nobu	2009-05-16 17:57:41 +0900 (Sat, 16 May 2009)

  New Revision: 23444

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=23444

  Log:
    * ext/dl/lib/dl/callback.rb (DL#remove_callback_internal): ignore
      unbound function.  [ruby-dev:38474]

  Modified files:
    trunk/ChangeLog
    trunk/ext/dl/lib/dl/callback.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 23443)
+++ ChangeLog	(revision 23444)
@@ -1,3 +1,8 @@
+Sat May 16 17:57:39 2009  Nobuyoshi Nakada  <nobu@r...>
+
+	* ext/dl/lib/dl/callback.rb (DL#remove_callback_internal): ignore
+	  unbound function.  [ruby-dev:38474]
+
 Sat May 16 17:51:11 2009  Kouhei Sutou  <kou@c...>
 
 	* sample/rss/rss_recent.rb, sample/rss/list_description.rb: use
Index: ext/dl/lib/dl/callback.rb
===================================================================
--- ext/dl/lib/dl/callback.rb	(revision 23443)
+++ ext/dl/lib/dl/callback.rb	(revision 23444)
@@ -48,7 +48,7 @@
         }
       }
     end
-    if( proc_entry[ctype][index] )
+    if( index and proc_entry[ctype][index] )
       proc_entry[ctype][index] = nil
       return true
     else

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