From b2ed348aa2746fbf034b713d006e40366c479d5a Mon Sep 17 00:00:00 2001
From: John Hurliman
Date: Thu, 22 Oct 2009 12:33:23 -0700
Subject: Implemented a Watchdog class. Do not manually create Thread objects
 anymore, use Watchdog.StartThread(). While your thread is running call
 Watchdog.UpdateThread(). When it is shutting down call
 Watchdog.RemoveThread(). Most of the threads in OpenSim have been updated

---
 OpenSim/Region/Framework/Scenes/Scene.cs | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

(limited to 'OpenSim/Region/Framework/Scenes')

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 5005ac9..4b87f92 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -81,8 +81,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         protected Timer m_restartWaitTimer = new Timer();
 
-        protected Thread m_updateEntitiesThread;
-
         public SimStatsReporter StatsReporter;
 
         protected List<RegionInfo> m_regionRestartNotifyList = new List<RegionInfo>();
@@ -945,11 +943,8 @@ namespace OpenSim.Region.Framework.Scenes
                 HeartbeatThread = null;
             }
             m_lastUpdate = Environment.TickCount;
-            HeartbeatThread = new Thread(new ParameterizedThreadStart(Heartbeat));
-            HeartbeatThread.SetApartmentState(ApartmentState.MTA);
-            HeartbeatThread.Name = string.Format("Heartbeat for region {0}", RegionInfo.RegionName);
-            HeartbeatThread.Priority = ThreadPriority.AboveNormal;
-            HeartbeatThread.Start();
+
+            HeartbeatThread = Watchdog.StartThread(Heartbeat, "Heartbeat for region " + RegionInfo.RegionName, ThreadPriority.Normal, false);
         }
 
         /// <summary>
@@ -976,12 +971,13 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Performs per-frame updates regularly
         /// </summary>
-        /// <param name="sender"></param>
-        /// <param name="e"></param>
-        private void Heartbeat(object sender)
+        private void Heartbeat()
         {
             if (!Monitor.TryEnter(m_heartbeatLock))
+            {
+                Watchdog.RemoveThread();
                 return;
+            }
 
             try
             {
@@ -998,6 +994,8 @@ namespace OpenSim.Region.Framework.Scenes
                 Monitor.Pulse(m_heartbeatLock);
                 Monitor.Exit(m_heartbeatLock);
             }
+
+            Watchdog.RemoveThread();
         }
 
         /// <summary>
@@ -1146,6 +1144,8 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if ((maintc < (m_timespan * 1000)) && maintc > 0)
                     Thread.Sleep(maintc);
+
+                Watchdog.UpdateThread();
             }
         }
 
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