From 88a372c67173490c0432f3252b136f9612480586 Mon Sep 17 00:00:00 2001
From: David Hall <david.hall@mariadb.com>
Date: Mon, 20 Feb 2017 11:45:29 -0600
Subject: [PATCH] MCOL-513 Use vector ref for join to prevent vector copy.

---
 utils/threadpool/threadpool.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/threadpool/threadpool.cpp b/utils/threadpool/threadpool.cpp
index b232617d6..1281e0b5f 100644
--- a/utils/threadpool/threadpool.cpp
+++ b/utils/threadpool/threadpool.cpp
@@ -134,7 +134,7 @@ void ThreadPool::join(uint64_t thrHandle)
     }
 }
 
-void ThreadPool::join(std::vector<uint64_t> thrHandle)
+void ThreadPool::join(std::vector<uint64_t>& thrHandle)
 {
     boost::mutex::scoped_lock lock1(fMutex);