[virt-tools-list] [virt-viewer][PATCH 1/6] events: Register event using GOnce to avoid multiple initializations

[Fabiano Fidêncio]

Based on
http://libvirt.org/git/?p=libvirt-glib.git;a=commit;h=8f8d9ce5238dbcbce40aa04ba55b8c55f97c79c0

Related to: rhbz#1243228
---
 src/virt-viewer-events.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/virt-viewer-events.c b/src/virt-viewer-events.c
index 3b5a136..6154353 100644
--- a/src/virt-viewer-events.c
+++ b/src/virt-viewer-events.c
@@ -346,14 +346,22 @@ virt_viewer_events_remove_timeout(int timer)
     return 0;
 }
 
-
-void virt_viewer_events_register(void) {
+static gpointer event_register_once(gpointer data G_GNUC_UNUSED)
+{
     virEventRegisterImpl(virt_viewer_events_add_handle,
                          virt_viewer_events_update_handle,
                          virt_viewer_events_remove_handle,
                          virt_viewer_events_add_timeout,
                          virt_viewer_events_update_timeout,
                          virt_viewer_events_remove_timeout);
+
+    return NULL;
+}
+
+void virt_viewer_events_register(void) {
+    static GOnce once = G_ONCE_INIT;
+
+    g_once(&once, event_register_once, NULL);
 }
 
 /*
-- 
2.4.4