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"
40 #include "logind-sleep.h"
53 LIST_HEAD(Seat, seat_gc_queue);
54 LIST_HEAD(Session, session_gc_queue);
55 LIST_HEAD(User, user_gc_queue);
58 struct udev_monitor *udev_seat_monitor, *udev_device_monitor, *udev_vcsa_monitor, *udev_button_monitor;
60 sd_event_source *console_active_event_source;
61 sd_event_source *udev_seat_event_source;
62 sd_event_source *udev_device_event_source;
63 sd_event_source *udev_vcsa_event_source;
64 sd_event_source *udev_button_event_source;
66 /* Make sure the user cannot accidentally unmount our cgroup
71 ManagerRunningAs running_as;
74 /* Data specific to the cgroup subsystem */
75 CGroupMask cgroup_supported;
78 int console_active_fd;
80 #if 0 /// elogind does not support autospawning of vts
89 char **kill_only_users, **kill_exclude_users;
90 bool kill_user_processes;
92 unsigned long session_counter;
93 unsigned long inhibit_counter;
95 Hashmap *session_units;
98 usec_t inhibit_delay_max;
100 /* If an action is currently being executed or is delayed,
101 * this is != 0 and encodes what is being done */
102 InhibitWhat action_what;
104 #if 0 /// elogind does all relevant actions on its own. No systemd jobs and units.
105 /* If a shutdown/suspend was delayed due to a inhibitor this
106 contains the unit name we are supposed to start after the
108 const char *action_unit;
110 /* If a shutdown/suspend is currently executed, then this is
114 /* If a shutdown/suspend was delayed due to a inhibitor this
115 contains the action we are supposed to perform after the
117 HandleAction pending_action;
120 sd_event_source *inhibit_timeout_source;
122 char *scheduled_shutdown_type;
123 usec_t scheduled_shutdown_timeout;
124 sd_event_source *scheduled_shutdown_timeout_source;
125 uid_t scheduled_shutdown_uid;
126 char *scheduled_shutdown_tty;
127 sd_event_source *nologin_timeout_source;
131 unsigned enable_wall_messages;
132 sd_event_source *wall_message_timeout_source;
134 bool shutdown_dry_run;
136 sd_event_source *idle_action_event_source;
137 usec_t idle_action_usec;
138 usec_t idle_action_not_before_usec;
139 HandleAction idle_action;
141 HandleAction handle_power_key;
142 HandleAction handle_suspend_key;
143 HandleAction handle_hibernate_key;
144 HandleAction handle_lid_switch;
145 HandleAction handle_lid_switch_docked;
147 bool power_key_ignore_inhibited;
148 bool suspend_key_ignore_inhibited;
149 bool hibernate_key_ignore_inhibited;
150 bool lid_switch_ignore_inhibited;
154 char **suspend_state, **suspend_mode;
155 char **hibernate_state, **hibernate_mode;
156 char **hybrid_sleep_state, **hybrid_sleep_mode;
158 Hashmap *polkit_registry;
160 usec_t holdoff_timeout_usec;
161 sd_event_source *lid_switch_ignore_event_source;
163 size_t runtime_dir_size;
164 uint64_t user_tasks_max;
167 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
168 int manager_add_button(Manager *m, const char *name, Button **_button);
169 int manager_add_seat(Manager *m, const char *id, Seat **_seat);
170 int manager_add_session(Manager *m, const char *id, Session **_session);
171 int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
172 int manager_add_user_by_name(Manager *m, const char *name, User **_user);
173 int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
174 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
176 int manager_process_seat_device(Manager *m, struct udev_device *d);
177 int manager_process_button_device(Manager *m, struct udev_device *d);
179 #if 0 /// UNNEEDED by elogind
180 int manager_spawn_autovt(Manager *m, unsigned int vtnr);
183 bool manager_shall_kill(Manager *m, const char *user);
185 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
187 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
188 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
190 bool manager_is_docked_or_external_displays(Manager *m);
192 extern const sd_bus_vtable manager_vtable[];
194 #if 0 /// UNNEEDED by elogind
195 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
196 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
197 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
198 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
199 int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
201 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
203 /// eloginds own version does the action itself
204 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, HandleAction action, InhibitWhat w, sd_bus_error *error);
207 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
209 #if 0 /// UNNEEDED by elogind
210 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);
211 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);
212 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
213 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
214 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
215 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
216 int manager_unit_is_active(Manager *manager, const char *unit);
217 int manager_job_is_active(Manager *manager, const char *path);
220 /* gperf lookup function */
221 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
223 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
225 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);
227 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
228 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
229 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
231 #if 0 /// UNNEEDED by elogind
232 int manager_setup_wall_message_timer(Manager *m);
233 bool logind_wall_tty_filter(const char *tty, void *userdata);
236 int manager_dispatch_delayed(Manager *manager, bool timeout);