diff options
Diffstat (limited to 'include/linux/alarmtimer.h')
| -rw-r--r-- | include/linux/alarmtimer.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h new file mode 100644 index 00000000000..c5d6095b46f --- /dev/null +++ b/include/linux/alarmtimer.h @@ -0,0 +1,40 @@ +#ifndef _LINUX_ALARMTIMER_H +#define _LINUX_ALARMTIMER_H + +#include <linux/time.h> +#include <linux/hrtimer.h> +#include <linux/timerqueue.h> +#include <linux/rtc.h> + +enum alarmtimer_type { + ALARM_REALTIME, + ALARM_BOOTTIME, + + ALARM_NUMTYPE, +}; + +/** + * struct alarm - Alarm timer structure + * @node: timerqueue node for adding to the event list this value + * also includes the expiration time. + * @period: Period for recuring alarms + * @function: Function pointer to be executed when the timer fires. + * @type: Alarm type (BOOTTIME/REALTIME) + * @enabled: Flag that represents if the alarm is set to fire or not + * @data: Internal data value. + */ +struct alarm { + struct timerqueue_node node; + ktime_t period; + void (*function)(struct alarm *); + enum alarmtimer_type type; + bool enabled; + void *data; +}; + +void alarm_init(struct alarm *alarm, enum alarmtimer_type type, + void (*function)(struct alarm *)); +void alarm_start(struct alarm *alarm, ktime_t start, ktime_t period); +void alarm_cancel(struct alarm *alarm); + +#endif |