1 files changed, 4 insertions, 4 deletions
diff --git a/test/tsan/stack_race2.cc b/test/tsan/stack_race2.cc
index 818db367bab6..00e31fb96b08 100644
--- a/test/tsan/stack_race2.cc
+++ b/test/tsan/stack_race2.cc
@@ -1,10 +1,8 @@
 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
-#include <pthread.h>
-#include <stddef.h>
-#include <unistd.h>
+#include "test.h"
 
 void *Thread2(void *a) {
-  sleep(1);
+  barrier_wait(&barrier);
   *(int*)a = 43;
   return 0;
 }
@@ -14,11 +12,13 @@ void *Thread(void *a) {
   pthread_t t;
   pthread_create(&t, 0, Thread2, &Var);
   Var = 42;
+  barrier_wait(&barrier);
   pthread_join(t, 0);
   return 0;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   pthread_t t;
   pthread_create(&t, 0, Thread, 0);
   pthread_join(t, 0);