[tracker] tracker-writeback: Cleanly handle errors of dispatcher's construction

[Philip Van Hoof <pvanhoof src gnome org>]

commit 59b778daea78f3d04e3cb4ab5542f89753a037ec
Author: Philip Van Hoof <philip codeminded be>
Date:   Tue Mar 1 12:30:21 2011 +0100

    tracker-writeback: Cleanly handle errors of dispatcher's construction
    
    Fixes NB#231631.

 src/tracker-writeback/tracker-main.c               |   10 +++++++++-
 .../tracker-writeback-dispatcher.c                 |   17 ++++++++++++++---
 .../tracker-writeback-dispatcher.h                 |    3 ++-
 3 files changed, 25 insertions(+), 5 deletions(-)
---
diff --git a/src/tracker-writeback/tracker-main.c b/src/tracker-writeback/tracker-main.c
index 66ab0f7..f5f66df 100644
--- a/src/tracker-writeback/tracker-main.c
+++ b/src/tracker-writeback/tracker-main.c
@@ -213,7 +213,15 @@ main (int   argc,
 	 * signals initialization. */
 
 	dispatcher_context = g_main_context_new ();
-	dispatcher = tracker_writeback_dispatcher_new (dispatcher_context);
+	dispatcher = tracker_writeback_dispatcher_new (dispatcher_context,
+	                                               &error);
+
+	if (error) {
+		g_critical ("Error creating dispatcher: %s", error->message);
+		g_error_free (error);
+
+		return EXIT_FAILURE;
+	}
 
 	g_thread_create (dispatcher_thread_func, dispatcher, FALSE, &error);
 
diff --git a/src/tracker-writeback/tracker-writeback-dispatcher.c b/src/tracker-writeback/tracker-writeback-dispatcher.c
index c57a496..065a1e4 100644
--- a/src/tracker-writeback/tracker-writeback-dispatcher.c
+++ b/src/tracker-writeback/tracker-writeback-dispatcher.c
@@ -392,10 +392,21 @@ tracker_writeback_dispatcher_set_property (GObject       *object,
 }
 
 TrackerWritebackDispatcher *
-tracker_writeback_dispatcher_new (GMainContext *context)
+tracker_writeback_dispatcher_new (GMainContext  *context,
+                                  GError       **error)
 {
-	return g_initable_new (TRACKER_TYPE_WRITEBACK_DISPATCHER,
-	                       NULL, NULL,
+	GError *internal_error = NULL;
+	TrackerWritebackDispatcher *ret;
+
+	ret = g_initable_new (TRACKER_TYPE_WRITEBACK_DISPATCHER,
+	                       NULL, &internal_error,
 	                       "context", context,
 	                       NULL);
+
+	if (internal_error) {
+		g_propagate_error (error, internal_error);
+		return NULL;
+	}
+
+	return ret;
 }
diff --git a/src/tracker-writeback/tracker-writeback-dispatcher.h b/src/tracker-writeback/tracker-writeback-dispatcher.h
index 633e3b2..7f995e9 100644
--- a/src/tracker-writeback/tracker-writeback-dispatcher.h
+++ b/src/tracker-writeback/tracker-writeback-dispatcher.h
@@ -51,7 +51,8 @@ struct TrackerWritebackDispatcherClass {
 
 GType                        tracker_writeback_dispatcher_get_type (void) G_GNUC_CONST;
 
-TrackerWritebackDispatcher * tracker_writeback_dispatcher_new (GMainContext *context);
+TrackerWritebackDispatcher * tracker_writeback_dispatcher_new (GMainContext  *context,
+                                                               GError       **error);
 
 G_END_DECLS