Daemon_unix.hpp

#ifndef H_TOOLS_CUTEHMI_DAEMON_1_SRC_CUTEHMI_DAEMON_DAEMON_u_UNIX_HPP
#define H_TOOLS_CUTEHMI_DAEMON_1_SRC_CUTEHMI_DAEMON_DAEMON_u_UNIX_HPP
 
#include <QObject>
#include <QSocketNotifier>
 
#include <memory>
 
namespace cutehmi {
namespace daemon {
 
class Daemon;
 
class _Daemon:
    public QObject
{
        Q_OBJECT
 
    public:
        static int signalFd[2];
 
        _Daemon(const QString & pidFile);
 
        void initializeSignalHandling();
 
        void initializePidFile();
 
        void destroyPidFile();
 
    signals:
        void exitRequested(int exitCode);
 
    private slots:
        void handleSignal();
 
    private:
        int createPidFile();
 
        void lockPidFile();
 
        void writePidFile();
 
        void removePidFile();
 
    private:
        QString m_pidFile;
        int m_pidFd;
        std::unique_ptr<QSocketNotifier> m_signalSocketNotifier;
        std::unique_ptr<QSocketNotifier> m_unhandledSignalsSocketNotifier;
};
 
 
}
}
 
#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/>.