assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
assert_return(!event_pid_changed(e), -ECHILD);
+ if (IN_SET(clock, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM) &&
+ !clock_boottime_supported())
+ return -EOPNOTSUPP;
+
if (!callback)
callback = time_exit_callback;
}
dual_timestamp_get(&e->timestamp);
- e->timestamp_boottime = now(CLOCK_BOOTTIME);
+ if (clock_boottime_supported())
+ e->timestamp_boottime = now(CLOCK_BOOTTIME);
for (i = 0; i < m; i++) {
CLOCK_BOOTTIME,
CLOCK_BOOTTIME_ALARM), -EOPNOTSUPP);
+ if (IN_SET(clock, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM) && !clock_boottime_supported())
+ return -EOPNOTSUPP;
+
if (!dual_timestamp_is_set(&e->timestamp)) {
/* Implicitly fall back to now() if we never ran
* before and thus have no cached time. */