Servatrice: refactor signal handling and permit config reloading

servatrice/src/signalhandler.h

@@ -0,0 +1,24 @@
+#ifndef SIGNALHANDLER_H
+#define SIGNALHANDLER_H
+
+#include <QObject>
+
+class QSocketNotifier;
+
+class SignalHandler: public QObject
+{
+	Q_OBJECT
+public:
+	SignalHandler(QObject *parent = 0);
+	~SignalHandler() { };
+	static void sigHupHandler(int /* sig */);
+	static void sigSegvHandler(int sig);
+private:
+	static int sigHupFD[2];
+	QSocketNotifier *snHup;
+private slots:
+	void internalSigHupHandler();
+
+};
+
+#endif