1 files changed, 4 insertions, 5 deletions
diff --git a/test/tsan/mop_with_offset2.cc b/test/tsan/mop_with_offset2.cc
index a465d5f094716..460267359cec0 100644
--- a/test/tsan/mop_with_offset2.cc
+++ b/test/tsan/mop_with_offset2.cc
@@ -1,11 +1,8 @@
 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
-#include <pthread.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <unistd.h>
+#include "test.h"
 
 void *Thread1(void *x) {
-  sleep(1);
+  barrier_wait(&barrier);
   int *p = (int*)x;
   p[0] = 1;
   return NULL;
@@ -14,10 +11,12 @@ void *Thread1(void *x) {
 void *Thread2(void *x) {
   char *p = (char*)x;
   p[2] = 1;
+  barrier_wait(&barrier);
   return NULL;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   int *data = new int(42);
   fprintf(stderr, "ptr1=%p\n", data);
   fprintf(stderr, "ptr2=%p\n", (char*)data + 2);