systemadm: ignore entry activation on empty string

[elogind.git] / dbus-unit.c

diff --git a/dbus-unit.c b/dbus-unit.c
index ccaaef99a2931db04348814274d29b3f7ae92cec..e3e1be12ade2be09393e0198ca85ac57eda43096 100644 (file)
--- a/dbus-unit.c
+++ b/dbus-unit.c
@@ -44,6 +44,25 @@ int bus_unit_append_names(Manager *m, DBusMessageIter *i, const char *property,
         return 0;
 }
 
+int bus_unit_append_dependencies(Manager *m, DBusMessageIter *i, const char *property, void *data) {
+        Unit *u;
+        Iterator j;
+        DBusMessageIter sub;
+        Set *s = data;
+
+        if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "s", &sub))
+                return -ENOMEM;
+
+        SET_FOREACH(u, s, j)
+                if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &u->meta.id))
+                        return -ENOMEM;
+
+        if (!dbus_message_iter_close_container(i, &sub))
+                return -ENOMEM;
+
+        return 0;
+}
+
 int bus_unit_append_description(Manager *m, DBusMessageIter *i, const char *property, void *data) {
         Unit *u = data;
         const char *d;
@@ -348,8 +367,10 @@ void bus_unit_send_change_signal(Unit *u) {
         LIST_REMOVE(Meta, dbus_queue, u->meta.manager->dbus_unit_queue, &u->meta);
         u->meta.in_dbus_queue = false;
 
-        if (set_isempty(u->meta.manager->subscribed))
+        if (set_isempty(u->meta.manager->subscribed)) {
+                u->meta.sent_dbus_new_signal = true;
                 return;
+        }
 
         if (!(p = unit_dbus_path(u)))
                 goto oom;