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| author | Carl Meyer <carl@oddbird.net> | 2022-10-21 07:41:51 -0600 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-21 14:41:51 +0100 |
| commit | 82ccbf69a842db25d8117f1c41b47aa5b4ed96ab (patch) | |
| tree | 3a8bdfc3eb837106664433c2e385276fccf64c06 /Include/cpython | |
| parent | 8367ca136ed7616cb1f71bd9f1ec98dbcfd35d98 (diff) | |
| download | cpython-git-82ccbf69a842db25d8117f1c41b47aa5b4ed96ab.tar.gz | |
gh-91051: allow setting a callback hook on PyType_Modified (GH-97875)
Diffstat (limited to 'Include/cpython')
| -rw-r--r-- | Include/cpython/object.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Include/cpython/object.h b/Include/cpython/object.h index c80fc1df0e..900b52321d 100644 --- a/Include/cpython/object.h +++ b/Include/cpython/object.h @@ -224,6 +224,9 @@ struct _typeobject { destructor tp_finalize; vectorcallfunc tp_vectorcall; + + /* bitset of which type-watchers care about this type */ + char tp_watched; }; /* This struct is used by the specializer @@ -510,3 +513,11 @@ Py_DEPRECATED(3.11) typedef int UsingDeprecatedTrashcanMacro; PyAPI_FUNC(int) _PyObject_VisitManagedDict(PyObject *obj, visitproc visit, void *arg); PyAPI_FUNC(void) _PyObject_ClearManagedDict(PyObject *obj); + +#define TYPE_MAX_WATCHERS 8 + +typedef int(*PyType_WatchCallback)(PyTypeObject *); +PyAPI_FUNC(int) PyType_AddWatcher(PyType_WatchCallback callback); +PyAPI_FUNC(int) PyType_ClearWatcher(int watcher_id); +PyAPI_FUNC(int) PyType_Watch(int watcher_id, PyObject *type); +PyAPI_FUNC(int) PyType_Unwatch(int watcher_id, PyObject *type); |