core: annotate event sources

1 files changed, 7 insertions, 1 deletions

diff --git a/src/core/scope.c b/src/core/scope.c
index cbfa3369ab..b99eca90e0 100644
--- a/src/core/scope.c
+++ b/src/core/scope.c
@@ -81,12 +81,18 @@ static int scope_arm_timer(Scope *s) {
                 return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
         }
 
-        return sd_event_add_time(
+        r =  sd_event_add_time(
                         UNIT(s)->manager->event,
                         &s->timer_event_source,
                         CLOCK_MONOTONIC,
                         now(CLOCK_MONOTONIC) + s->timeout_stop_usec, 0,
                         scope_dispatch_timer, s);
+        if (r < 0)
+                return r;
+
+        (void) sd_event_source_set_description(s->timer_event_source, "scope-timer");
+
+        return 0;
 }
 
 static void scope_set_state(Scope *s, ScopeState state) {