From 371639ea1f0b4e9c3c16a2d5562c993eac2749cf Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Fri, 28 Feb 2014 10:47:07 +0000
Subject: [PATCH] tsan: deflake test

llvm-svn: 202484
---
 compiler-rt/test/tsan/cond_race.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler-rt/test/tsan/cond_race.cc b/compiler-rt/test/tsan/cond_race.cc
index 1e2acb243279..de9f18d21941 100644
--- a/compiler-rt/test/tsan/cond_race.cc
+++ b/compiler-rt/test/tsan/cond_race.cc
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <pthread.h>
+#include <unistd.h>
 
 struct Ctx {
   pthread_mutex_t m;
@@ -31,6 +32,8 @@ int main() {
   while (!c->done)
     pthread_cond_wait(&c->c, &c->m);
   pthread_mutex_unlock(&c->m);
+  // w/o this sleep, it can be reported as use-after-free
+  sleep(1);
   delete c;
   pthread_join(th, 0);
 }