signalhandler.hpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2013 Adam Reichold
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #ifndef SIGNALHANDLER_HPP
  22 #define SIGNALHANDLER_HPP
  23
  24 #include <QObject>
  25
  26 class QSocketNotifier;
  27
  28 class SignalHandler : public QObject
  29 {
  30         Q_OBJECT
  31
  32 public:
  33         static bool prepare_signals();
  34
  35 public:
  36         explicit SignalHandler(QObject* parent = nullptr);
  37
  38 Q_SIGNALS:
  39         void int_received();
  40         void term_received();
  41
  42 private Q_SLOTS:
  43         void on_socket_notifier_activated();
  44
  45 private:
  46         static void handle_signals(int sig_number);
  47
  48 private:
  49         QSocketNotifier* socket_notifier_;
  50
  51 private:
  52         static int sockets_[2];
  53 };
  54
  55 #endif // SIGNALHANDLER_HPP