1 files changed, 7 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tsan/cond_race.C b/gcc-4.9/gcc/testsuite/g++.dg/tsan/cond_race.C
index a93761477..d72d0fb54 100644
--- a/gcc-4.9/gcc/testsuite/g++.dg/tsan/cond_race.C
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tsan/cond_race.C
@@ -1,10 +1,12 @@
 /* { dg-shouldfail "tsan" } */
+/* { dg-additional-options "-ldl" } */
 /* { dg-output "ThreadSanitizer: data race.*" } */
 /* { dg-output "pthread_cond_signal.*" } */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <pthread.h>
+#include "tsan_barrier.h"
+
+static pthread_barrier_t barrier;
 
 struct Ctx {
   pthread_mutex_t m;
@@ -18,10 +20,12 @@ void *thr(void *p) {
   c->done = true;
   pthread_mutex_unlock(&c->m);
   pthread_cond_signal(&c->c);
+  barrier_wait(&barrier);
   return 0;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   Ctx *c = new Ctx();
   pthread_mutex_init(&c->m, 0);
   pthread_cond_init(&c->c, 0);
@@ -31,6 +35,7 @@ int main() {
   while (!c->done)
     pthread_cond_wait(&c->c, &c->m);
   pthread_mutex_unlock(&c->m);
+  barrier_wait(&barrier);
   delete c;
   pthread_join(th, 0);
 }