From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001
From: Ben Cheng <bccheng@google.com>
Date: Tue, 25 Mar 2014 22:37:19 -0700
Subject: Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
---
 .../testsuite/c-c++-common/tsan/race_on_barrier.c  | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c

(limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c')

diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c
new file mode 100644
index 000000000..0a0e5faba
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c
@@ -0,0 +1,32 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
+
+pthread_barrier_t B;
+int Global;
+
+void *Thread1(void *x) {
+  pthread_barrier_init(&B, 0, 2);
+  pthread_barrier_wait(&B);
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  sleep(1);
+  pthread_barrier_wait(&B);
+  return NULL;
+}
+
+int main() {
+  pthread_t t;
+  pthread_create(&t, NULL, Thread1, NULL);
+  Thread2(0);
+  pthread_join(t, NULL);
+  pthread_barrier_destroy(&B);
+  return 0;
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */
-- 
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