--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2005-2018 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * 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 2 of the License, or *
+ * (at your option) version 3. *
+ * *
+ * 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, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
+
+#pragma once
+
+#include <QObject>
+
+#include "abstractsignalwatcher.h"
+
+class QSocketNotifier;
+
+/**
+ * Signal watcher/handler for POSIX systems.
+ *
+ * Uses a local socket to notify the main thread in a safe way.
+ */
+class PosixSignalWatcher : public AbstractSignalWatcher
+{
+ Q_OBJECT
+
+public:
+ PosixSignalWatcher(QObject *parent = nullptr);
+
+private:
+ static void signalHandler(int signal);
+
+ void registerSignal(int signal);
+
+private slots:
+ void onNotify(int sockfd);
+
+private:
+ static int _sockpair[2];
+ QSocketNotifier *_notifier{nullptr};
+};