From e6eac19062ebafaafdbf5b881f8195dfbc98d575 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Mon, 6 Feb 2017 17:38:57 -0500
Subject: [PATCH] Make nTimeBestReceived atomic

zcash: cherry picked from commit d8f2b8a8c032b83a3bd90750e58abaeece7e34e7
zcash: https://github.com/bitcoin/bitcoin/pull/9708
---
 src/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index 51b719128..ec52f1a6d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -65,7 +65,7 @@ CCriticalSection cs_main;
 BlockMap mapBlockIndex;
 CChain chainActive;
 CBlockIndex *pindexBestHeader = NULL;
-static int64_t nTimeBestReceived = 0;
+static std::atomic<int64_t> nTimeBestReceived(0); // Used only to inform the wallet of when we last received a block
 CWaitableCriticalSection csBestBlock;
 CConditionVariable cvBlockChange;
 int nScriptCheckThreads = 0;