From 2175b008142fa939bfc9f6eeeb10ede576b2c0b3 Mon Sep 17 00:00:00 2001
From: David Schury <dasc@posteo.de>
Date: Thu, 17 Sep 2015 18:58:13 +0200
Subject: [PATCH] Fixed thread unsafe flush method.

---
 include/spdlog/sinks/dist_sink.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/spdlog/sinks/dist_sink.h b/include/spdlog/sinks/dist_sink.h
index 06728db7..45cb8d7a 100644
--- a/include/spdlog/sinks/dist_sink.h
+++ b/include/spdlog/sinks/dist_sink.h
@@ -60,6 +60,7 @@ protected:
 public:
     void flush() override
     {
+        std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
         for (auto iter = _sinks.begin(); iter != _sinks.end(); iter++)
             (*iter)->flush();
     }