Even more optimizations.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7678 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-drd/drd_thread.h b/exp-drd/drd_thread.h
index 5c5aae0..3817d06 100644
--- a/exp-drd/drd_thread.h
+++ b/exp-drd/drd_thread.h
@@ -171,5 +171,11 @@
   return s_threadinfo[tid].last;
 }
 
+/** Return a pointer to the latest segment for the running thread. */
+static inline
+Segment* running_thread_get_segment(void)
+{
+  return thread_get_segment(s_drd_running_tid);
+}
 
 #endif // __THREAD_H