From 46c833810ccd9dd0c3273803e208dc85bb0860a9 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Thu, 21 Mar 2013 00:46:08 +0000
Subject: On a teleport, lock m_agentsInTransit whilst we grab the value to
 check for completion just to be sure we're not using a thread cached version.

---
 .../Framework/EntityTransfer/EntityTransferStateMachine.cs       | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferStateMachine.cs')

diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferStateMachine.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferStateMachine.cs
index 24d81d9..7314727 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferStateMachine.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferStateMachine.cs
@@ -292,8 +292,15 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
 
             // There should be no race condition here since no other code should be removing the agent transfer or
             // changing the state to another other than Transferring => ReceivedAtDestination.
-            while (m_agentsInTransit[id] != AgentTransferState.ReceivedAtDestination && count-- > 0)
+
+            while (count-- > 0)
             {
+                lock (m_agentsInTransit)
+                {
+                    if (m_agentsInTransit[id] == AgentTransferState.ReceivedAtDestination)
+                        break;
+                }
+
 //                m_log.Debug("  >>> Waiting... " + count);
                 Thread.Sleep(100);
             }
-- 
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