ThreadPool.h

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#if !defined(_TFCWEB_THREADPOOL_H_)
#define _TFCWEB_THREADPOOL_H_

/*
 * Copyright (c) 2012 Toni Corvera
 *
 * This file is part of TFCWeb.
 *
 * TFCWeb 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.
 *
 * TFCWeb 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 TFCWeb. If not, see <http://www.gnu.org/licenses/>.
 */

#include "CuaConcurrent.h"
#include "Excepcions.h"
#include "utils.h"

#include <cstddef>
#include <queue>
#include <vector>
#include <boost/any.hpp>
#include <boost/function.hpp>
#include <boost/thread.hpp>

namespace tfc {

class ErrorThreadPoolTancada : public ErrorTFC {
public:
    explicit ErrorThreadPoolTancada(const std::string & w = "Thread pool tancada")
        : ErrorTFC(w)
    {
        // buit
    }
};

class ThreadPool {
public:
    // void fn() -> function<void (void)>
    typedef boost::function<void (void)> tipus_tasca; 
    typedef CuaConcurrent<tipus_tasca> tipus_cua_tasques; 

    explicit ThreadPool(const size_t n_workers);

    virtual ~ThreadPool();

    void programa(tipus_tasca t) throw (ErrorThreadPoolTancada);

    void tanca();

    bool es_oberta() const { return !tancada_; }

    void join();

    void termina();

    size_t num_tasques() const {
        return tasques_.size();
    }

private:
    void inicia(); 

    const size_t n_threads_; 
    std::vector< boost::thread * > threads_; 
    tipus_cua_tasques tasques_; 
    bool tancada_; 
    volatile bool marca_terminacio_; 
};

} // ns tfc

#endif // _TFCWEB_THREADPOOL_H_

// vim:set ts=4 et ai: //