diff -r 000000000000 -r bde4ae8d615e os/ossrv/ossrv_pub/boost_apis/boost/signals.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/ossrv_pub/boost_apis/boost/signals.hpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,10 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2003-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org/libs/signals
+#include <boost/signal.hpp>
+