1 files changed, 4 insertions, 4 deletions
diff --git a/test/tsan/mutexset7.cc b/test/tsan/mutexset7.cc
index 12174844c799..d3a221d1b421 100644
--- a/test/tsan/mutexset7.cc
+++ b/test/tsan/mutexset7.cc
@@ -1,13 +1,11 @@
 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
-#include <pthread.h>
-#include <stdio.h>
-#include <unistd.h>
+#include "test.h"
 
 int Global;
 __thread int huge[1024*1024];
 
 void *Thread1(void *x) {
-  sleep(1);
+  barrier_wait(&barrier);
   Global++;
   return NULL;
 }
@@ -20,10 +18,12 @@ void *Thread2(void *x) {
   pthread_mutex_unlock(mtx);
   pthread_mutex_destroy(mtx);
   delete mtx;
+  barrier_wait(&barrier);
   return NULL;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   pthread_t t[2];
   pthread_create(&t[0], NULL, Thread1, NULL);
   pthread_create(&t[1], NULL, Thread2, NULL);