4 This file is part of systemd.
6 Copyright 2011 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 #include "cgroup-util.h"
31 #include "path-lookup.h"
34 typedef struct Manager Manager;
36 #include "logind-action.h"
37 #include "logind-button.h"
38 #include "logind-device.h"
39 #include "logind-inhibit.h"
52 LIST_HEAD(Seat, seat_gc_queue);
53 LIST_HEAD(Session, session_gc_queue);
54 LIST_HEAD(User, user_gc_queue);
57 struct udev_monitor *udev_seat_monitor, *udev_device_monitor, *udev_vcsa_monitor, *udev_button_monitor;
59 sd_event_source *console_active_event_source;
60 sd_event_source *udev_seat_event_source;
61 sd_event_source *udev_device_event_source;
62 sd_event_source *udev_vcsa_event_source;
63 sd_event_source *udev_button_event_source;
65 /* Make sure the user cannot accidentally unmount our cgroup
70 ManagerRunningAs running_as;
73 /* Data specific to the cgroup subsystem */
74 CGroupMask cgroup_supported;
77 int console_active_fd;
79 #if 0 /// elogind does not support autospawning of vts
88 char **kill_only_users, **kill_exclude_users;
89 bool kill_user_processes;
91 unsigned long session_counter;
92 unsigned long inhibit_counter;
94 Hashmap *session_units;
97 usec_t inhibit_delay_max;
99 /* If an action is currently being executed or is delayed,
100 * this is != 0 and encodes what is being done */
101 InhibitWhat action_what;
103 #if 0 /// elogind does all relevant actions on its own. No systemd jobs and units.
104 /* If a shutdown/suspend was delayed due to a inhibitor this
105 contains the unit name we are supposed to start after the
107 const char *action_unit;
109 /* If a shutdown/suspend is currently executed, then this is
113 /* If a shutdown/suspend was delayed due to a inhibitor this
114 contains the action we are supposed to perform after the
116 HandleAction pending_action;
119 sd_event_source *inhibit_timeout_source;
121 char *scheduled_shutdown_type;
122 usec_t scheduled_shutdown_timeout;
123 sd_event_source *scheduled_shutdown_timeout_source;
124 uid_t scheduled_shutdown_uid;
125 char *scheduled_shutdown_tty;
126 sd_event_source *nologin_timeout_source;
130 unsigned enable_wall_messages;
131 sd_event_source *wall_message_timeout_source;
133 bool shutdown_dry_run;
135 sd_event_source *idle_action_event_source;
136 usec_t idle_action_usec;
137 usec_t idle_action_not_before_usec;
138 HandleAction idle_action;
140 HandleAction handle_power_key;
141 HandleAction handle_suspend_key;
142 HandleAction handle_hibernate_key;
143 HandleAction handle_lid_switch;
144 HandleAction handle_lid_switch_docked;
146 bool power_key_ignore_inhibited;
147 bool suspend_key_ignore_inhibited;
148 bool hibernate_key_ignore_inhibited;
149 bool lid_switch_ignore_inhibited;
153 char **suspend_state, **suspend_mode;
154 char **hibernate_state, **hibernate_mode;
155 char **hybrid_sleep_state, **hybrid_sleep_mode;
157 Hashmap *polkit_registry;
159 usec_t holdoff_timeout_usec;
160 sd_event_source *lid_switch_ignore_event_source;
162 size_t runtime_dir_size;
163 uint64_t user_tasks_max;
166 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
167 int manager_add_button(Manager *m, const char *name, Button **_button);
168 int manager_add_seat(Manager *m, const char *id, Seat **_seat);
169 int manager_add_session(Manager *m, const char *id, Session **_session);
170 int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
171 int manager_add_user_by_name(Manager *m, const char *name, User **_user);
172 int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
173 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
175 int manager_process_seat_device(Manager *m, struct udev_device *d);
176 int manager_process_button_device(Manager *m, struct udev_device *d);
178 #if 0 /// UNNEEDED by elogind
179 int manager_spawn_autovt(Manager *m, unsigned int vtnr);
182 bool manager_shall_kill(Manager *m, const char *user);
184 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
186 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
187 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
189 bool manager_is_docked_or_external_displays(Manager *m);
191 extern const sd_bus_vtable manager_vtable[];
193 #if 0 /// UNNEEDED by elogind
194 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
195 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
196 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
197 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
198 int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
200 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
202 /// eloginds own version does the action itself
203 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, HandleAction action, InhibitWhat w, sd_bus_error *error);
206 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
208 #if 0 /// UNNEEDED by elogind
209 int manager_start_slice(Manager *manager, const char *slice, const char *description, const char *after, const char *after2, uint64_t tasks_max, sd_bus_error *error, char **job);
210 int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, const char *after, const char *after2, sd_bus_error *error, char **job);
211 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
212 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
213 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
214 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
215 int manager_unit_is_active(Manager *manager, const char *unit);
216 int manager_job_is_active(Manager *manager, const char *path);
219 /* gperf lookup function */
220 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
222 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
224 int config_parse_tmpfs_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
226 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
227 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
228 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
230 #if 0 /// UNNEEDED by elogind
231 int manager_setup_wall_message_timer(Manager *m);
232 bool logind_wall_tty_filter(const char *tty, void *userdata);
235 int manager_dispatch_delayed(Manager *manager, bool timeout);