This program leaks memory:

class Test 
{
        static bool Timeout()
        {
                Console.WriteLine ("TIMEOUT ");
                return false;
        }
        static GLib.TimeoutHandler handler = Timeout;
        public static void Main (string[] args)
        {
                Gtk.Application.Init ();
                do {
                        uint timer = GLib.Timeout.Add (650, handler);
                        GLib.Source.Remove (timer);
                        System.GC.Collect ();
                } while (true);
        }      
}

This one doesn't:


class Test 
{
        static bool Timeout()
        {
                Console.WriteLine ("TIMEOUT ");
                return false;
        }
        static GLib.TimeoutHandler handler = Timeout;
	public static void Main (string[] args)
	{
		Gtk.Application.Init ();
		do {
			uint timer = GlibTimer.Add (650, handler);
			GlibTimer.Remove (timer);
			System.GC.Collect ();
		} while (true);
	}
	class GlibTimer
	{
		public delegate bool TimeoutHandler ();

		public static uint Add (uint timeOut, TimeoutHandler handler)
		{
			return g_timeout_add (timeOut, handler, IntPtr.Zero);
		}
		
		public static void Remove (uint id)
		{
			g_source_remove (id);
		}
		
		[DllImport("libglib-2.0.so")]
		static extern void g_source_remove (uint id);
		
		[DllImport("libglib-2.0.so")]
		static extern uint g_timeout_add (uint id, TimeoutHandler function, IntPtr data);
	}
}