python 2.7 -> python 3.14

extern/include/python/internal/pycore_uniqueid.h

@@ -0,0 +1,57 @@
+#ifndef Py_INTERNAL_UNIQUEID_H
+#define Py_INTERNAL_UNIQUEID_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef Py_BUILD_CORE
+#  error "this header requires Py_BUILD_CORE define"
+#endif
+
+#ifdef Py_GIL_DISABLED
+
+// This contains code for allocating unique ids to objects for per-thread
+// reference counting.
+//
+// Per-thread reference counting is used along with deferred reference
+// counting to avoid scaling bottlenecks due to reference count contention.
+//
+// An id of 0 is used to indicate that an object doesn't use per-thread
+// refcounting. This value is used when the object is finalized by the GC
+// and during interpreter shutdown to allow the object to be
+// deallocated promptly when the object's refcount reaches zero.
+//
+// Each entry implicitly represents a unique id based on its offset in the
+// table. Non-allocated entries form a free-list via the 'next' pointer.
+// Allocated entries store the corresponding PyObject.
+
+#define _Py_INVALID_UNIQUE_ID 0
+
+// Assigns the next id from the pool of ids.
+extern Py_ssize_t _PyObject_AssignUniqueId(PyObject *obj);
+
+// Releases the allocated id back to the pool.
+extern void _PyObject_ReleaseUniqueId(Py_ssize_t unique_id);
+
+// Releases the allocated id back to the pool.
+extern void _PyObject_DisablePerThreadRefcounting(PyObject *obj);
+
+// Merges the per-thread reference counts into the corresponding objects.
+extern void _PyObject_MergePerThreadRefcounts(_PyThreadStateImpl *tstate);
+
+// Like _PyObject_MergePerThreadRefcounts, but also frees the per-thread
+// array of refcounts.
+extern void _PyObject_FinalizePerThreadRefcounts(_PyThreadStateImpl *tstate);
+
+// Frees the interpreter's pool of type ids.
+extern void _PyObject_FinalizeUniqueIdPool(PyInterpreterState *interp);
+
+// Increfs the object, resizing the thread-local refcount array if necessary.
+PyAPI_FUNC(void) _PyObject_ThreadIncrefSlow(PyObject *obj, size_t idx);
+
+#endif   /* Py_GIL_DISABLED */
+
+#ifdef __cplusplus
+}
+#endif
+#endif   /* !Py_INTERNAL_UNIQUEID_H */