9e26476243
Now that periodic alarmtimers are managed by the handler function, remove the period value from the alarm structure and let the handlers manage the interval on their own. CC: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#ifndef _LINUX_ALARMTIMER_H
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#define _LINUX_ALARMTIMER_H
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#include <linux/time.h>
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#include <linux/hrtimer.h>
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#include <linux/timerqueue.h>
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#include <linux/rtc.h>
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enum alarmtimer_type {
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ALARM_REALTIME,
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ALARM_BOOTTIME,
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ALARM_NUMTYPE,
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};
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enum alarmtimer_restart {
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ALARMTIMER_NORESTART,
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ALARMTIMER_RESTART,
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};
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/**
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* struct alarm - Alarm timer structure
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* @node: timerqueue node for adding to the event list this value
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* also includes the expiration time.
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* @period: Period for recuring alarms
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* @function: Function pointer to be executed when the timer fires.
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* @type: Alarm type (BOOTTIME/REALTIME)
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* @enabled: Flag that represents if the alarm is set to fire or not
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* @data: Internal data value.
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*/
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struct alarm {
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struct timerqueue_node node;
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enum alarmtimer_restart (*function)(struct alarm *, ktime_t now);
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enum alarmtimer_type type;
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bool enabled;
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void *data;
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};
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void alarm_init(struct alarm *alarm, enum alarmtimer_type type,
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enum alarmtimer_restart (*function)(struct alarm *, ktime_t));
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void alarm_start(struct alarm *alarm, ktime_t start);
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void alarm_cancel(struct alarm *alarm);
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u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval);
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#endif
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