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-rw-r--r--test/tsan/barrier.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/tsan/barrier.cc b/test/tsan/barrier.cc
index d8c2b6ffe514..de2756de2a12 100644
--- a/test/tsan/barrier.cc
+++ b/test/tsan/barrier.cc
@@ -2,6 +2,9 @@
// CHECK-NOT: ThreadSanitizer: data race
// CHECK: DONE
+// pthread barriers are not available on OS X
+// UNSUPPORTED: darwin
+
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>