Index: boost/thread/detail/thread.hpp
===================================================================
--- boost/thread/detail/thread.hpp	(revision 80189)
+++ boost/thread/detail/thread.hpp	(working copy)
@@ -364,30 +364,18 @@
 #endif
 #if defined(BOOST_THREAD_PLATFORM_WIN32)
         bool timed_join(const system_time& abs_time);
-
+    private:
+        bool do_try_join_until(uintmax_t milli);
+    public:
 #ifdef BOOST_THREAD_USES_CHRONO
-        bool try_join_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp);
-//        bool try_join_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
-//        {
-//          if (this_thread::get_id() == get_id())
-//          {
-//            boost::throw_exception(thread_resource_error(system::errc::resource_deadlock_would_occur, "boost thread: trying joining itself"));
-//          }
-//          detail::thread_data_ptr local_thread_info=(get_thread_info)();
-//          if(local_thread_info)
-//          {
-//            chrono::milliseconds rel_time= chrono::ceil<chrono::milliseconds>(tp-chrono::system_clock::now());
-//            if(!this_thread::interruptible_wait(local_thread_info->thread_handle,rel_time.count()))
-//            {
-//                return false;
-//            }
-//            release_handle();
-//          }
-//          return true;
-//        }
+        bool try_join_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
+        {
+          chrono::milliseconds rel_time= chrono::ceil<chrono::milliseconds>(tp-chrono::system_clock::now());
+          return do_try_join_until(rel_time.count());
+        }
 #endif
-    public:
 
+
 #else
         bool timed_join(const system_time& abs_time)
         {
Index: libs/thread/src/win32/thread.cpp
===================================================================
--- libs/thread/src/win32/thread.cpp	(revision 80189)
+++ libs/thread/src/win32/thread.cpp	(working copy)
@@ -318,45 +318,27 @@
 
     bool thread::timed_join(boost::system_time const& wait_until)
     {
-        if (this_thread::get_id() == get_id())
-        {
-            boost::throw_exception(thread_resource_error(system::errc::resource_deadlock_would_occur, "boost thread: trying joining itself"));
-        }
-        detail::thread_data_ptr local_thread_info=(get_thread_info)();
-        if(local_thread_info)
-        {
-            if(!this_thread::interruptible_wait(local_thread_info->thread_handle,get_milliseconds_until(wait_until)))
-            {
-                return false;
-            }
-            release_handle();
-        }
-        return true;
+      return do_try_join_until(get_milliseconds_until(wait_until));
     }
 
-#ifdef BOOST_THREAD_USES_CHRONO
-
-    bool thread::try_join_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
+    bool thread::do_try_join_until(uintmax_t milli)
     {
       if (this_thread::get_id() == get_id())
       {
-        boost::throw_exception(thread_resource_error(system::errc::resource_deadlock_would_occur, "boost thread: trying joining itself"));
+          boost::throw_exception(thread_resource_error(system::errc::resource_deadlock_would_occur, "boost thread: trying joining itself"));
       }
       detail::thread_data_ptr local_thread_info=(get_thread_info)();
       if(local_thread_info)
       {
-        chrono::milliseconds rel_time= chrono::ceil<chrono::milliseconds>(tp-chrono::system_clock::now());
-        if(!this_thread::interruptible_wait(local_thread_info->thread_handle,rel_time.count()))
-        {
-            return false;
-        }
-        release_handle();
+          if(!this_thread::interruptible_wait(local_thread_info->thread_handle,milli))
+          {
+              return false;
+          }
+          release_handle();
       }
       return true;
     }
 
-#endif
-
     void thread::detach() BOOST_NOEXCEPT
     {
         release_handle();