1 files changed, 66 insertions, 0 deletions
diff --git a/contrib/tools/python3/Modules/_interpreters_common.h b/contrib/tools/python3/Modules/_interpreters_common.h
new file mode 100644
index 00000000000..0d2e0c9efd3
--- /dev/null
+++ b/contrib/tools/python3/Modules/_interpreters_common.h
@@ -0,0 +1,66 @@
+
+#define _RESOLVE_MODINIT_FUNC_NAME(NAME) \
+    PyInit_ ## NAME
+#define RESOLVE_MODINIT_FUNC_NAME(NAME) \
+    _RESOLVE_MODINIT_FUNC_NAME(NAME)
+
+
+static int
+ensure_xid_class(PyTypeObject *cls, crossinterpdatafunc getdata)
+{
+    //assert(cls->tp_flags & Py_TPFLAGS_HEAPTYPE);
+    return _PyCrossInterpreterData_RegisterClass(cls, getdata);
+}
+
+#ifdef REGISTERS_HEAP_TYPES
+static int
+clear_xid_class(PyTypeObject *cls)
+{
+    return _PyCrossInterpreterData_UnregisterClass(cls);
+}
+#endif
+
+
+static inline int64_t
+_get_interpid(_PyCrossInterpreterData *data)
+{
+    int64_t interpid;
+    if (data != NULL) {
+        interpid = _PyCrossInterpreterData_INTERPID(data);
+        assert(!PyErr_Occurred());
+    }
+    else {
+        interpid = PyInterpreterState_GetID(PyInterpreterState_Get());
+    }
+    return interpid;
+}
+
+
+/* unbound items ************************************************************/
+
+#ifdef HAS_UNBOUND_ITEMS
+
+#define UNBOUND_REMOVE 1
+#define UNBOUND_ERROR 2
+#define UNBOUND_REPLACE 3
+
+// It would also be possible to add UNBOUND_REPLACE where the replacement
+// value is user-provided.  There would be some limitations there, though.
+// Another possibility would be something like UNBOUND_COPY, where the
+// object is released but the underlying data is copied (with the "raw"
+// allocator) and used when the item is popped off the queue.
+
+static int
+check_unbound(int unboundop)
+{
+    switch (unboundop) {
+    case UNBOUND_REMOVE:
+    case UNBOUND_ERROR:
+    case UNBOUND_REPLACE:
+        return 1;
+    default:
+        return 0;
+    }
+}
+
+#endif