/*
 * Copyright (C) 2015 Canonical, Ltd.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3, as published
 * by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranties of
 * MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
 *
 * Author: Marcus Tomlinson <marcus.tomlinson@canonical.com>
 */

#pragma once

#include <QObject>
#include <QSocketNotifier>

#include <functional>

class UnixSignalHandler: public QObject {
Q_OBJECT

public:
    UnixSignalHandler(const std::function<void()>& f, QObject *parent = 0);
    ~UnixSignalHandler() = default;

    static int setupUnixSignalHandlers();

protected Q_SLOTS:
    void handleSigHup();
    void handleSigInt();
    void handleSigTerm();

protected:
    static void hupSignalHandler(int unused);
    static void intSignalHandler(int unused);
    static void termSignalHandler(int unused);

    static int sighupFd[2];
    static int sigintFd[2];
    static int sigtermFd[2];

    std::function<void()> m_func;

    QSocketNotifier *m_socketNotifierHup;
    QSocketNotifier *m_socketNotifierInt;
    QSocketNotifier *m_socketNotifierTerm;
};