[mutter/wip/gbsneto/kms-transactions-on-steroids: 3/30] backends/native: Move some initialization from init() to initable_init()

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit db50205b1f3bb6f2a96ce9917f65fc9449034480
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Jan 10 11:54:07 2019 +0100

    backends/native: Move some initialization from init() to initable_init()
    
    This means we can report the errors properly, instead of logging a
    warning and calling exit(1).
    
    https://gitlab.gnome.org/GNOME/mutter/issues/548
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/525

 src/backends/native/meta-backend-native.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)
---
diff --git a/src/backends/native/meta-backend-native.c b/src/backends/native/meta-backend-native.c
index 50eb7bfc6..30a5d9906 100644
--- a/src/backends/native/meta-backend-native.c
+++ b/src/backends/native/meta-backend-native.c
@@ -527,7 +527,12 @@ meta_backend_native_initable_init (GInitable     *initable,
       return FALSE;
     }
 
+  native->launcher = meta_launcher_new (error);
+  if (!native->launcher)
+    return FALSE;
+
   native->udev = meta_udev_new ();
+  native->barrier_manager = meta_barrier_manager_native_new ();
 
   return initable_parent_iface->init (initable, cancellable, error);
 }
@@ -573,16 +578,6 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
 static void
 meta_backend_native_init (MetaBackendNative *native)
 {
-  GError *error = NULL;
-
-  native->launcher = meta_launcher_new (&error);
-  if (native->launcher == NULL)
-    {
-      g_warning ("Can't initialize KMS backend: %s\n", error->message);
-      exit (1);
-    }
-
-  native->barrier_manager = meta_barrier_manager_native_new ();
 }
 
 MetaLauncher *