gh-111968: Introduce _PyFreeListState and _PyFreeListState_GET API (gh-113584)

1 files changed, 11 insertions, 11 deletions

diff --git a/Objects/listobject.c b/Objects/listobject.c
index 5cd4a05..2fc57e1 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -24,8 +24,9 @@ _Py_DECLARE_STR(list_err, "list index out of range");
 static struct _Py_list_state *
 get_list_state(void)
 {
-    PyInterpreterState *interp = _PyInterpreterState_GET();
-    return &interp->list;
+    _PyFreeListState *state = _PyFreeListState_GET();
+    assert(state != NULL);
+    return &state->list;
 }
 #endif
 
@@ -120,26 +121,25 @@ list_preallocate_exact(PyListObject *self, Py_ssize_t size)
 }
 
 void
-_PyList_ClearFreeList(PyInterpreterState *interp)
+_PyList_ClearFreeList(_PyFreeListState *freelist_state, int is_finalization)
 {
 #if PyList_MAXFREELIST > 0
-    struct _Py_list_state *state = &interp->list;
-    while (state->numfree) {
+    struct _Py_list_state *state = &freelist_state->list;
+    while (state->numfree > 0) {
         PyListObject *op = state->free_list[--state->numfree];
         assert(PyList_CheckExact(op));
         PyObject_GC_Del(op);
     }
+    if (is_finalization) {
+        state->numfree = -1;
+    }
 #endif
 }
 
 void
-_PyList_Fini(PyInterpreterState *interp)
+_PyList_Fini(_PyFreeListState *state)
 {
-    _PyList_ClearFreeList(interp);
-#if defined(Py_DEBUG) && PyList_MAXFREELIST > 0
-    struct _Py_list_state *state = &interp->list;
-    state->numfree = -1;
-#endif
+    _PyList_ClearFreeList(state, 1);
 }
 
 /* Print summary info about the state of the optimized allocator */