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"
33 #include "path-lookup.h"
36 typedef struct Manager Manager;
38 #include "logind-action.h"
39 #include "logind-button.h"
40 #include "logind-device.h"
41 #include "logind-inhibit.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 #if 0 /// elogind does not support autospawning of vts
90 char **kill_only_users, **kill_exclude_users;
91 bool kill_user_processes;
93 unsigned long session_counter;
94 unsigned long inhibit_counter;
96 Hashmap *session_units;
99 usec_t inhibit_delay_max;
101 /* If an action is currently being executed or is delayed,
102 * this is != 0 and encodes what is being done */
103 InhibitWhat action_what;
105 #if 0 /// elogind does all relevant actions on its own. No systemd jobs and units.
106 /* If a shutdown/suspend was delayed due to a inhibitor this
107 contains the unit name we are supposed to start after the
109 const char *action_unit;
111 /* If a shutdown/suspend is currently executed, then this is
115 /* If a shutdown/suspend was delayed due to a inhibitor this
116 contains the action we are supposed to perform after the
118 HandleAction pending_action;
121 sd_event_source *inhibit_timeout_source;
123 char *scheduled_shutdown_type;
124 usec_t scheduled_shutdown_timeout;
125 sd_event_source *scheduled_shutdown_timeout_source;
126 uid_t scheduled_shutdown_uid;
127 char *scheduled_shutdown_tty;
128 sd_event_source *nologin_timeout_source;
132 unsigned enable_wall_messages;
133 sd_event_source *wall_message_timeout_source;
135 bool shutdown_dry_run;
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;
165 uint64_t user_tasks_max;
168 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
169 int manager_add_button(Manager *m, const char *name, Button **_button);
170 int manager_add_seat(Manager *m, const char *id, Seat **_seat);
171 int manager_add_session(Manager *m, const char *id, Session **_session);
172 int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
173 int manager_add_user_by_name(Manager *m, const char *name, User **_user);
174 int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
175 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
177 int manager_process_seat_device(Manager *m, struct udev_device *d);
178 int manager_process_button_device(Manager *m, struct udev_device *d);
180 #if 0 /// UNNEEDED by elogind
181 int manager_spawn_autovt(Manager *m, unsigned int vtnr);
184 bool manager_shall_kill(Manager *m, const char *user);
186 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
188 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
189 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
191 bool manager_is_docked_or_external_displays(Manager *m);
193 extern const sd_bus_vtable manager_vtable[];
195 #if 0 /// UNNEEDED by elogind
196 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
197 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
198 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
199 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
200 int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
202 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
204 /// eloginds own version does the action itself
205 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, HandleAction action, InhibitWhat w, sd_bus_error *error);
208 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
210 #if 0 /// UNNEEDED by elogind
211 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);
212 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);
213 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
214 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
215 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
216 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
217 int manager_unit_is_active(Manager *manager, const char *unit);
218 int manager_job_is_active(Manager *manager, const char *path);
221 /* gperf lookup function */
222 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
224 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
226 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);
228 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
229 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
230 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
232 #if 0 /// UNNEEDED by elogind
233 int manager_setup_wall_message_timer(Manager *m);
234 bool logind_wall_tty_filter(const char *tty, void *userdata);
237 int manager_dispatch_delayed(Manager *manager, bool timeout);