Add initial support for POSIX barriers (pthread_barrier_{init,wait,destroy}).


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8766 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/glibc-2.34567-NPTL-helgrind.supp b/glibc-2.34567-NPTL-helgrind.supp
index ba6d50c..f47f0db 100644
--- a/glibc-2.34567-NPTL-helgrind.supp
+++ b/glibc-2.34567-NPTL-helgrind.supp
@@ -215,6 +215,11 @@
    Helgrind:Race
    fun:pthread_create@*
 }
+{
+   helgrind-glibc28-113
+   Helgrind:Race
+   fun:pthread_barrier_wait*
+}
 
 ######------------ glibc-2.7 specific ---------######
 #