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bpo-33597: Reduce PyGC_Head size (GH-7043)

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INADA Naoki 2018-07-10 17:19:53 +09:00 • committed by GitHub
parent 445f1b35ce
commit 5ac9e6eee5
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4 changed files with 433 additions and 260 deletions
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13
Objects/object.c
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@ -284,8 +284,9 @@ PyObject_CallFinalizer(PyObject *self)
return;
tp->tp_finalize(self);
if (PyType_IS_GC(tp))
_PyGC_SET_FINALIZED(self, 1);
if (PyType_IS_GC(tp)) {
_PyGC_SET_FINALIZED(self);
}
}
int
@ -2095,7 +2096,7 @@ _PyTrash_deposit_object(PyObject *op)
assert(PyObject_IS_GC(op));
assert(!_PyObject_GC_IS_TRACKED(op));
assert(op->ob_refcnt == 0);
_Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *)_PyRuntime.gc.trash_delete_later;
_PyGCHead_SET_PREV(_Py_AS_GC(op), _PyRuntime.gc.trash_delete_later);
_PyRuntime.gc.trash_delete_later = op;
}
@ -2107,7 +2108,7 @@ _PyTrash_thread_deposit_object(PyObject *op)
assert(PyObject_IS_GC(op));
assert(!_PyObject_GC_IS_TRACKED(op));
assert(op->ob_refcnt == 0);
_Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *) tstate->trash_delete_later;
_PyGCHead_SET_PREV(_Py_AS_GC(op), tstate->trash_delete_later);
tstate->trash_delete_later = op;
}
@ -2122,7 +2123,7 @@ _PyTrash_destroy_chain(void)
destructor dealloc = Py_TYPE(op)->tp_dealloc;
_PyRuntime.gc.trash_delete_later =
(PyObject*) _Py_AS_GC(op)->gc.gc_prev;
(PyObject*) _PyGCHead_PREV(_Py_AS_GC(op));
/* Call the deallocator directly. This used to try to
* fool Py_DECREF into calling it indirectly, but
@ -2160,7 +2161,7 @@ _PyTrash_thread_destroy_chain(void)
destructor dealloc = Py_TYPE(op)->tp_dealloc;
tstate->trash_delete_later =
(PyObject*) _Py_AS_GC(op)->gc.gc_prev;
(PyObject*) _PyGCHead_PREV(_Py_AS_GC(op));
/* Call the deallocator directly. This used to try to
* fool Py_DECREF into calling it indirectly, but