Copyright 2014->2015

[folly.git] / folly / test / SynchronizedTestLib-inl.h

diff --git a/folly/test/SynchronizedTestLib-inl.h b/folly/test/SynchronizedTestLib-inl.h
index cbd43624b81e4af2fef59573a62df88a37c21c48..bee27f9a5cf5e6b47d1a3ba6d33f8d430b81f3fa 100644 (file)
--- a/folly/test/SynchronizedTestLib-inl.h
+++ b/folly/test/SynchronizedTestLib-inl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2015 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,19 +25,21 @@
 #include <thread>
 #include <vector>
 #include <glog/logging.h>
-#include "folly/Foreach.h"
-#include "folly/Random.h"
-#include "folly/Synchronized.h"
+#include <folly/Foreach.h>
+#include <folly/Random.h>
+#include <folly/Synchronized.h>
 
 
-static const auto seed = folly::randomNumberSeed();
-typedef std::mt19937 RandomT;
-static RandomT rng(seed);
+inline std::mt19937& getRNG() {
+  static const auto seed = folly::randomNumberSeed();
+  static std::mt19937 rng(seed);
+  return rng;
+}
 
 template <class Integral1, class Integral2>
 Integral2 random(Integral1 low, Integral2 up) {
   std::uniform_int_distribution<> range(low, up);
-  return range(rng);
+  return range(getRNG());
 }
 
 template <class Mutex>