From e21ac8b3c40665449e8dc1bbc5647b93c1a59f6c Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Thu, 17 Nov 2016 20:59:13 +0000
Subject: [PATCH]  counting issus safeguard

---
 OpenSim/Framework/LocklessQueue.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/OpenSim/Framework/LocklessQueue.cs b/OpenSim/Framework/LocklessQueue.cs
index 9bd9baf321..7ccbba7b55 100644
--- a/OpenSim/Framework/LocklessQueue.cs
+++ b/OpenSim/Framework/LocklessQueue.cs
@@ -93,7 +93,10 @@ namespace OpenSim.Framework
                     if (oldHead == oldTail)
                     {
                         if (oldHeadNext == null)
+                        {
+                            count = 0;
                             return false;
+                        }
 
                         CAS(ref tail, oldTail, oldHeadNext);
                     }
@@ -118,8 +121,7 @@ namespace OpenSim.Framework
         {
             // ugly
             T item;
-            while(count > 0)
-                Dequeue(out item);
+            while(Dequeue(out item));
             Init();
         }