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git.ipfire.org Git - thirdparty/systemd.git/blob - manager.h
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1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
7 This file is part of systemd.
9 Copyright 2010 Lennart Poettering
11 systemd is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 systemd is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with systemd; If not, see <http://www.gnu.org/licenses/>.
29 #include <dbus/dbus.h>
31 typedef struct Manager Manager
;
32 typedef enum WatchType WatchType
;
33 typedef struct Watch Watch
;
53 DBusTimeout
*bus_timeout
;
64 #define SPECIAL_DEFAULT_TARGET "default.target"
65 #define SPECIAL_SYSLOG_SERVICE "syslog.service"
66 #define SPECIAL_DBUS_SERVICE "messagebus.service"
67 #define SPECIAL_LOGGER_SOCKET "systemd-logger.socket"
68 #define SPECIAL_KBREQUEST_TARGET "kbrequest.target"
69 #define SPECIAL_CTRL_ALT_DEL_TARGET "ctrl-alt-del.target"
72 uint32_t current_job_id
;
74 /* Note that the set of units we know of is allowed to be
75 * incosistent. However the subset of it that is loaded may
76 * not, and the list of jobs may neither. */
78 /* Active jobs and units */
79 Hashmap
*units
; /* name string => Unit object n:1 */
80 Hashmap
*jobs
; /* job id => Job object 1:1 */
82 /* To make it easy to iterate through the units of a specific
83 * type we maintain a per type linked list */
84 LIST_HEAD(Meta
, units_per_type
[_UNIT_TYPE_MAX
]);
86 /* Units that need to be loaded */
87 LIST_HEAD(Meta
, load_queue
); /* this is actually more a stack than a queue, but uh. */
89 /* Jobs that need to be run */
90 LIST_HEAD(Job
, run_queue
); /* more a stack than a queue, too */
92 /* Jobs to be added */
93 Hashmap
*transaction_jobs
; /* Unit object => Job object list 1:1 */
94 JobDependency
*transaction_anchor
;
96 bool dispatching_load_queue
:1;
97 bool dispatching_run_queue
:1;
101 bool request_bus_dispatch
:1;
103 Hashmap
*watch_pids
; /* pid => Unit object n:1 */
109 /* Data specific to the device subsystem */
111 struct udev_monitor
* udev_monitor
;
114 /* Data specific to the mount subsystem */
115 FILE *proc_self_mountinfo
;
118 /* Data specific to the D-Bus subsystem */
122 Manager
* manager_new(void);
123 void manager_free(Manager
*m
);
125 int manager_coldplug(Manager
*m
);
127 Job
*manager_get_job(Manager
*m
, uint32_t id
);
128 Unit
*manager_get_unit(Manager
*m
, const char *name
);
130 int manager_get_unit_from_dbus_path(Manager
*m
, const char *s
, Unit
**_u
);
131 int manager_get_job_from_dbus_path(Manager
*m
, const char *s
, Job
**_j
);
133 int manager_load_unit(Manager
*m
, const char *path_or_name
, Unit
**_ret
);
134 int manager_add_job(Manager
*m
, JobType type
, Unit
*unit
, JobMode mode
, bool force
, Job
**_ret
);
136 void manager_dump_units(Manager
*s
, FILE *f
, const char *prefix
);
137 void manager_dump_jobs(Manager
*s
, FILE *f
, const char *prefix
);
139 void manager_transaction_unlink_job(Manager
*m
, Job
*j
);
141 void manager_clear_jobs(Manager
*m
);
143 void manager_dispatch_load_queue(Manager
*m
);
144 void manager_dispatch_run_queue(Manager
*m
);
146 int manager_loop(Manager
*m
);