rti: Implement query{GALT,LITS} in the interface and RTI13.

[simgear.git] / simgear / timing / timestamp.hxx

diff --git a/simgear/timing/timestamp.hxx b/simgear/timing/timestamp.hxx
index e6aeb0a23657a2ec824e8869d222502e66ca2047..f195dc3740fbdedd4593b2d6c9ff6f574a648494 100644 (file)
--- a/simgear/timing/timestamp.hxx
+++ b/simgear/timing/timestamp.hxx
@@ -195,6 +195,10 @@ public:
     static SGTimeStamp now()
     { SGTimeStamp ts; ts.stamp(); return ts; }
 
+    /**
+     * elapsed time since the stamp was taken, in msec
+     */
+    int elapsedMSec() const;
 private:
     SGTimeStamp(sec_type sec, nsec_type nsec)
     { setTime(sec, nsec); }