From 1fdbe0f437de59f87527818918b55d794a5fb92d Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 9 Jun 2011 14:45:56 +0000
Subject: * gc.c (rb_objspace_call_finalizer): use rb_typeddata_is_kind_of()
 for   type check to get rid of a double free when main Thread has singleton  
 class. [ruby-core:36741] [Bug #4828] * thread.c (rb_obj_is_mutex): add a new
 utility function. * vm.c (rb_obj_is_thread): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31968 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 internal.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'internal.h')

diff --git a/internal.h b/internal.h
index 4e39e47f75..2ef1fc4337 100644
--- a/internal.h
+++ b/internal.h
@@ -27,6 +27,9 @@ struct rb_classext_struct {
 
 VALUE rb_big_uminus(VALUE x);
 
+VALUE rb_obj_is_thread(VALUE obj);
+VALUE rb_obj_is_mutex(VALUE obj);
+
 #if defined(__cplusplus)
 #if 0
 { /* satisfy cc-mode */
-- 
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