Suppressed reports about data races during thread creation.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7843 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-drd/drd_clientreq.h b/exp-drd/drd_clientreq.h
index 81d8320..46f56e2 100644
--- a/exp-drd/drd_clientreq.h
+++ b/exp-drd/drd_clientreq.h
@@ -35,6 +35,12 @@
   /* To ask the drd tool to stop tracing accesses to the specified range. */
   VG_USERREQ__DRD_STOP_TRACE_ADDR,
   /* args: Addr, SizeT. */
+  /* Let the drd tool stop recording memory accesses in the calling thread. */
+  VG_USERREQ__DRD_STOP_RECORDING,
+  /* args: none. */
+  /* Let the drd tool start recording memory accesses in the calling thread. */
+  VG_USERREQ__DRD_START_RECORDING,
+  /* args: none. */
 
   /* Tell the core the pthread_t of the running thread */
   VG_USERREQ__SET_PTHREADID,