@@ -0,0 +1,75 @@
+// SignalHandler.cc for Fluxbox Window Manager
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.	IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: SignalHandler.cc,v 1.1 2002/08/13 23:57:04 fluxgen Exp $
+
+#include "SignalHandler.hh"
+
+namespace FbTk {
+
+SignalHandler::EventHandler *SignalHandler::s_signal_handler[NSIG];
+
+SignalHandler::SignalHandler() {
+	// clear signal list
+	for (int i=0; i < NSIG; ++i)
+		s_signal_handler[i] = 0;
+}
+
+SignalHandler *SignalHandler::instance() {
+	static SignalHandler singleton;
+	return &singleton;
+}
+
+bool SignalHandler::registerHandler(int signum, EventHandler *eh, EventHandler **oldhandler_ret) {
+	// must be less than NSIG
+	if (signum >= NSIG)
+		return false;
+
+	// get old signal handler for this signum
+	if (oldhandler_ret != 0)
+		*oldhandler_ret = s_signal_handler[signum];
+	
+	struct sigaction sa;
+	// set callback
+	sa.sa_handler = SignalHandler::handleSignal;
+	sigemptyset (&sa.sa_mask);
+	sa.sa_flags = 0;
+	
+	if (sigaction(signum, &sa, 0) == -1)
+		return false;
+	
+	s_signal_handler[signum] = eh;
+	
+	return true;
+}
+
+void SignalHandler::removeHandler(int signum) {
+	if (signum < NSIG)
+		s_signal_handler[signum] = 0; // clear handler pointer
+}
+
+void SignalHandler::handleSignal(int signum) {
+	// make sure we got a handler for this signal
+	if (s_signal_handler[signum] != 0)
+		s_signal_handler[signum]->handleSignal(signum);
+}
+
+}; 

@@ -0,0 +1,69 @@
+// SignalHandler.hh for Fluxbox Window Manager
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.	IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: SignalHandler.hh,v 1.1 2002/08/13 23:57:04 fluxgen Exp $
+
+#ifndef FBTK_SIGNALHANDLER_HH
+#define FBTK_SIGNALHANDLER_HH
+
+#include <signal.h>
+
+namespace FbTk {
+
+/**
+	Handles system signals, singleton.
+*/
+class SignalHandler {
+public:
+	/**
+		Inherit this class to handle signals.
+	*/
+	class EventHandler {
+	public:
+		virtual void handleSignal(int signum) = 0;
+	};
+
+	/// get singleton object
+	static SignalHandler *instance();
+	/** 
+		Register an event handler
+		@return true on success else false
+		@param signum signal number
+		@param eh event handler
+		@param oldhandler_ret return handler to old sighandler
+	*/
+	bool registerHandler(int signum, EventHandler *eh, EventHandler **oldhandler_ret = 0);
+	/**
+		removes the signum handler
+		@param signum signal number
+	*/
+	void removeHandler(int signum);
+private:
+	SignalHandler();
+
+	static void handleSignal(int signum);
+
+	static EventHandler *s_signal_handler[NSIG]; ///< NSIG defined in signal.h
+}; 
+
+}; // end namespace FbTk
+
+#endif // FBTK_SIGNALHANDLER_HH

@@ -0,0 +1,75 @@
+// signaltest.cc for testing signal handler in fluxbox
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.	IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+#include "../SignalHandler.hh"
+
+#include <iostream>
+
+using namespace std;
+using namespace FbTk;
+
+class IntSig:public SignalHandler::EventHandler {
+public:
+	void handleSignal(int signum) {
+		assert(signum == SIGINT);
+		cerr<<"Signal SIGINT!"<<endl;
+		exit(0);
+	}
+};
+
+class AllSig:public SignalHandler::EventHandler {
+public:
+	void handleSignal(int signum) {
+		switch (signum) {
+			case SIGTERM:
+				cerr<<"SIGTERM";
+			break;
+			case SIGUSR1:
+				cerr<<"SIGUSR1";
+			break;
+			case SIGUSR2:
+				cerr<<"SIGUSR2";
+			break;
+			default:
+				cerr<<"signum = "<<signum;
+		}
+		cerr<<endl;
+		if (signum == SIGTERM)
+			exit(1); // end program
+	}
+};
+
+int main(int argc, char **argv) {
+	SignalHandler *sigh = SignalHandler::instance();
+	IntSig handler;
+	AllSig allhand;
+	
+	sigh->registerHandler(SIGINT, &handler);
+	sigh->registerHandler(SIGTERM, &allhand);
+	sigh->registerHandler(SIGUSR1, &allhand);
+	sigh->registerHandler(SIGUSR2, &allhand);
+	cerr<<"Send signals to me :)"<<endl;
+	while (1) {
+	
+	}
+}
+
+