Daemon.hpp

#ifndef H_TOOLS_CUTEHMI_DAEMON_2_SRC_CUTEHMI_DAEMON_DAEMON_HPP
#define H_TOOLS_CUTEHMI_DAEMON_2_SRC_CUTEHMI_DAEMON_DAEMON_HPP
 
#include "CoreData.hpp"
 
#include <functional>
 
namespace cutehmi {
namespace daemon {
 
class _Daemon;
 
class Daemon final
{
    public:
        static constexpr int EXIT_AGAIN = 129;  // 128 + SIGHUP (1).
 
        Daemon(CoreData * data, std::function<int(CoreData &)> & core);
 
        ~Daemon();  // Non-virtual destructor, but class is final.
 
        int exitCode() const;
 
    protected:
        void setExitCode(int exitCode);
 
        int exec();
 
        CoreData * data() const;
 
    private:
        void _init();
 
        void _exec();
 
        void _destroy();
 
        CoreData * m_data;
        std::function<int(CoreData &)> & m_core;
        int m_exitCode;
        _Daemon * _daemon;
};
 
}
}
 
#endif
 
//(c)C: Copyright © 2020, Michał Policht <michal@policht.pl>. All rights reserved.
//(c)C: This file is a part of CuteHMI.
//(c)C: CuteHMI 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.
//(c)C: CuteHMI 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.
//(c)C: You should have received a copy of the GNU Lesser General Public License along with CuteHMI.  If not, see <https://www.gnu.org/licenses/>.