bpo-40887: Don't use finalized free lists (GH-20700)

bpo-40887: Don't use finalized free lists (GH-20700) · python/cpython@bcb1983

@@ -1430,6 +1430,11 @@ void

14301430_PyAsyncGen_Fini(PyThreadState *tstate)14311431{14321432_PyAsyncGen_ClearFreeLists(tstate);1433+#ifdef Py_DEBUG1434+struct _Py_async_gen_state *state = &tstate->interp->async_gen;1435+state->value_numfree = -1;1436+state->asend_numfree = -1;1437+#endif14331438}1434143914351440

@@ -1474,6 +1479,10 @@ async_gen_asend_dealloc(PyAsyncGenASend *o)

14741479Py_CLEAR(o->ags_sendval);14751480PyInterpreterState *interp = _PyInterpreterState_GET();14761481struct _Py_async_gen_state *state = &interp->async_gen;1482+#ifdef Py_DEBUG1483+// async_gen_asend_dealloc() must not be called after _PyAsyncGen_Fini()1484+assert(state->asend_numfree != -1);1485+#endif14771486if (state->asend_numfree < _PyAsyncGen_MAXFREELIST) {14781487assert(PyAsyncGenASend_CheckExact(o));14791488state->asend_freelist[state->asend_numfree++] = o;

@@ -1632,6 +1641,10 @@ async_gen_asend_new(PyAsyncGenObject *gen, PyObject *sendval)

16321641PyAsyncGenASend *o;16331642PyInterpreterState *interp = _PyInterpreterState_GET();16341643struct _Py_async_gen_state *state = &interp->async_gen;1644+#ifdef Py_DEBUG1645+// async_gen_asend_new() must not be called after _PyAsyncGen_Fini()1646+assert(state->asend_numfree != -1);1647+#endif16351648if (state->asend_numfree) {16361649state->asend_numfree--;16371650o = state->asend_freelist[state->asend_numfree];

@@ -1667,6 +1680,10 @@ async_gen_wrapped_val_dealloc(_PyAsyncGenWrappedValue *o)

16671680Py_CLEAR(o->agw_val);16681681PyInterpreterState *interp = _PyInterpreterState_GET();16691682struct _Py_async_gen_state *state = &interp->async_gen;1683+#ifdef Py_DEBUG1684+// async_gen_wrapped_val_dealloc() must not be called after _PyAsyncGen_Fini()1685+assert(state->value_numfree != -1);1686+#endif16701687if (state->value_numfree < _PyAsyncGen_MAXFREELIST) {16711688assert(_PyAsyncGenWrappedValue_CheckExact(o));16721689state->value_freelist[state->value_numfree++] = o;

@@ -1737,6 +1754,10 @@ _PyAsyncGenValueWrapperNew(PyObject *val)

1737175417381755PyInterpreterState *interp = _PyInterpreterState_GET();17391756struct _Py_async_gen_state *state = &interp->async_gen;1757+#ifdef Py_DEBUG1758+// _PyAsyncGenValueWrapperNew() must not be called after _PyAsyncGen_Fini()1759+assert(state->value_numfree != -1);1760+#endif17401761if (state->value_numfree) {17411762state->value_numfree--;17421763o = state->value_freelist[state->value_numfree];