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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef PULSEVIEW_SIGNALHANDLER_HPP
  21 #define PULSEVIEW_SIGNALHANDLER_HPP
  22
  23 #include <QObject>
  24
  25 class QSocketNotifier;
  26
  27 class SignalHandler : public QObject
  28 {
  29         Q_OBJECT
  30
  31 public:
  32         static bool prepare_signals();
  33
  34 public:
  35         explicit SignalHandler(QObject* parent = nullptr);
  36
  37 Q_SIGNALS:
  38         void int_received();
  39         void term_received();
  40         void usr1_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 // PULSEVIEW_SIGNALHANDLER_HPP