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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:00:47 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 13:00:47 +0000 |
commit | 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 (patch) | |
tree | da68ca54bb79f4080079bf0828acda937593a4e1 /src/core/timer.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/core/timer.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/core/timer.h b/src/core/timer.h new file mode 100644 index 0000000..14fa317 --- /dev/null +++ b/src/core/timer.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#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; + bool on_clock_change; + bool on_timezone_change; + bool fixed_random_delay; + + 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); |