main: add a few more useful diagnostic log messages

[elogind.git] / src / unit.c

diff --git a/src/unit.c b/src/unit.c
index a5f8712ae6d1101b358ad092095b4bfa6c002ea5..c287310a48908474c778d66291164a0218a2c99e 100644 (file)
--- a/src/unit.c
+++ b/src/unit.c
@@ -970,6 +970,9 @@ void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns) {
         else if (UNIT_IS_ACTIVE_OR_RELOADING(os) && !UNIT_IS_ACTIVE_OR_RELOADING(ns))
                 u->meta.active_exit_timestamp = ts;
 
+        if (ns != os && ns == UNIT_MAINTENANCE)
+                log_notice("Unit %s entered maintenance state.", u->meta.id);
+
         timer_unit_notify(u, ns);
         path_unit_notify(u, ns);