--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/thread/thread_time.hpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,50 @@
+#ifndef BOOST_THREAD_TIME_HPP
+#define BOOST_THREAD_TIME_HPP
+//  (C) Copyright 2007 Anthony Williams 
+//
+//  Distributed under 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)
+
+#include <boost/date_time/microsec_time_clock.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+    typedef boost::posix_time::ptime system_time;
+    
+    inline system_time get_system_time()
+    {
+        return boost::date_time::microsec_clock<system_time>::universal_time();
+    }
+
+    namespace detail
+    {
+        inline system_time get_system_time_sentinel()
+        {
+            return system_time(boost::posix_time::pos_infin);
+        }
+
+        inline unsigned long get_milliseconds_until(system_time const& target_time)
+        {
+            if(target_time.is_pos_infinity())
+            {
+                return ~(unsigned long)0;
+            }
+            system_time const now=get_system_time();
+            if(target_time<=now)
+            {
+                return 0;
+            }
+            return static_cast<unsigned long>((target_time-now).total_milliseconds()+1);
+        }
+
+    }
+    
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif