From 7148f5e7d755fc2084f53fa22c0761d73c042fbd Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <dev@jonasschnelli.ch>
Date: Wed, 19 Apr 2017 18:45:11 +0200
Subject: Reduce cs_main locks during modal overlay by adding an atomic cache

---
 src/qt/clientmodel.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/qt/clientmodel.h')

diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h
index 2c10e633b8..6f7077dad6 100644
--- a/src/qt/clientmodel.h
+++ b/src/qt/clientmodel.h
@@ -51,8 +51,8 @@ public:
     //! Return number of connections, default is in- and outbound (total)
     int getNumConnections(unsigned int flags = CONNECTIONS_ALL) const;
     int getNumBlocks() const;
-    int getHeaderTipHeight() const;
-    int64_t getHeaderTipTime() const;
+    int getHeaderTipHeight();
+    int64_t getHeaderTipTime();
     //! Return number of transactions in the mempool
     long getMempoolSize() const;
     //! Return the dynamic memory usage of the mempool
@@ -81,6 +81,10 @@ public:
     QString formatClientStartupTime() const;
     QString dataDir() const;
 
+    // caches for the best header
+    std::atomic<int> cachedBestHeaderHeight;
+    std::atomic<int64_t> cachedBestHeaderTime;
+
 private:
     OptionsModel *optionsModel;
     PeerTableModel *peerTableModel;
-- 
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