+struct devalarm {
+ union {
+ struct hrtimer hrt;
+ struct alarm alrm;
+ } u;
+ enum android_alarm_type type;
+};
+
+static struct devalarm alarms[ANDROID_ALARM_TYPE_COUNT];
+
+
+static int is_wakeup(enum android_alarm_type type)
+{
+ if (type == ANDROID_ALARM_RTC_WAKEUP ||
+ type == ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP)
+ return 1;
+ return 0;
+}
+
+
+static void devalarm_start(struct devalarm *alrm, ktime_t exp)
+{
+ if (is_wakeup(alrm->type))
+ alarm_start(&alrm->u.alrm, exp);
+ else
+ hrtimer_start(&alrm->u.hrt, exp, HRTIMER_MODE_ABS);
+}
+
+
+static int devalarm_try_to_cancel(struct devalarm *alrm)
+{
+ int ret;
+ if (is_wakeup(alrm->type))
+ ret = alarm_try_to_cancel(&alrm->u.alrm);
+ else
+ ret = hrtimer_try_to_cancel(&alrm->u.hrt);
+ return ret;
+}
+
+static void devalarm_cancel(struct devalarm *alrm)
+{
+ if (is_wakeup(alrm->type))
+ alarm_cancel(&alrm->u.alrm);
+ else
+ hrtimer_cancel(&alrm->u.hrt);
+}
+