X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Scheduler%2FClockService.hh;h=6067cec322114c565e16421eea6a634d442c1dc1;hb=04181eba2e5e1dd0a8552b69905d7a3d493e2d77;hp=02082ea057fcd0514a17854c7134eced102b9d26;hpb=412024ed31a4ab4eaea7a4165a434f8efebee325;p=senf.git

diff --git a/Scheduler/ClockService.hh b/Scheduler/ClockService.hh
index 02082ea..6067cec 100644
--- a/Scheduler/ClockService.hh
+++ b/Scheduler/ClockService.hh
@@ -86,6 +86,12 @@ namespace senf {
          */
         typedef boost::posix_time::ptime abstime_type;
 
+        /** \brief Relative time data type
+
+            Boost.DateTime datatype used to represent time intervals
+         */
+        typedef boost::posix_time::time_duration reltime_type;
+
         ///////////////////////////////////////////////////////////////////////////
 
         static clock_type now();  ///< Return current clock value
@@ -98,6 +104,12 @@ namespace senf {
                                                  monotonous, absolute time may be non-monotonous if
                                                  the system date/time is changed. */
 
+        static reltime_type reltime(clock_type clock); ///< Convert clock to relative time
+                                        /**< This member converts a clock value into a relative
+                                             Boost.DateTime time interval
+                                             \note The resolution of reltime_type might be smaller
+                                                 than the clock_type resolution */
+
         static clock_type clock(abstime_type time); ///< Convert absolute time to clock value
                                         /**< This member converst an absolute time value into the
                                              corresponding clock value.