systemctl: don't show cgroup field for a unit if cgroup is empty

[elogind.git] / src / core / unit.h

diff --git a/src/core/unit.h b/src/core/unit.h
index 11804d8bcfc3eea2029014155a8852d68e2314b4..790d3d758eb0062d9778d71e104afbf70b2a05b9 100644 (file)
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -310,6 +310,9 @@ struct UnitVTable {
         /* Restore one item from the serialization */
         int (*deserialize_item)(Unit *u, const char *key, const char *data, FDSet *fds);
 
+        /* Try to match up fds with what we need for this unit */
+        int (*distribute_fds)(Unit *u, FDSet *fds);
+
         /* Boils down the more complex internal state of this unit to
          * a simpler one that the engine can understand */
         UnitActiveState (*active_state)(Unit *u);
@@ -358,6 +361,9 @@ struct UnitVTable {
         /* Return the set of units that are following each other */
         int (*following_set)(Unit *u, Set **s);
 
+        /* Called whenever CLOCK_REALTIME made a jump */
+        void (*time_change)(Unit *u);
+
         /* This is called for each unit type and should be used to
          * enumerate existing devices and load them. However,
          * everything that is loaded here should still stay in