From a0597dae2368fecea16c21f2d9f255476c330818 Mon Sep 17 00:00:00 2001
From: Ben Adams <thundercat@illyriad.co.uk>
Date: Wed, 10 Aug 2016 01:10:43 +0100
Subject: Fix MemoryBarrier

---
 src/vm/win32threadpool.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/vm/win32threadpool.cpp')

diff --git a/src/vm/win32threadpool.cpp b/src/vm/win32threadpool.cpp
index 2ec7deded4..23ed911611 100644
--- a/src/vm/win32threadpool.cpp
+++ b/src/vm/win32threadpool.cpp
@@ -1263,10 +1263,10 @@ void ThreadpoolMgr::AdjustMaxWorkersActive()
         }
 
         PriorCompletedWorkRequests = totalNumCompletions;
-        PriorCompletedWorkRequestsTime = currentTicks;
         NextCompletedWorkRequestsTime = currentTicks + ThreadAdjustmentInterval;
-        CurrentSampleStartTime = endTime;
-        MemoryBarrier();
+        MemoryBarrier(); // flush previous writes (especially NextCompletedWorkRequestsTime)
+        PriorCompletedWorkRequestsTime = currentTicks;
+        CurrentSampleStartTime = endTime;;
     }
 }
 
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