1 files changed, 3 insertions, 1 deletions
diff --git a/test/tsan/java_race_move.cc b/test/tsan/java_race_move.cc
index 8a51be92aa100..6d1b092160e07 100644
--- a/test/tsan/java_race_move.cc
+++ b/test/tsan/java_race_move.cc
@@ -5,12 +5,13 @@ jptr varaddr;
 jptr varaddr2;
 
 void *Thread(void *p) {
-  sleep(1);
+  barrier_wait(&barrier);
   *(int*)varaddr2 = 42;
   return 0;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   int const kHeapSize = 1024 * 1024;
   jptr jheap = (jptr)malloc(kHeapSize + 8) + 8;
   __tsan_java_init(jheap, kHeapSize);
@@ -23,6 +24,7 @@ int main() {
   pthread_create(&th, 0, Thread, 0);
   *(int*)varaddr = 43;
   __tsan_java_move(varaddr, varaddr2, kBlockSize);
+  barrier_wait(&barrier);
   pthread_join(th, 0);
   __tsan_java_free(varaddr2, kBlockSize);
   fprintf(stderr, "DONE\n");