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/***************************************************************************
 *                                                                         *
 *   PSYCHOSYNTH                                                           *
 *   ===========                                                           *
 *                                                                         *
 *   Copyright (C) 2007 Juan Pedro Bolivar Puente                          *
 *                                                                         *
 *   This program is free software: you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation, either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 ***************************************************************************/
 
#ifndef PSYNTH_THREAD_H
#define PSYNTH_THREAD_H

#include <pthread.h>

namespace psynth
{

#include <libpsynth/common/FastDelegate.h>
using namespace fastdelegate;

class runnable
{
public:
    virtual ~runnable() {};

    virtual void run() = 0;
};

typedef FastDelegate0<void> thread_delegate;

class thread
{
private:    
    pthread_t m_thread;
    thread_delegate m_delegate;

    static void* process(void* obj) {
        thread* the_this = reinterpret_cast<thread*>(obj);
        the_this->m_delegate();
        
        return NULL;
    };
    
public:
    thread (runnable& obj) {
        m_delegate = MakeDelegate(&obj, &runnable::run);
    }

    thread (thread_delegate func) {
        m_delegate = func;
    }

    void set (runnable& obj) {
        m_delegate = MakeDelegate(&obj, &runnable::run);
    }

    void set (thread_delegate func) {
        m_delegate = func;
    }

    void start () {
        pthread_create(&m_thread, NULL, &thread::process, this);
    }

    void start (runnable& obj) {
        m_delegate = MakeDelegate(&obj, &runnable::run);
        pthread_create(&m_thread, NULL, &thread::process, this);
    }

    void start (thread_delegate func) {
        m_delegate = func;
        pthread_create(&m_thread, NULL, &thread::process, this);
    }

    void join () {
        pthread_join(m_thread, NULL);
    }

    /*
    pthread_t getThreadId() {
        return m_thread;
    };
    */
};

class self_thread : public runnable,
                    public thread
{
public:
    virtual ~self_thread() {};

    self_thread () :
        thread (static_cast<runnable&>(*this))
        {};
};

} /* namespace psynth */

#endif /* PSYNTH_THREAD_H */