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gh-102013: Move PyUnstable_GC_VisitObjects() to Include/cpython/objimpl.h (#115560)

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Include/objimpl.h must only contain the limited C API, whereas
PyUnstable_GC_VisitObjects() is excluded from the limited C API.
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Victor Stinner 2024-02-16 15:49:13 +01:00 committed by GitHub
parent b178eae3a6
commit 144eb5605b
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2 changed files with 17 additions and 19 deletions
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17
Include/cpython/objimpl.h
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@ -85,3 +85,20 @@ PyAPI_FUNC(PyObject **) PyObject_GET_WEAKREFS_LISTPTR(PyObject *op);
PyAPI_FUNC(PyObject *) PyUnstable_Object_GC_NewWithExtraData(PyTypeObject *,
size_t);
/* 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);

19
Include/objimpl.h
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@ -153,25 +153,6 @@ 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)