1 files changed, 15 insertions, 1 deletions
diff --git a/include/ruby/ractor.h b/include/ruby/ractor.h
index 7811616f6d..8cfca21621 100644
--- a/include/ruby/ractor.h
+++ b/include/ruby/ractor.h
@@ -217,7 +217,7 @@ VALUE rb_ractor_make_shareable(VALUE obj);
  *
  * @param[in]   obj              Arbitrary ruby object to duplicate.
  * @exception   rb_eRactorError  Ractors cannot share `obj` by nature.
- * @return      A deep copy of `obj` which is sharable among Ractors.
+ * @return      A deep copy of `obj` which is shareable among Ractors.
  */
 VALUE rb_ractor_make_shareable_copy(VALUE obj);
 
@@ -261,4 +261,18 @@ rb_ractor_shareable_p(VALUE obj)
     }
 }
 
+// TODO: optimize on interpreter core
+#ifndef RB_OBJ_SET_SHAREABLE
+VALUE rb_obj_set_shareable(VALUE obj); // ractor.c
+#define RB_OBJ_SET_SHAREABLE(obj) rb_obj_set_shareable(obj)
+#endif
+
+static inline VALUE
+RB_OBJ_SET_FROZEN_SHAREABLE(VALUE obj)
+{
+    RB_OBJ_FREEZE(obj);
+    RB_OBJ_SET_SHAREABLE(obj);
+    return obj;
+}
+
 #endif /* RUBY_RACTOR_H */