Mutex.h

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/*
 * Mutex.h
 *
 *  This file is part of the HausmiSEP project
 *
 *  Copyright (C) 2012, 2013 Marco Alvarado (malvcr@gmail.com)
 *
 *  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 MUTEX_H_
#define MUTEX_H_

#include <HSEP/HSEP.h>
#include <HSEP/POSIX_Mutex.h>

#include <functional>

using namespace std;
namespace HSEP {

    class ExclusiveScope {
        Mutex* aMutex;
    public:
        ExclusiveScope(Mutex* pMutex) : aMutex(pMutex) {
            aMutex->acquire();
        }
        ~ExclusiveScope() {
            aMutex->release();
        }
    }; // ExclusiveScope
    typedef function<void ()> ScopeWorker;

    class Scope {
        Mutex aMutex;
    public:
        void operator()(ScopeWorker pWorker) {
            ExclusiveScope vScope(&aMutex);
            pWorker();
        }
    }; // Scope class

    class SharedMutex : public Mutex {
    public:
        SharedMutex() : Mutex(true) {}
    }; // SharedMutex class

} // HSEP namespace

#endif /* MUTEX_H_ */