core: emit changes for NFailedUnits property

[elogind.git] / src / core / manager.c

diff --git a/src/core/manager.c b/src/core/manager.c
index 79a9d549542b970157197cd50a31974baa60d918..7966b387fce0d838a66da1fc5ec8b5c0c147dfec 100644 (file)
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -3053,6 +3053,23 @@ const char *manager_get_runtime_prefix(Manager *m) {
                getenv("XDG_RUNTIME_DIR");
 }
 
+void manager_update_failed_units(Manager *m, Unit *u, bool failed) {
+        unsigned size;
+
+        assert(m);
+        assert(u->manager == m);
+
+        size = set_size(m->failed_units);
+
+        if (failed)
+                set_put(m->failed_units, u);
+        else
+                set_remove(m->failed_units, u);
+
+        if (set_size(m->failed_units) != size)
+                bus_manager_send_change_signal(m);
+}
+
 ManagerState manager_state(Manager *m) {
         Unit *u;