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/***************************************************************************
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 *   Copyright (C) November 29, 2008 by Mattias Runge                             *
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 *   mattias@runge.se                                                      *
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 *   thread.h                                            *
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 *                                                                         *
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 *   This program is free software; you can redistribute it and/or modify  *
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 *   it under the terms of the GNU General Public License as published by  *
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 *   the Free Software Foundation; either version 2 of the License, or     *
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 *   (at your option) any later version.                                   *
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 *                                                                         *
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 *   This program is distributed in the hope that it will be useful,       *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU General Public License for more details.                          *
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 *                                                                         *
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 *   You should have received a copy of the GNU General Public License     *
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 *   along with this program; if not, write to the                         *
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 *   Free Software Foundation, Inc.,                                       *
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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
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 ***************************************************************************/
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#ifndef _THREAD_H
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#define _THREAD_H
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#include <pthread.h>
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template <class T>
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class Thread
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{
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public:
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    Thread()
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    {
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        myIsCreated = false;
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        myError = 0;
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    };
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    ~Thread()
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    {
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        stop();
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    };
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    bool stop()
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    {
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        if (!myIsCreated)
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            return true;
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        myError = pthread_cancel(myHandle);
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        join();
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        myIsCreated = false;
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        return myError == 0;
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    };
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    bool start()
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    {
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        myError = pthread_create(&myHandle, NULL, T::doThread, (void*)this);
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        if (myError != 0)
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        {
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            myIsCreated = false;
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            return false;
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        }
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        myIsCreated = true;
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        return true;
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    };
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    bool join()
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    {
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        if (!myIsCreated)
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            return false;
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        myError = pthread_join(myHandle, NULL);
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        if (myError != 0)
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        {
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            myIsCreated = false;
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            return false;
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        }
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        myIsCreated = true;
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        return true;
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    };
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    int getError()
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    {
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        return myError;
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    };
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    static void *doThread(void* ptr)
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    {
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        ((T*)ptr)->run();
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    };
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    void run() { };
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private:
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    bool myIsCreated;
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    pthread_t myHandle;
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    int myError;
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};
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#endif  /* _THREAD_H */
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