mutex.hpp

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/*********************************************************************/
// libthreadar - is a library providing several C++ classes to work with threads
// Copyright (C) 2014-2025 Denis Corbin
//
// This file is part of libthreadar
//
//  libthreadar is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  libhtreadar 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with libthreadar.  If not, see <http://www.gnu.org/licenses/>
//
//----
//  to contact the author: dar.linux@free.fr
/*********************************************************************/
 
#ifndef LIBTHREADAR_MUTEX_HPP
#define LIBTHREADAR_MUTEX_HPP
 
 
#include "config.h"
#include "exceptions.hpp"
 
    // C system headers
extern "C"
{
#if HAVE_PTHREAD_H
#include <pthread.h>
#endif
}
    // C++ standard headers
#include <string>
 
 
    // libthreadar headers
 
 
namespace libthreadar
{
 
    class mutex
    {
    public:
        mutex();
 
        mutex(const mutex & ref) = delete;
 
        mutex(mutex && ref) = default;
 
        mutex & operator = (const mutex & ref) = delete;
 
        mutex & operator = (mutex && ref) noexcept = default;
 
        virtual ~mutex();
 
 
        void lock();
 
 
        void unlock();
 
 
        bool try_lock();
 
    protected:
        pthread_mutex_t mut; //< the mutex
    };
 
} // end of namespace
 
#endif