squawk/core/signalcatcher.h

/*
 * Squawk messenger. 
 * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 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/>.
 */

#ifndef SIGNALCATCHER_H
#define SIGNALCATCHER_H

#include <QtCore/QCoreApplication>
#include <QtCore/QObject>
#include <QtCore/QSocketNotifier>

class SignalCatcher: public QObject
{
    Q_OBJECT
    
public:
    SignalCatcher(QCoreApplication *p_app, QObject *parent = 0);
    ~SignalCatcher();
    
    static void intSignalHandler(int unused);
    
signals:
    void interrupt();

public slots:
    void handleSigInt();
    
private:
    QCoreApplication *app;
    static int sigintFd[2];
    
    QSocketNotifier *snInt;
    
    static int setup_unix_signal_handlers();
};

#endif // SIGNALCATCHER_H