diff options
Diffstat (limited to 'Objects/object.c')
| -rw-r--r-- | Objects/object.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/Objects/object.c b/Objects/object.c index 68a90c2..2ba6e57 100644 --- a/Objects/object.c +++ b/Objects/object.c @@ -2028,6 +2028,14 @@ finally: /* Trashcan support. */ +/* Current call-stack depth of tp_dealloc calls. */ +int _PyTrash_delete_nesting = 0; + +/* List of objects that still need to be cleaned up, singly linked via their + * gc headers' gc_prev pointers. + */ +PyObject *_PyTrash_delete_later = NULL; + /* Add op to the _PyTrash_delete_later list. Called when the current * call-stack depth gets large. op must be a currently untracked gc'ed * object, with refcount 0. Py_DECREF must already have been called on it. @@ -2038,8 +2046,8 @@ _PyTrash_deposit_object(PyObject *op) assert(PyObject_IS_GC(op)); assert(_PyGC_REFS(op) == _PyGC_REFS_UNTRACKED); assert(op->ob_refcnt == 0); - _Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *)_PyRuntime.gc.trash_delete_later; - _PyRuntime.gc.trash_delete_later = op; + _Py_AS_GC(op)->gc.gc_prev = (PyGC_Head *)_PyTrash_delete_later; + _PyTrash_delete_later = op; } /* The equivalent API, using per-thread state recursion info */ @@ -2060,11 +2068,11 @@ _PyTrash_thread_deposit_object(PyObject *op) void _PyTrash_destroy_chain(void) { - while (_PyRuntime.gc.trash_delete_later) { - PyObject *op = _PyRuntime.gc.trash_delete_later; + while (_PyTrash_delete_later) { + PyObject *op = _PyTrash_delete_later; destructor dealloc = Py_TYPE(op)->tp_dealloc; - _PyRuntime.gc.trash_delete_later = + _PyTrash_delete_later = (PyObject*) _Py_AS_GC(op)->gc.gc_prev; /* Call the deallocator directly. This used to try to @@ -2074,9 +2082,9 @@ _PyTrash_destroy_chain(void) * up distorting allocation statistics. */ assert(op->ob_refcnt == 0); - ++_PyRuntime.gc.trash_delete_nesting; + ++_PyTrash_delete_nesting; (*dealloc)(op); - --_PyRuntime.gc.trash_delete_nesting; + --_PyTrash_delete_nesting; } } |