diff options
Diffstat (limited to 'contrib/tools/python3/src/Include/objimpl.h')
| -rw-r--r-- | contrib/tools/python3/src/Include/objimpl.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/contrib/tools/python3/src/Include/objimpl.h b/contrib/tools/python3/src/Include/objimpl.h index 4fa670e71ab..ef871c5ea93 100644 --- a/contrib/tools/python3/src/Include/objimpl.h +++ b/contrib/tools/python3/src/Include/objimpl.h @@ -135,14 +135,14 @@ PyAPI_FUNC(PyVarObject *) _PyObject_NewVar(PyTypeObject *, Py_ssize_t); // Alias to PyObject_New(). In Python 3.8, PyObject_NEW() called directly // PyObject_MALLOC() with _PyObject_SIZE(). -#define PyObject_NEW(type, typeobj) PyObject_New(type, typeobj) +#define PyObject_NEW(type, typeobj) PyObject_New(type, (typeobj)) #define PyObject_NewVar(type, typeobj, n) \ ( (type *) _PyObject_NewVar((typeobj), (n)) ) // Alias to PyObject_NewVar(). In Python 3.8, PyObject_NEW_VAR() called // directly PyObject_MALLOC() with _PyObject_VAR_SIZE(). -#define PyObject_NEW_VAR(type, typeobj, n) PyObject_NewVar(type, typeobj, n) +#define PyObject_NEW_VAR(type, typeobj, n) PyObject_NewVar(type, (typeobj), (n)) /* @@ -157,6 +157,25 @@ PyAPI_FUNC(int) PyGC_Enable(void); PyAPI_FUNC(int) PyGC_Disable(void); PyAPI_FUNC(int) PyGC_IsEnabled(void); + +#if !defined(Py_LIMITED_API) +/* Visit all live GC-capable objects, similar to gc.get_objects(None). The + * supplied callback is called on every such object with the void* arg set + * to the supplied arg. Returning 0 from the callback ends iteration, returning + * 1 allows iteration to continue. Returning any other value may result in + * undefined behaviour. + * + * If new objects are (de)allocated by the callback it is undefined if they + * will be visited. + + * Garbage collection is disabled during operation. Explicitly running a + * collection in the callback may lead to undefined behaviour e.g. visiting the + * same objects multiple times or not at all. + */ +typedef int (*gcvisitobjects_t)(PyObject*, void*); +PyAPI_FUNC(void) PyUnstable_GC_VisitObjects(gcvisitobjects_t callback, void* arg); +#endif + /* Test if a type has a GC head */ #define PyType_IS_GC(t) PyType_HasFeature((t), Py_TPFLAGS_HAVE_GC) |