--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaruntimes/starterutils/src.s60/osthreadsupervisor.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,99 @@
+/*
+* 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:  Utility class for mointoring thread death.
+*
+*/
+
+
+#ifndef OSTHREADSUPERVISOR_H
+#define OSTHREADSUPERVISOR_H
+
+#include "javaosheaders.h"
+
+namespace java // codescanner::namespace
+{
+
+namespace runtime // codescanner::namespace
+{
+
+/**
+ * This class is responsible for detecting abnormal thread death beloning to
+ * own process. If the abnormal death happens this will terminate the whole
+ * process. This is for Symbian.
+ */
+OS_NONSHARABLE_CLASS(OsThreadSupervisor)
+{
+public:
+
+    /**
+     * Constructor of the OsThreadSupervisor.
+     * @param tryThreadDumping Whether to try to do thread dump in panic case.
+     *                         Might cause another panic.
+     * @throws std::exception on error cases.
+     */
+    OsThreadSupervisor(bool tryThreadDumping);
+
+    /**
+     * Destructor of the RuntimeStarterUtils. Will stop the thread monitoring.
+     * The class is not meant to be inherited, so destructor can be non
+     * virtual.
+     */
+    ~OsThreadSupervisor();
+
+
+private: // Member variables.
+
+    TRequestStatus  mRequestStatus;
+    RThread         mSupervisorThread;
+    bool            mDoExit;
+    bool            mTryThreadDump;
+
+private: // Methods.
+
+    /**
+     * Starts the undertaker thread in Symbian.
+     * @throw exception on error cases.
+     */
+    void startUndertakerThread();
+
+    /**
+     * The undertaker thread takes out the VM process if any of its threads
+     * panics. This prevents deadlocked zombie VM processes from hanging in
+     * the system if something go wrong.
+     * @param starter A pointer to instance of OsThreadSupervisor.
+     * @return status of the thread execution.
+     */
+    static int underTakerThreadMain(void* supervisor);
+
+    /**
+     * No default constructor.
+     */
+    OsThreadSupervisor();
+
+    /*
+     * No copy constructor allowed.
+     */
+    OsThreadSupervisor(const OsThreadSupervisor&);
+
+    /*
+     * No Assignment operator allowed.
+     */
+    OsThreadSupervisor& operator= (const OsThreadSupervisor&);
+};
+
+} // end namespace runtime
+} // end namespace java
+
+
+#endif // OSTHREADSUPERVISOR_H