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gh-115999: Enable BINARY_SUBSCR_GETITEM for free-threaded build (gh-127737)

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Donghee Na 2024-12-19 11:08:17 +09:00 • committed by GitHub
parent f802c8bf87
commit 48c70b8f7d
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12 changed files with 118 additions and 62 deletions
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25
Objects/typeobject.c
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@ -5679,6 +5679,31 @@ _PyType_CacheInitForSpecialization(PyHeapTypeObject *type, PyObject *init,
return can_cache;
}
int
_PyType_CacheGetItemForSpecialization(PyHeapTypeObject *ht, PyObject *descriptor, uint32_t tp_version)
{
if (!descriptor || !tp_version) {
return 0;
}
int can_cache;
BEGIN_TYPE_LOCK();
can_cache = ((PyTypeObject*)ht)->tp_version_tag == tp_version;
// This pointer is invalidated by PyType_Modified (see the comment on
// struct _specialization_cache):
PyFunctionObject *func = (PyFunctionObject *)descriptor;
uint32_t version = _PyFunction_GetVersionForCurrentState(func);
can_cache = can_cache && _PyFunction_IsVersionValid(version);
#ifdef Py_GIL_DISABLED
can_cache = can_cache && _PyObject_HasDeferredRefcount(descriptor);
#endif
if (can_cache) {
FT_ATOMIC_STORE_PTR_RELEASE(ht->_spec_cache.getitem, descriptor);
FT_ATOMIC_STORE_UINT32_RELAXED(ht->_spec_cache.getitem_version, version);
}
END_TYPE_LOCK();
return can_cache;
}
static void
set_flags(PyTypeObject *self, unsigned long mask, unsigned long flags)
{