From 888483098e60f2a944f1d246bbfec4d14a2975f8 Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Tue, 7 Jun 2016 16:29:03 +0200
Subject: Use C++11 thread-safe static initializers

---
 src/net.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'src/net.cpp')

diff --git a/src/net.cpp b/src/net.cpp
index 0bc501601..e29053cf5 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2601,12 +2601,8 @@ int64_t PoissonNextSend(int64_t nNow, int average_interval_seconds) {
 
 /* static */ uint64_t CNode::CalculateKeyedNetGroup(const CAddress& ad)
 {
-    static uint64_t k0 = 0, k1 = 0;
-    while (k0 == 0 && k1 == 0) {
-        // Make sure this only runs on the first invocation.
-        GetRandBytes((unsigned char*)&k0, sizeof(k0));
-        GetRandBytes((unsigned char*)&k1, sizeof(k1));
-    }
+    static const uint64_t k0 = GetRand(std::numeric_limits<uint64_t>::max());
+    static const uint64_t k1 = GetRand(std::numeric_limits<uint64_t>::max());
 
     std::vector<unsigned char> vchNetGroup(ad.GetGroup());
 
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