* gc.c (chain_finalized_object): should not delete from finalizer

table until run.

* gc.c (rb_gc_call_finalizer_at_exit): deferred_final_list may be
  empty first.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17737 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Mon Jun 30 22:12:46 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* gc.c (chain_finalized_object): should not delete from finalizer
+	  table until run.
+
+	* gc.c (rb_gc_call_finalizer_at_exit): deferred_final_list may be
+	  empty first.
+
 Mon Jun 30 18:57:05 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* gc.c (gc_finalize_deferred): allow object allocation in finalizers.

gc.c

@@ -2041,7 +2041,7 @@ chain_finalized_object(st_data_t key, st_data_t val, st_data_t arg)
 	p->as.free.next = *final_list;
 	*final_list = p;
     }
-    return ST_DELETE;
+    return ST_CONTINUE;
 }
 
 void
@@ -2053,12 +2053,13 @@ rb_gc_call_finalizer_at_exit(void)
 
     /* run finalizers */
     if (need_call_final) {
-	while ((p = deferred_final_list) != 0) {
+	do {
+	    p = deferred_final_list;
 	    deferred_final_list = 0;
 	    finalize_list(objspace, p);
 	    st_foreach(finalizer_table, chain_finalized_object,
 		       (st_data_t)&deferred_final_list);
-	}
+	} while (deferred_final_list);
     }
     /* finalizers are part of garbage collection */
     during_gc++;