41 struct alarm {  struct
44 	enum alarmtimer_restart	(*function)(struct alarm *, ktime_t now);  argument
50 void alarm_init(struct alarm *alarm, enum alarmtimer_type type,  argument
51 		enum alarmtimer_restart (*function)(struct alarm *, ktime_t));
52 void alarm_start(struct alarm *alarm, ktime_t start);
53 void alarm_start_relative(struct alarm *alarm, ktime_t start);
54 void alarm_restart(struct alarm *alarm);
55 int alarm_try_to_cancel(struct alarm *alarm);
56 int alarm_cancel(struct alarm *alarm);
58 u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval);
59 u64 alarm_forward_now(struct alarm *alarm, ktime_t interval);
60 ktime_t alarm_expires_remaining(const struct alarm *alarm);