1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2011 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
30 #include "cgroup-util.h"
31 #include "path-lookup.h"
36 typedef struct Manager Manager;
38 #include "logind-device.h"
39 #include "logind-inhibit.h"
40 #include "logind-button.h"
41 #include "logind-action.h"
54 LIST_HEAD(Seat, seat_gc_queue);
55 LIST_HEAD(Session, session_gc_queue);
56 LIST_HEAD(User, user_gc_queue);
59 struct udev_monitor *udev_seat_monitor, *udev_device_monitor, *udev_vcsa_monitor, *udev_button_monitor;
61 sd_event_source *console_active_event_source;
62 sd_event_source *udev_seat_event_source;
63 sd_event_source *udev_device_event_source;
64 sd_event_source *udev_vcsa_event_source;
65 sd_event_source *udev_button_event_source;
67 /* Make sure the user cannot accidentally unmount our cgroup
72 ManagerRunningAs running_as;
75 /* Data specific to the cgroup subsystem */
76 CGroupMask cgroup_supported;
79 int console_active_fd;
81 /// elogind does not support autospawning of vts
91 char **kill_only_users, **kill_exclude_users;
92 bool kill_user_processes;
94 unsigned long session_counter;
95 unsigned long inhibit_counter;
97 Hashmap *session_units;
100 usec_t inhibit_delay_max;
102 /* If an action is currently being executed or is delayed,
103 * this is != 0 and encodes what is being done */
104 InhibitWhat action_what;
106 /// elogind does all relevant actions on its own. No systemd jobs and units.
108 /* If a shutdown/suspend was delayed due to a inhibitor this
109 contains the unit name we are supposed to start after the
111 const char *action_unit;
113 /* If a shutdown/suspend is currently executed, then this is
117 /* If a shutdown/suspend was delayed due to a inhibitor this
118 contains the action we are supposed to perform after the
120 HandleAction pending_action;
123 sd_event_source *inhibit_timeout_source;
125 char *scheduled_shutdown_type;
126 usec_t scheduled_shutdown_timeout;
127 sd_event_source *scheduled_shutdown_timeout_source;
128 uid_t scheduled_shutdown_uid;
129 char *scheduled_shutdown_tty;
130 sd_event_source *nologin_timeout_source;
134 unsigned enable_wall_messages;
135 sd_event_source *wall_message_timeout_source;
137 sd_event_source *idle_action_event_source;
138 usec_t idle_action_usec;
139 usec_t idle_action_not_before_usec;
140 HandleAction idle_action;
142 HandleAction handle_power_key;
143 HandleAction handle_suspend_key;
144 HandleAction handle_hibernate_key;
145 HandleAction handle_lid_switch;
146 HandleAction handle_lid_switch_docked;
148 bool power_key_ignore_inhibited;
149 bool suspend_key_ignore_inhibited;
150 bool hibernate_key_ignore_inhibited;
151 bool lid_switch_ignore_inhibited;
155 char **suspend_state, **suspend_mode;
156 char **hibernate_state, **hibernate_mode;
157 char **hybrid_sleep_state, **hybrid_sleep_mode;
159 Hashmap *polkit_registry;
161 usec_t holdoff_timeout_usec;
162 sd_event_source *lid_switch_ignore_event_source;
164 size_t runtime_dir_size;
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 // UNNEEDED int manager_spawn_autovt(Manager *m, unsigned int vtnr);
181 bool manager_shall_kill(Manager *m, const char *user);
183 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
185 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
186 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
188 bool manager_is_docked_or_external_displays(Manager *m);
190 extern const sd_bus_vtable manager_vtable[];
192 // UNNEEDED int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
193 // UNNEEDED int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
194 // UNNEEDED int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
195 // UNNEEDED int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
196 // UNNEEDED int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
198 /// eloginds own version does the action itself
200 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
202 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, HandleAction action, InhibitWhat w, sd_bus_error *error);
205 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
207 // UNNEEDED 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);
208 // UNNEEDED int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
209 // UNNEEDED int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
210 // UNNEEDED int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
211 // UNNEEDED int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
212 // UNNEEDED int manager_unit_is_active(Manager *manager, const char *unit);
213 // UNNEEDED int manager_job_is_active(Manager *manager, const char *path);
215 /* gperf lookup function */
216 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
218 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
220 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);
222 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
223 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
224 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
226 int manager_setup_wall_message_timer(Manager *m);
227 bool logind_wall_tty_filter(const char *tty, void *userdata);
229 int manager_dispatch_delayed(Manager *manager, bool timeout);