Index: boost/asio/detail/impl/handler_tracking.ipp
===================================================================
--- boost/asio/detail/impl/handler_tracking.ipp	(版本 84944)
+++ boost/asio/detail/impl/handler_tracking.ipp	(工作副本)
@@ -158,7 +158,7 @@
 #else // defined(BOOST_ASIO_WINDOWS)
       "@asio|%llu.%06llu|>%llu|\n",
 #endif // defined(BOOST_ASIO_WINDOWS)
-      timestamp.seconds, timestamp.microseconds);
+      timestamp.seconds, timestamp.microseconds, id_);
 
   invoked_ = true;
 }
@@ -244,7 +244,7 @@
 #else // defined(BOOST_ASIO_WINDOWS)
         "@asio|%llu.%06llu|<%llu|\n",
 #endif // defined(BOOST_ASIO_WINDOWS)
-        timestamp.seconds, timestamp.microseconds);
+        timestamp.seconds, timestamp.microseconds, id_);
 
     id_ = 0;
   }