* object.c (copy_object): copy finalizers as well if any.

* gc.c (rb_gc_copy_finalizer): new function to copy finalizers.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/gc.c b/gc.c
index 3f8c4f97b..f925e55e0 100644
--- a/gc.c
+++ b/gc.c
@@ -1475,6 +1475,22 @@ define_final(argc, argv, os)
     return proc;
 }
 
+void
+rb_gc_copy_finalizer(dest, obj)
+    VALUE dest, obj;
+{
+    VALUE table;
+
+    if (!finalizer_table) return;
+    if (!FL_TEST(obj, FL_FINALIZE)) return;
+    if (FL_TEST(dest, FL_FINALIZE)) {
+	rb_warn("copy_finalizer: descarding old finalizers");
+    }
+    if (st_lookup(finalizer_table, obj, &table)) {
+	st_insert(finalizer_table, dest, table);
+    }
+}
+
 static VALUE
 run_single_final(args)
     VALUE *args;