From 4eb80dd8d273d4785c780cf10e1bad9433ab8a35 Mon Sep 17 00:00:00 2001
From: Luiz Siqueira <indiosmo@gmail.com>
Date: Tue, 14 Aug 2018 10:11:03 -0300
Subject: [PATCH] acquire lock before reading overrun_counter

---
 include/spdlog/details/mpmc_blocking_q.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/spdlog/details/mpmc_blocking_q.h b/include/spdlog/details/mpmc_blocking_q.h
index 9a922e04..cf34d225 100644
--- a/include/spdlog/details/mpmc_blocking_q.h
+++ b/include/spdlog/details/mpmc_blocking_q.h
@@ -32,6 +32,7 @@ public:
 
     size_t overrun_counter() const
     {
+      std::unique_lock<std::mutex> lock(queue_mutex_);
       return q_.overrun_counter();
     }