this fixed the correct handling of the default main loop

but setting another DefaultTimeout isn't nice. I've to look later again into the problem. Maybe I did it wrong. Currently there's a compiler warning that could be ignores as long as Slot is created with void parameter, but I consider this as bug in the long time and I've to fix it!!

include/dbus-c++/dispatcher.h

@@ -44,7 +44,7 @@ public:
 	/*!
 	 * \brief Gets the timeout interval.
 	 *
-	 * The dbus_timeout_handle() should be called each time this interval elapses, 
+	 * The handle() should be called each time this interval elapses, 
 	 * starting after it elapses once.
 	 *
 	 * The interval may change during the life of the timeout; if so, the timeout 

include/dbus-c++/glib-integration.h

@@ -54,9 +54,9 @@ private:
 
 private:
 
-	GSource *_source;
 	GMainContext *_ctx;
 	int _priority;
+	GSource *_source;
 
 friend class BusDispatcher;
 };
@@ -79,9 +79,9 @@ private:
 
 private:
 
-	GSource *_source;
 	GMainContext *_ctx;
 	int _priority;
+	GSource *_source;
 
 friend class BusDispatcher;
 };

include/dbus-c++/pipe.h

@@ -43,7 +43,7 @@ public:
 	 */
 	void write(const void *buffer, unsigned int nbytes);
 
-  ssize_t read(void *buffer, unsigned int nbytes);
+  ssize_t read(void *buffer, unsigned int &nbytes);
 
 	/*!
 	 * Simply write one single byte into the pipe. This is a shortcut

include/dbus-c++/util.h

@@ -28,6 +28,8 @@
 #include <sstream>
 #include <iostream>
 #include <iomanip>
+#include <cassert>
+
 #include "api.h"
 #include "debug.h"
 
@@ -232,15 +234,29 @@ public:
 
 	R operator()(P param) const
 	{
-		/*if (_cb.get())*/ return _cb->call(param);
+		if (!empty())
+    {      
+      return _cb->call(param);
+    }
+
+    // TODO: think about return type in this case
+    // this assert should help me to find the use case where it's needed...
+    //assert (false);
 	}
 
 	R call(P param) const
 	{
-		/*if (_cb.get())*/ return _cb->call(param);
+		if (!empty())
+    {
+      return _cb->call(param);
+    }
+
+    // TODO: think about return type in this case
+    // this assert should help me to find the use case where it's needed...
+    //assert (false);
 	}
 
-	bool empty()
+	bool empty() const
 	{
 		return _cb.get() == 0;
 	}