g_source_set_name on custom sources (if available)

Call g_source_set_name, if the versio of GLib is new enough.
This aids debugging, using e.g. SystemTap.  See
https://bugzilla.gnome.org/show_bug.cgi?id=620511
for more information

http://bugzilla.openedhand.com/show_bug.cgi?id=2151

Signed-off-by: Emmanuele Bassi <ebassi@linux.intel.com>

clutter/clutter-frame-source.c

@@ -101,6 +101,10 @@ clutter_frame_source_add_full (gint           priority,
   if (priority != G_PRIORITY_DEFAULT)
     g_source_set_priority (source, priority);
 
+#if GLIB_CHECK_VERSION (2, 25, 8)
+  g_source_set_name (source, "Clutter frame timeout");
+#endif
+
   g_source_set_callback (source, func, data, notify);
 
   ret = g_source_attach (source, NULL);

clutter/clutter-master-clock.c

@@ -260,6 +260,9 @@ clutter_clock_source_new (ClutterMasterClock *master_clock)
   GSource *source = g_source_new (&clock_funcs, sizeof (ClutterClockSource));
   ClutterClockSource *clock_source = (ClutterClockSource *) source;
 
+#if GLIB_CHECK_VERSION (2, 25, 8)
+  g_source_set_name (source, "Clutter master clock");
+#endif
   clock_source->master_clock = master_clock;
 
   return source;

clutter/clutter-timeout-pool.c

@@ -377,6 +377,10 @@ clutter_timeout_pool_new (gint priority)
   if (!source)
     return NULL;
 
+#if GLIB_CHECK_VERSION (2, 25, 8)
+  g_source_set_name (source, "Clutter timeout pool");
+#endif
+
   if (priority != G_PRIORITY_DEFAULT)
     g_source_set_priority (source, priority);
 

clutter/x11/clutter-event-x11.c

@@ -105,6 +105,10 @@ clutter_event_source_new (ClutterBackend *backend)
   GSource *source = g_source_new (&event_funcs, sizeof (ClutterEventSource));
   ClutterEventSource *event_source = (ClutterEventSource *) source;
 
+#if GLIB_CHECK_VERSION (2, 25, 8)
+  g_source_set_name (source, "Clutter X11 Event");
+#endif
+
   event_source->backend = backend;
 
   return source;