--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/Utilities/DisposableObject.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,101 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description:
+*
+*/
+using System;
+
+namespace SymbianUtils
+{
+	public class DisposableObject : IDisposable
+	{
+		#region Constructors
+		public DisposableObject()
+		{
+		}
+
+		~DisposableObject()
+		{
+			// Not allowed to access managed resources from
+			// within a C# destructor (in this context we are being
+			// called by the GC and it will take care of disposing of
+			// other managed resources for us).
+			Cleanup( false, true );
+		}
+		#endregion
+
+        #region Properties
+        public bool HaveBeenDisposedOf
+        {
+            get { return iHaveBeenDisposedOf; }
+        }
+        #endregion
+
+        #region API - Cleanup Framework
+        protected virtual void CleanupManagedResources()
+        {
+        }
+
+        protected virtual void CleanupUnmanagedResources()
+        {
+        }
+        #endregion
+
+        #region From IDisposable
+        public void Dispose()
+		{
+			// In this situation, we are programatically being asked to
+			// release all resources, including managed ones.
+			Cleanup( true, true );
+
+			// Take yourself off the Finalization queue 
+			// to prevent finalization code for this object
+			// from executing a second time.
+			GC.SuppressFinalize( this );
+		}
+		#endregion
+
+		#region Internal methods
+		private void Cleanup( bool aReleaseManagedResources, bool aReleaseUnmanagedResources )
+		{
+            lock( this )
+            {
+                if ( iHaveBeenDisposedOf == false )
+                {
+                    try
+                    {
+                        if ( aReleaseManagedResources )
+                        {
+                            CleanupManagedResources();
+                        }
+                        if ( aReleaseUnmanagedResources )
+                        {
+                            CleanupUnmanagedResources();
+                        }
+
+                        iHaveBeenDisposedOf = true;
+                    }
+                    catch
+                    {
+                    }
+                }
+			}
+		}
+		#endregion
+
+		#region Data members
+		private bool iHaveBeenDisposedOf = false;
+		#endregion
+	}
+}