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/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
typedef struct Timer Timer;
#include "calendarspec.h"
#include "unit.h"
typedef enum TimerBase {
TIMER_ACTIVE,
TIMER_BOOT,
TIMER_STARTUP,
TIMER_UNIT_ACTIVE,
TIMER_UNIT_INACTIVE,
TIMER_CALENDAR,
_TIMER_BASE_MAX,
_TIMER_BASE_INVALID = -1
} TimerBase;
typedef struct TimerValue {
TimerBase base;
bool disabled;
usec_t value; /* only for monotonic events */
CalendarSpec *calendar_spec; /* only for calendar events */
usec_t next_elapse;
LIST_FIELDS(struct TimerValue, value);
} TimerValue;
typedef enum TimerResult {
TIMER_SUCCESS,
TIMER_FAILURE_RESOURCES,
TIMER_FAILURE_START_LIMIT_HIT,
_TIMER_RESULT_MAX,
_TIMER_RESULT_INVALID = -1
} TimerResult;
struct Timer {
Unit meta;
usec_t accuracy_usec;
usec_t random_usec;
LIST_HEAD(TimerValue, values);
usec_t next_elapse_realtime;
usec_t next_elapse_monotonic_or_boottime;
dual_timestamp last_trigger;
TimerState state, deserialized_state;
sd_event_source *monotonic_event_source;
sd_event_source *realtime_event_source;
TimerResult result;
bool persistent;
bool wake_system;
bool remain_after_elapse;
char *stamp_path;
};
#define TIMER_MONOTONIC_CLOCK(t) ((t)->wake_system && clock_boottime_supported() ? CLOCK_BOOTTIME_ALARM : CLOCK_MONOTONIC)
void timer_free_values(Timer *t);
extern const UnitVTable timer_vtable;
const char *timer_base_to_string(TimerBase i) _const_;
TimerBase timer_base_from_string(const char *s) _pure_;
const char* timer_result_to_string(TimerResult i) _const_;
TimerResult timer_result_from_string(const char *s) _pure_;
DEFINE_CAST(TIMER, Timer);
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