assert(u);
assert(u->load_state == UNIT_STUB);
- t->next_elapse_monotonic = (usec_t) -1;
+ t->next_elapse_monotonic_or_boottime = (usec_t) -1;
t->next_elapse_realtime = (usec_t) -1;
- t->accuracy_usec = USEC_PER_MINUTE;
+ t->accuracy_usec = u->manager->default_timer_accuracy_usec;
}
void timer_free_values(Timer *t) {
"%sTimer State: %s\n"
"%sResult: %s\n"
"%sUnit: %s\n"
+ "%sPersistent: %s\n"
+ "%sWakeSystem: %s\n"
"%sAccuracy: %s\n",
prefix, timer_state_to_string(t->state),
prefix, timer_result_to_string(t->result),
prefix, trigger ? trigger->id : "n/a",
+ prefix, yes_no(t->persistent),
+ prefix, yes_no(t->wake_system),
prefix, format_timespan(buf, sizeof(buf), t->accuracy_usec, 1));
LIST_FOREACH(value, v, t->values) {
timer_set_state(t, t->result != TIMER_SUCCESS ? TIMER_FAILED : TIMER_DEAD);
}
+static usec_t monotonic_to_boottime(usec_t t) {
+ usec_t a, b;
+
+ if (t <= 0)
+ return 0;
+
+ a = now(CLOCK_BOOTTIME);
+ b = now(CLOCK_MONOTONIC);
+
+ if (t + a > b)
+ return t + a - b;
+ else
+ return 0;
+}
+
static void timer_enter_waiting(Timer *t, bool initial) {
- TimerValue *v;
- usec_t base = 0;
- dual_timestamp ts;
bool found_monotonic = false, found_realtime = false;
+ usec_t ts_realtime, ts_monotonic;
+ usec_t base = 0;
+ TimerValue *v;
int r;
- dual_timestamp_get(&ts);
- t->next_elapse_monotonic = t->next_elapse_realtime = 0;
+ /* If we shall wake the system we use the boottime clock
+ * rather than the monotonic clock. */
+
+ ts_realtime = now(CLOCK_REALTIME);
+ ts_monotonic = now(t->wake_system ? CLOCK_BOOTTIME : CLOCK_MONOTONIC);
+ t->next_elapse_monotonic_or_boottime = t->next_elapse_realtime = 0;
LIST_FOREACH(value, v, t->values) {
* to that. If we don't just start from
* now. */
- b = t->last_trigger.realtime > 0 ? t->last_trigger.realtime : ts.realtime;
+ b = t->last_trigger.realtime > 0 ? t->last_trigger.realtime : ts_realtime;
r = calendar_spec_next_usec(v->calendar_spec, b, &v->next_elapse);
if (r < 0)
if (state_translation_table[t->state] == UNIT_ACTIVE)
base = UNIT(t)->inactive_exit_timestamp.monotonic;
else
- base = ts.monotonic;
+ base = ts_monotonic;
break;
case TIMER_BOOT:
assert_not_reached("Unknown timer base");
}
+ if (t->wake_system)
+ base = monotonic_to_boottime(base);
+
v->next_elapse = base + v->value;
- if (!initial && v->next_elapse < ts.monotonic && IN_SET(v->base, TIMER_ACTIVE, TIMER_BOOT, TIMER_STARTUP)) {
+ if (!initial && v->next_elapse < ts_monotonic && IN_SET(v->base, TIMER_ACTIVE, TIMER_BOOT, TIMER_STARTUP)) {
/* This is a one time trigger, disable it now */
v->disabled = true;
continue;
}
if (!found_monotonic)
- t->next_elapse_monotonic = v->next_elapse;
+ t->next_elapse_monotonic_or_boottime = v->next_elapse;
else
- t->next_elapse_monotonic = MIN(t->next_elapse_monotonic, v->next_elapse);
+ t->next_elapse_monotonic_or_boottime = MIN(t->next_elapse_monotonic_or_boottime, v->next_elapse);
found_monotonic = true;
}
if (found_monotonic) {
char buf[FORMAT_TIMESPAN_MAX];
- log_debug_unit(UNIT(t)->id, "%s: Monotonic timer elapses in %s.", UNIT(t)->id, format_timespan(buf, sizeof(buf), t->next_elapse_monotonic > ts.monotonic ? t->next_elapse_monotonic - ts.monotonic : 0, 0));
+
+ log_debug_unit(UNIT(t)->id, "%s: Monotonic timer elapses in %s.",
+ UNIT(t)->id,
+ format_timespan(buf, sizeof(buf), t->next_elapse_monotonic_or_boottime > ts_monotonic ? t->next_elapse_monotonic_or_boottime - ts_monotonic : 0, 0));
if (t->monotonic_event_source) {
- r = sd_event_source_set_time(t->monotonic_event_source, t->next_elapse_monotonic);
+ r = sd_event_source_set_time(t->monotonic_event_source, t->next_elapse_monotonic_or_boottime);
if (r < 0)
goto fail;
r = sd_event_add_time(
UNIT(t)->manager->event,
&t->monotonic_event_source,
- CLOCK_MONOTONIC,
- t->next_elapse_monotonic, t->accuracy_usec,
+ t->wake_system ? CLOCK_BOOTTIME_ALARM : CLOCK_MONOTONIC,
+ t->next_elapse_monotonic_or_boottime, t->accuracy_usec,
timer_dispatch, t);
if (r < 0)
goto fail;
r = sd_event_add_time(
UNIT(t)->manager->event,
&t->realtime_event_source,
- CLOCK_REALTIME,
+ t->wake_system ? CLOCK_REALTIME_ALARM : CLOCK_REALTIME,
t->next_elapse_realtime, t->accuracy_usec,
timer_dispatch, t);
if (r < 0)
dual_timestamp_get(&t->last_trigger);
- if (t->stamp_path) {
- _cleanup_close_ int fd = -1;
-
- mkdir_parents_label(t->stamp_path, 0755);
-
- /* Update the file atime + mtime, if we can */
- fd = open(t->stamp_path, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0644);
- if (fd >= 0) {
- struct timespec ts[2];
-
- timespec_store(&ts[0], t->last_trigger.realtime);
- ts[1] = ts[0];
-
- futimens(fd, ts);
- }
- }
+ if (t->stamp_path)
+ touch_file(t->stamp_path, true, t->last_trigger.realtime, (uid_t) -1, (gid_t) -1, 0);
timer_set_state(t, TIMER_RUNNING);
return;
if (stat(t->stamp_path, &st) >= 0)
t->last_trigger.realtime = timespec_load(&st.st_atim);
+ else if (errno == ENOENT)
+ /* The timer has never run before,
+ * make sure a stamp file exists.
+ */
+ touch_file(t->stamp_path, true, (usec_t) -1, (uid_t) -1, (gid_t) -1, 0);
}
t->result = TIMER_SUCCESS;
~ianmdlvl / elogind.git / blobdiff