Forgot this file.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4411 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/pub_core_oset.h b/coregrind/pub_core_oset.h
new file mode 100644
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--- /dev/null
+++ b/coregrind/pub_core_oset.h
@@ -0,0 +1,49 @@
+
+/*--------------------------------------------------------------------*/
+/*--- An ordered set implemenation. pub_core_oset.h ---*/
+/*--------------------------------------------------------------------*/
+
+/*
+ This file is part of Valgrind, a dynamic binary instrumentation
+ framework.
+
+ Copyright (C) 2000-2005 Julian Seward
+ jseward@acm.org
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ The GNU General Public License is contained in the file COPYING.
+*/
+
+#ifndef __PUB_CORE_OSET_H
+#define __PUB_CORE_OSET_H
+
+//--------------------------------------------------------------------
+// PURPOSE: A generic data structure with fast (eg. amortised log(n) or
+// better) insertion, lookup and deletion of elements. It does not allow
+// duplicates.
+//--------------------------------------------------------------------
+
+#include "pub_tool_oset.h"
+
+// No core-only exports; everything in this module is visible to both
+// the core and tools.
+
+#endif // __PUB_CORE_OSET_H
+
+/*--------------------------------------------------------------------*/
+/*--- end ---*/
+/*--------------------------------------------------------------------*/