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-rw-r--r--OpenSim/Framework/ThreadTracker.cs127
1 files changed, 5 insertions, 122 deletions
diff --git a/OpenSim/Framework/ThreadTracker.cs b/OpenSim/Framework/ThreadTracker.cs
index d3a239d..b68d9b3 100644
--- a/OpenSim/Framework/ThreadTracker.cs
+++ b/OpenSim/Framework/ThreadTracker.cs
@@ -26,138 +26,21 @@
26 */ 26 */
27 27
28using System; 28using System;
29using System.Collections;
30using System.Collections.Generic; 29using System.Collections.Generic;
31using System.Reflection; 30using System.Reflection;
32using System.Threading; 31using System.Diagnostics;
33using log4net; 32using log4net;
34 33
35namespace OpenSim.Framework 34namespace OpenSim.Framework
36{ 35{
37 public static class ThreadTracker 36 public static class ThreadTracker
38 { 37 {
39 private static readonly ILog m_log 38 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
40 = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
41
42 private static readonly long ThreadTimeout = 30 * 10000000;
43 public static List<ThreadTrackerItem> m_Threads;
44 public static Thread ThreadTrackerThread;
45 39
46 static ThreadTracker() 40 public static ProcessThreadCollection GetThreads()
47 { 41 {
48#if DEBUG 42 Process thisProc = Process.GetCurrentProcess();
49 m_Threads = new List<ThreadTrackerItem>(); 43 return thisProc.Threads;
50 ThreadTrackerThread = new Thread(ThreadTrackerThreadLoop);
51 ThreadTrackerThread.Name = "ThreadTrackerThread";
52 ThreadTrackerThread.IsBackground = true;
53 ThreadTrackerThread.Priority = ThreadPriority.BelowNormal;
54 ThreadTrackerThread.Start();
55 Add(ThreadTrackerThread);
56#endif
57 } 44 }
58
59 private static void ThreadTrackerThreadLoop()
60 {
61 try
62 {
63 while (true)
64 {
65 Thread.Sleep(5000);
66 CleanUp();
67 }
68 }
69 catch (Exception e)
70 {
71 m_log.ErrorFormat(
72 "[THREAD TRACKER]: Thread tracker cleanup thread terminating with exception. Please report this error. Exception is {0}",
73 e);
74 }
75 }
76
77 public static void Add(Thread thread)
78 {
79#if DEBUG
80 if (thread != null)
81 {
82 lock (m_Threads)
83 {
84 ThreadTrackerItem tti = new ThreadTrackerItem();
85 tti.Thread = thread;
86 tti.LastSeenActive = DateTime.Now.Ticks;
87 m_Threads.Add(tti);
88 }
89 }
90#endif
91 }
92
93 public static void Remove(Thread thread)
94 {
95#if DEBUG
96 lock (m_Threads)
97 {
98 foreach (ThreadTrackerItem tti in new ArrayList(m_Threads))
99 {
100 if (tti.Thread == thread)
101 m_Threads.Remove(tti);
102 }
103 }
104#endif
105 }
106
107 public static void CleanUp()
108 {
109 lock (m_Threads)
110 {
111 foreach (ThreadTrackerItem tti in new ArrayList(m_Threads))
112 {
113 try
114 {
115
116
117 if (tti.Thread.IsAlive)
118 {
119 // Its active
120 tti.LastSeenActive = DateTime.Now.Ticks;
121 }
122 else
123 {
124 // Its not active -- if its expired then remove it
125 if (tti.LastSeenActive + ThreadTimeout < DateTime.Now.Ticks)
126 m_Threads.Remove(tti);
127 }
128 }
129 catch (NullReferenceException)
130 {
131 m_Threads.Remove(tti);
132 }
133 }
134 }
135 }
136
137 public static List<Thread> GetThreads()
138 {
139 if (m_Threads == null)
140 return null;
141
142 List<Thread> threads = new List<Thread>();
143 lock (m_Threads)
144 {
145 foreach (ThreadTrackerItem tti in new ArrayList(m_Threads))
146 {
147 threads.Add(tti.Thread);
148 }
149 }
150 return threads;
151 }
152
153 #region Nested type: ThreadTrackerItem
154
155 public class ThreadTrackerItem
156 {
157 public long LastSeenActive;
158 public Thread Thread;
159 }
160
161 #endregion
162 } 45 }
163} 46}