mirror of https://github.com/python/cpython
gh-102013: Move PyUnstable_GC_VisitObjects() to Include/cpython/objimpl.h (#115560)
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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@ -85,3 +85,20 @@ PyAPI_FUNC(PyObject **) PyObject_GET_WEAKREFS_LISTPTR(PyObject *op);
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PyAPI_FUNC(PyObject *) PyUnstable_Object_GC_NewWithExtraData(PyTypeObject *,
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size_t);
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/* Visit all live GC-capable objects, similar to gc.get_objects(None). The
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* supplied callback is called on every such object with the void* arg set
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* to the supplied arg. Returning 0 from the callback ends iteration, returning
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* 1 allows iteration to continue. Returning any other value may result in
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* undefined behaviour.
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*
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* If new objects are (de)allocated by the callback it is undefined if they
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* will be visited.
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* Garbage collection is disabled during operation. Explicitly running a
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* collection in the callback may lead to undefined behaviour e.g. visiting the
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* same objects multiple times or not at all.
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*/
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typedef int (*gcvisitobjects_t)(PyObject*, void*);
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PyAPI_FUNC(void) PyUnstable_GC_VisitObjects(gcvisitobjects_t callback, void* arg);
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@ -153,25 +153,6 @@ PyAPI_FUNC(int) PyGC_Enable(void);
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PyAPI_FUNC(int) PyGC_Disable(void);
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PyAPI_FUNC(int) PyGC_IsEnabled(void);
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#if !defined(Py_LIMITED_API)
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/* Visit all live GC-capable objects, similar to gc.get_objects(None). The
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* supplied callback is called on every such object with the void* arg set
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* to the supplied arg. Returning 0 from the callback ends iteration, returning
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* 1 allows iteration to continue. Returning any other value may result in
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* undefined behaviour.
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*
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* If new objects are (de)allocated by the callback it is undefined if they
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* will be visited.
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* Garbage collection is disabled during operation. Explicitly running a
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* collection in the callback may lead to undefined behaviour e.g. visiting the
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* same objects multiple times or not at all.
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*/
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typedef int (*gcvisitobjects_t)(PyObject*, void*);
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PyAPI_FUNC(void) PyUnstable_GC_VisitObjects(gcvisitobjects_t callback, void* arg);
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#endif
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/* Test if a type has a GC head */
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#define PyType_IS_GC(t) PyType_HasFeature((t), Py_TPFLAGS_HAVE_GC)
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