.tar.gz cpython-5a1618a2c8c108b8c73aa9459b63f0dbd66b60f6.tar.bz2 | |
gh-118362: Fix thread safety around lookups from the type cache in the face of concurrent mutators (#118454)
Add _PyType_LookupRef and use incref before setting attribute on type
Makes setting an attribute on a class and signaling type modified atomic
Avoid adding re-entrancy exposing the type cache in an inconsistent state by decrefing after type is updated
Diffstat (limited to 'Include/cpython/object.h')
| -rw-r--r-- | Include/cpython/object.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Include/cpython/object.h b/Include/cpython/object.h index c2830b7..e624326 100644 --- a/Include/cpython/object.h +++ b/Include/cpython/object.h @@ -275,6 +275,7 @@ typedef struct _heaptypeobject { PyAPI_FUNC(const char *) _PyType_Name(PyTypeObject *); PyAPI_FUNC(PyObject *) _PyType_Lookup(PyTypeObject *, PyObject *); +PyAPI_FUNC(PyObject *) _PyType_LookupRef(PyTypeObject *, PyObject *); PyAPI_FUNC(PyObject *) PyType_GetDict(PyTypeObject *); PyAPI_FUNC(int) PyObject_Print(PyObject *, FILE *, int); |