core: undo the dependency inversion between unit.h and all unit types

[thirdparty/systemd.git] / src / core / timer.h

diff --git a/src/core/timer.h b/src/core/timer.h
index 57a514a68c5f7a7dd824afdf018b830949039607..0588a96ca2445d7d6b886cb7a9570ef895439fef 100644 (file)
--- a/src/core/timer.h
+++ b/src/core/timer.h
@@ -1,40 +1,16 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
 /***
   This file is part of systemd.
 
   Copyright 2010 Lennart Poettering
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
 typedef struct Timer Timer;
 
-#include "unit.h"
 #include "calendarspec.h"
-
-typedef enum TimerState {
-        TIMER_DEAD,
-        TIMER_WAITING,
-        TIMER_RUNNING,
-        TIMER_ELAPSED,
-        TIMER_FAILED,
-        _TIMER_STATE_MAX,
-        _TIMER_STATE_INVALID = -1
-} TimerState;
+#include "unit.h"
 
 typedef enum TimerBase {
         TIMER_ACTIVE,
@@ -50,10 +26,9 @@ typedef enum TimerBase {
 typedef struct TimerValue {
         TimerBase base;
         bool disabled;
-        clockid_t clock_id;
 
-        usec_t value;
-        CalendarSpec *calendar_spec;
+        usec_t value; /* only for monotonic events */
+        CalendarSpec *calendar_spec; /* only for calendar events */
         usec_t next_elapse;
 
         LIST_FIELDS(struct TimerValue, value);
@@ -62,6 +37,7 @@ typedef struct TimerValue {
 typedef enum TimerResult {
         TIMER_SUCCESS,
         TIMER_FAILURE_RESOURCES,
+        TIMER_FAILURE_START_LIMIT_HIT,
         _TIMER_RESULT_MAX,
         _TIMER_RESULT_INVALID = -1
 } TimerResult;
@@ -69,28 +45,38 @@ typedef enum TimerResult {
 struct Timer {
         Unit meta;
 
+        usec_t accuracy_usec;
+        usec_t random_usec;
+
         LIST_HEAD(TimerValue, values);
-        usec_t next_elapse_monotonic;
         usec_t next_elapse_realtime;
+        usec_t next_elapse_monotonic_or_boottime;
+        dual_timestamp last_trigger;
 
         TimerState state, deserialized_state;
-        UnitRef unit;
 
-        Watch monotonic_watch;
-        Watch realtime_watch;
+        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;
 };
 
-void timer_unit_notify(Unit *u, UnitActiveState new_state);
+#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_state_to_string(TimerState i);
-TimerState timer_state_from_string(const char *s);
+const char *timer_base_to_string(TimerBase i) _const_;
+TimerBase timer_base_from_string(const char *s) _pure_;
 
-const char *timer_base_to_string(TimerBase i);
-TimerBase timer_base_from_string(const char *s);
+const char* timer_result_to_string(TimerResult i) _const_;
+TimerResult timer_result_from_string(const char *s) _pure_;
 
-const char* timer_result_to_string(TimerResult i);
-TimerResult timer_result_from_string(const char *s);
+DEFINE_CAST(TIMER, Timer);