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authorYiran Wang <yiran@google.com>2015-06-23 15:33:17 -0700
committerYiran Wang <yiran@google.com>2015-06-29 10:56:28 -0700
commit1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch)
tree3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
parentf378ebf14df0952eae870c9865bab8326aa8f137 (diff)
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Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c')
-rw-r--r--gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
index 44d44554c..c681dcef1 100644
--- a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/sleep_sync.c
@@ -1,8 +1,11 @@
/* { dg-shouldfail "tsan" } */
+/* { dg-additional-options "-ldl" } */
#include <pthread.h>
#include <unistd.h>
+#include "tsan_barrier.h"
+static pthread_barrier_t barrier;
int X = 0;
void MySleep() {
@@ -10,15 +13,18 @@ void MySleep() {
}
void *Thread(void *p) {
+ barrier_wait(&barrier);
MySleep(); // Assume the main thread has done the write.
X = 42;
return 0;
}
int main() {
+ barrier_init(&barrier, 2);
pthread_t t;
pthread_create(&t, 0, Thread, 0);
X = 43;
+ barrier_wait(&barrier);
pthread_join(t, 0);
return 0;
}