93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef struct Timer Timer;
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#include "calendarspec.h"
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typedef enum TimerBase {
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TIMER_ACTIVE,
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TIMER_BOOT,
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TIMER_STARTUP,
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TIMER_UNIT_ACTIVE,
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TIMER_UNIT_INACTIVE,
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TIMER_CALENDAR,
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_TIMER_BASE_MAX,
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_TIMER_BASE_INVALID = -1
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} TimerBase;
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typedef struct TimerValue {
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TimerBase base;
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bool disabled;
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usec_t value; /* only for monotonic events */
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CalendarSpec *calendar_spec; /* only for calendar events */
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usec_t next_elapse;
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LIST_FIELDS(struct TimerValue, value);
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} TimerValue;
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typedef enum TimerResult {
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TIMER_SUCCESS,
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TIMER_FAILURE_RESOURCES,
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TIMER_FAILURE_START_LIMIT_HIT,
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_TIMER_RESULT_MAX,
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_TIMER_RESULT_INVALID = -1
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} TimerResult;
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struct Timer {
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Unit meta;
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usec_t accuracy_usec;
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usec_t random_usec;
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LIST_HEAD(TimerValue, values);
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usec_t next_elapse_realtime;
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usec_t next_elapse_monotonic_or_boottime;
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dual_timestamp last_trigger;
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TimerState state, deserialized_state;
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sd_event_source *monotonic_event_source;
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sd_event_source *realtime_event_source;
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TimerResult result;
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bool persistent;
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bool wake_system;
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bool remain_after_elapse;
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char *stamp_path;
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};
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#define TIMER_MONOTONIC_CLOCK(t) ((t)->wake_system && clock_boottime_supported() ? CLOCK_BOOTTIME_ALARM : CLOCK_MONOTONIC)
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void timer_free_values(Timer *t);
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extern const UnitVTable timer_vtable;
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const char *timer_base_to_string(TimerBase i) _const_;
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TimerBase timer_base_from_string(const char *s) _pure_;
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const char* timer_result_to_string(TimerResult i) _const_;
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TimerResult timer_result_from_string(const char *s) _pure_;
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