From 38ba839eb35987e47b98f795fbdc6083ab48921c Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Thu, 25 Aug 2016 23:31:18 +0100
Subject: watchdog timeouts: replace a silly List copy i added doing it a
 better way

---
 OpenSim/Framework/Monitoring/Watchdog.cs | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Framework/Monitoring/Watchdog.cs b/OpenSim/Framework/Monitoring/Watchdog.cs
index b2c1fb1..ff439f5 100644
--- a/OpenSim/Framework/Monitoring/Watchdog.cs
+++ b/OpenSim/Framework/Monitoring/Watchdog.cs
@@ -332,18 +332,18 @@ namespace OpenSim.Framework.Monitoring
             if (callback != null)
             {
                 List<ThreadWatchdogInfo> callbackInfos = null;
-                List<ThreadWatchdogInfo> threadsInfo;
+                List<ThreadWatchdogInfo> threadsToRemove = null;
 
                 lock (m_threads)
                 {
-                    // get a copy since we may change m_threads
-                    threadsInfo = m_threads.Values.ToList();
-
-                    foreach(ThreadWatchdogInfo threadInfo in threadsInfo)
+                    foreach(ThreadWatchdogInfo threadInfo in m_threads.Values)
                     {
                         if(threadInfo.Thread.ThreadState == ThreadState.Stopped)
                         {
-                            RemoveThread(threadInfo.Thread.ManagedThreadId);
+                            if(threadsToRemove == null)
+                                threadsToRemove = new List<ThreadWatchdogInfo>();
+
+                            threadsToRemove.Add(threadInfo);
 
                             if(callbackInfos == null)
                                 callbackInfos = new List<ThreadWatchdogInfo>();
@@ -365,6 +365,10 @@ namespace OpenSim.Framework.Monitoring
                             }
                         }
                     }
+
+                    if(threadsToRemove != null)
+                        foreach(ThreadWatchdogInfo twi in threadsToRemove)
+                            RemoveThread(twi.Thread.ManagedThreadId);
                 }
 
                 if(callbackInfos != null)
-- 
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