From c26c1e234ab3e7839b21e095b8cee1bdc4de7ad5 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Mon, 19 Aug 2013 23:54:54 +0900
Subject: [PATCH] Move GHR outside of function and provide ctor to suppress
 compiler warning

Without ctor, compiler emits warning "unused variable ghr".
---
 src/DownloadEngine.cc | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/DownloadEngine.cc b/src/DownloadEngine.cc
index 9f3283dc..ba730076 100644
--- a/src/DownloadEngine.cc
+++ b/src/DownloadEngine.cc
@@ -140,15 +140,20 @@ void executeCommand(std::deque<std::unique_ptr<Command>>& commands,
 }
 } // namespace
 
+namespace {
+class GHR {
+public:
+  GHR() {}
+  ~GHR()
+  {
+    global::globalHaltRequested = 5;
+  }
+};
+} // namespace
+
 int DownloadEngine::run(bool oneshot)
 {
-  class GHR {
-    public:
-      ~GHR() {
-        global::globalHaltRequested = 5;
-      }
-  } ghr;
-
+  GHR ghr;
   while(!commands_.empty() || !routineCommands_.empty()) {
     if(!commands_.empty()) {
       waitData();