1 files changed, 4 insertions, 3 deletions
diff --git a/test/tsan/tiny_race.c b/test/tsan/tiny_race.c
index c10eab15c5a9..b6937febd117 100644
--- a/test/tsan/tiny_race.c
+++ b/test/tsan/tiny_race.c
@@ -1,19 +1,20 @@
 // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
-#include <pthread.h>
-#include <unistd.h>
+#include "test.h"
 
 int Global;
 
 void *Thread1(void *x) {
-  sleep(1);
+  barrier_wait(&barrier);
   Global = 42;
   return x;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   pthread_t t;
   pthread_create(&t, 0, Thread1, 0);
   Global = 43;
+  barrier_wait(&barrier);
   pthread_join(t, 0);
   return Global;
 }