/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the OpenSim Project nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ using System; using System.Collections; using System.Collections.Generic; using System.Threading; namespace OpenSim.Framework { public static class ThreadTracker { private static readonly long ThreadTimeout = 30 * 10000000; public static List<ThreadTrackerItem> m_Threads; public static Thread ThreadTrackerThread; static ThreadTracker() { #if DEBUG m_Threads = new List<ThreadTrackerItem>(); ThreadTrackerThread = new Thread(ThreadTrackerThreadLoop); ThreadTrackerThread.Name = "ThreadTrackerThread"; ThreadTrackerThread.IsBackground = true; ThreadTrackerThread.Priority = ThreadPriority.BelowNormal; ThreadTrackerThread.Start(); Add(ThreadTrackerThread); #endif } private static void ThreadTrackerThreadLoop() { while (true) { Thread.Sleep(5000); CleanUp(); } } public static void Add(Thread thread) { #if DEBUG lock (m_Threads) { ThreadTrackerItem tti = new ThreadTrackerItem(); tti.Thread = thread; tti.LastSeenActive = DateTime.Now.Ticks; m_Threads.Add(tti); } #endif } public static void Remove(Thread thread) { #if DEBUG lock (m_Threads) { foreach (ThreadTrackerItem tti in new ArrayList(m_Threads)) { if (tti.Thread == thread) m_Threads.Remove(tti); } } #endif } public static void CleanUp() { lock (m_Threads) { foreach (ThreadTrackerItem tti in new ArrayList(m_Threads)) { if (tti.Thread.IsAlive) { // Its active tti.LastSeenActive = DateTime.Now.Ticks; } else { // Its not active -- if its expired then remove it if (tti.LastSeenActive + ThreadTimeout < DateTime.Now.Ticks) m_Threads.Remove(tti); } } } } public static List<Thread> GetThreads() { if (m_Threads == null) return null; List<Thread> threads = new List<Thread>(); lock (m_Threads) { foreach (ThreadTrackerItem tti in new ArrayList(m_Threads)) { threads.Add(tti.Thread); } } return threads; } #region Nested type: ThreadTrackerItem public class ThreadTrackerItem { public long LastSeenActive; public Thread Thread; } #endregion } }