X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Ftimer.c;h=8061f79e3aefddd31937eb49ce8ca7f874d7947c;hb=795607b22308f5b92073b012e43be1892fdd97c0;hp=31ef176e7e3d750c8867bc94d96d32063494262c;hpb=66870f90dec9b5bf4ad76f9757fafce703560a67;p=elogind.git

diff --git a/src/core/timer.c b/src/core/timer.c
index 31ef176e7..8061f79e3 100644
--- a/src/core/timer.c
+++ b/src/core/timer.c
@@ -48,8 +48,7 @@ static void timer_init(Unit *u) {
         watch_init(&t->realtime_watch);
 }
 
-static void timer_done(Unit *u) {
-        Timer *t = TIMER(u);
+void timer_free_values(Timer *t) {
         TimerValue *v;
 
         assert(t);
@@ -62,6 +61,14 @@ static void timer_done(Unit *u) {
 
                 free(v);
         }
+}
+
+static void timer_done(Unit *u) {
+        Timer *t = TIMER(u);
+
+        assert(t);
+
+        timer_free_values(t);
 
         unit_unwatch_timer(u, &t->monotonic_watch);
         unit_unwatch_timer(u, &t->realtime_watch);
@@ -323,7 +330,7 @@ static void timer_enter_waiting(Timer *t, bool initial) {
                 log_debug_unit(UNIT(t)->id,
                                "%s: Monotonic timer elapses in %s the next time.",
                                UNIT(t)->id,
-                               format_timespan(buf, sizeof(buf), t->next_elapse_monotonic - ts.monotonic));
+                               format_timespan(buf, sizeof(buf), t->next_elapse_monotonic > ts.monotonic ? t->next_elapse_monotonic - ts.monotonic : 0));
 
                 r = unit_watch_timer(UNIT(t), CLOCK_MONOTONIC, false, t->next_elapse_monotonic, &t->monotonic_watch);
                 if (r < 0)