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//
// ExceptionHandlingThread.cs
//
// Copyright (C) 2005 Novell, Inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Runtime.InteropServices;
using System.Threading;
namespace Beagle.Util {
public class ExceptionHandlingThread {
private static ArrayList live_threads = new ArrayList ();
private Thread thread;
private ThreadStart method;
private ExceptionHandlingThread (ThreadStart method)
{
if (method == null)
throw new ArgumentNullException ("method");
this.method = method;
}
private void ThreadStarted ()
{
this.thread.Name = String.Format ("EHT {0:00000} {1}:{2}", wrap_gettid (), method.Target == null ? "(static)" : method.Target.ToString (), method.Method);
try {
this.method ();
} catch (ThreadAbortException e) {
Logger.Log.Debug ("{0}:\n{1}\n", this.thread.Name, e.StackTrace);
} catch (Exception e) {
Logger.Log.Warn (e, "Exception caught while executing {0}:{1}",
this.method.Target, this.method.Method);
}
lock (live_threads)
live_threads.Remove (this.thread);
}
public static Thread Start (ThreadStart method)
{
ExceptionHandlingThread eht = new ExceptionHandlingThread (method);
eht.thread = new Thread (new ThreadStart (eht.ThreadStarted));
lock (live_threads)
live_threads.Add (eht.thread);
eht.thread.Start ();
return eht.thread;
}
public static void SpewLiveThreads ()
{
bool have_live_thread = false;
lock (live_threads) {
foreach (Thread t in live_threads) {
Logger.Log.Debug ("Live ExceptionHandlingThread: {0}", t.Name);
have_live_thread = true;
}
}
if (! have_live_thread)
Logger.Log.Debug ("No live ExceptionHandlingThreads!");
}
public static void AbortThreads ()
{
ArrayList cancel_threads = null;
// Copy the list to avoid recursively locking
lock (live_threads)
cancel_threads = (ArrayList) live_threads.Clone ();
foreach (Thread t in cancel_threads) {
Logger.Log.Debug ("Aborting thread: {0}", t.Name);
t.Abort ();
}
}
[DllImport ("libbeagleglue")]
static extern uint wrap_gettid ();
}
}
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