From 885cd05f1abc5b7ff580e5a64abb1de045d6822e Mon Sep 17 00:00:00 2001
From: Dennis Luxen <info@project-osrm.org>
Date: Tue, 1 Jul 2014 16:15:56 +0200
Subject: [PATCH] fix data race in SimpleLogger by making state indicator
 variable atomic

---
 Util/SimpleLogger.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Util/SimpleLogger.h b/Util/SimpleLogger.h
index a234c9646..648b65db6 100644
--- a/Util/SimpleLogger.h
+++ b/Util/SimpleLogger.h
@@ -40,6 +40,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <unistd.h>
 #endif
 
+#include <atomic>
 #include <ostream>
 #include <iostream>
 #include <mutex>
@@ -77,7 +78,7 @@ class LogPolicy
 
   private:
     LogPolicy() : m_is_mute(true) {}
-    bool m_is_mute;
+    std::atomic<bool> m_is_mute;
 };
 
 class SimpleLogger