mirror of
https://github.com/systemd/systemd.git
synced 2024-11-05 06:52:22 +03:00
151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/*-*- Mode: C; c-basic-offset: 8 -*-*/
|
|
|
|
#ifndef foojobhfoo
|
|
#define foojobhfoo
|
|
|
|
/***
|
|
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 General Public License as published by
|
|
the Free Software Foundation; either version 2 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
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <stdbool.h>
|
|
#include <inttypes.h>
|
|
|
|
typedef struct Job Job;
|
|
typedef struct JobDependency JobDependency;
|
|
typedef enum JobType JobType;
|
|
typedef enum JobState JobState;
|
|
typedef enum JobMode JobMode;
|
|
|
|
#include "manager.h"
|
|
#include "unit.h"
|
|
#include "hashmap.h"
|
|
#include "list.h"
|
|
|
|
enum JobType {
|
|
JOB_START, /* if a unit does not support being started, we'll just wait until it becomes active */
|
|
JOB_VERIFY_ACTIVE,
|
|
|
|
JOB_STOP,
|
|
|
|
JOB_RELOAD, /* if running reload */
|
|
JOB_RELOAD_OR_START, /* if running reload, if not running start */
|
|
|
|
/* Note that restarts are first treated like JOB_STOP, but
|
|
* then instead of finishing are patched to become
|
|
* JOB_START. */
|
|
JOB_RESTART, /* if running stop, then start unconditionally */
|
|
JOB_TRY_RESTART, /* if running stop and then start */
|
|
|
|
_JOB_TYPE_MAX,
|
|
_JOB_TYPE_INVALID = -1
|
|
};
|
|
|
|
enum JobState {
|
|
JOB_WAITING,
|
|
JOB_RUNNING,
|
|
_JOB_STATE_MAX,
|
|
_JOB_STATE_INVALID = -1
|
|
};
|
|
|
|
enum JobMode {
|
|
JOB_FAIL,
|
|
JOB_REPLACE,
|
|
_JOB_MODE_MAX,
|
|
_JOB_MODE_INVALID = -1
|
|
};
|
|
|
|
struct JobDependency {
|
|
/* Encodes that the 'subject' job needs the 'object' job in
|
|
* some way. This structure is used only while building a transaction. */
|
|
Job *subject;
|
|
Job *object;
|
|
|
|
bool matters;
|
|
|
|
LIST_FIELDS(JobDependency, subject);
|
|
LIST_FIELDS(JobDependency, object);
|
|
};
|
|
|
|
struct Job {
|
|
Manager *manager;
|
|
uint32_t id;
|
|
|
|
Unit *unit;
|
|
|
|
JobType type;
|
|
JobState state;
|
|
|
|
bool installed:1;
|
|
bool in_run_queue:1;
|
|
bool matters_to_anchor:1;
|
|
bool override:1;
|
|
bool in_dbus_queue:1;
|
|
bool sent_dbus_new_signal:1;
|
|
|
|
LIST_FIELDS(Job, transaction);
|
|
LIST_FIELDS(Job, run_queue);
|
|
LIST_FIELDS(Job, dbus_queue);
|
|
|
|
LIST_HEAD(JobDependency, subject_list);
|
|
LIST_HEAD(JobDependency, object_list);
|
|
|
|
/* Used for graph algs as a "I have been here" marker */
|
|
Job* marker;
|
|
unsigned generation;
|
|
|
|
};
|
|
|
|
Job* job_new(Manager *m, JobType type, Unit *unit);
|
|
void job_free(Job *job);
|
|
void job_dump(Job *j, FILE*f, const char *prefix);
|
|
|
|
JobDependency* job_dependency_new(Job *subject, Job *object, bool matters);
|
|
void job_dependency_free(JobDependency *l);
|
|
void job_dependency_delete(Job *subject, Job *object, bool *matters);
|
|
|
|
bool job_is_anchor(Job *j);
|
|
|
|
int job_merge(Job *j, Job *other);
|
|
|
|
int job_type_merge(JobType *a, JobType b);
|
|
bool job_type_is_mergeable(JobType a, JobType b);
|
|
bool job_type_is_superset(JobType a, JobType b);
|
|
bool job_type_is_conflicting(JobType a, JobType b);
|
|
bool job_type_is_redundant(JobType a, UnitActiveState b);
|
|
|
|
bool job_is_runnable(Job *j);
|
|
|
|
void job_add_to_run_queue(Job *j);
|
|
void job_add_to_dbus_queue(Job *j);
|
|
|
|
int job_run_and_invalidate(Job *j);
|
|
int job_finish_and_invalidate(Job *j, bool success);
|
|
|
|
const char* job_type_to_string(JobType t);
|
|
JobType job_type_from_string(const char *s);
|
|
|
|
const char* job_state_to_string(JobState t);
|
|
JobState job_state_from_string(const char *s);
|
|
|
|
const char* job_mode_to_string(JobMode t);
|
|
JobMode job_mode_from_string(const char *s);
|
|
|
|
char *job_dbus_path(Job *j);
|
|
|
|
#endif
|