83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
/*
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* Copyright (C) Roland Jax 2012-2014 <ebusd@liwest.at>
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*
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* This file is part of ebusd.
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*
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* ebusd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ebusd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ebusd. If not, see http://www.gnu.org/licenses/.
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*/
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#ifndef LIBUTILS_DAEMON_H_
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#define LIBUTILS_DAEMON_H_
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/**
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* @brief class to daemonize a process.
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*/
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class Daemon
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{
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public:
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/**
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* @brief create an instance and return the reference.
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* @return the reference to instance.
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*/
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static Daemon& Instance();
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/**
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* @brief daemonize act process.
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* @param pidfile the name of the pid file.
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*/
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void run(const char* pidfile);
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/**
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* @brief stop daemon and delete the pid file.
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*/
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void stop() { pidfile_close(); }
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/**
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* @brief show actual status if daemonize.
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* @return true if process is a daemon.
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*/
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bool status() { return m_status; }
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private:
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/** private constructor - singleton pattern */
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Daemon() {}
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Daemon(const Daemon&);
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Daemon& operator=(const Daemon&);
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/** status of process; true if we are a daemon */
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bool m_status;
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/** name of the pid file*/
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const char* m_pidfile;
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/** file descriptor of the pid file */
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int m_pidfd;
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/**
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* @brief creates a pid file for process.
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* @return true if success.
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*/
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bool pidfile_open();
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/**
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* @brief close and delete the pid file.
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* @return true if success.
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*/
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bool pidfile_close();
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};
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#endif // LIBUTILS_DAEMON_H_
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