From 74465df43f7ee92f44ba65c19c01e02fa1f13e98 Mon Sep 17 00:00:00 2001
From: Melanie <melanie@t-data.com>
Date: Wed, 29 Aug 2012 11:45:28 +0200
Subject: [PATCH] Fix issue with the quit packet being stuck int he queue and a
 one packet delay. Also fix semaphore excetion caused by enqueueing while
 dequque is taking place.

---
 OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index c817e44b29..75a47d5379 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -1606,10 +1606,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 else
                     res = m_lowQueue.Dequeue();
 
-                if (m_highQueue.Count == 0 || m_lowQueue.Count == 0)
+                if (m_highQueue.Count == 0 && m_lowQueue.Count == 0)
                     return true;
 
-                m_s.Release();
+                try
+                {
+                    m_s.Release();
+                }
+                catch
+                {
+                }
 
                 return true;
             }