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/>.
24 #if 0 /// elogind needs the systems udev header
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"
43 /// Additional includes needed by elogind
44 #include "cgroup-util.h"
46 #if 1 /// elogind has to ident itself
47 #define MANAGER_IS_SYSTEM(m) ((m)->is_system)
48 #define MANAGER_IS_USER(m) (!((m)->is_system))
62 LIST_HEAD(Seat, seat_gc_queue);
63 LIST_HEAD(Session, session_gc_queue);
64 LIST_HEAD(User, user_gc_queue);
67 struct udev_monitor *udev_seat_monitor, *udev_device_monitor, *udev_vcsa_monitor, *udev_button_monitor;
69 sd_event_source *console_active_event_source;
70 sd_event_source *udev_seat_event_source;
71 sd_event_source *udev_device_event_source;
72 sd_event_source *udev_vcsa_event_source;
73 sd_event_source *udev_button_event_source;
75 #if 0 /// elogind does not support autospawning of vts
76 int console_active_fd;
83 /* Make sure the user cannot accidentally unmount our cgroup
87 /* fd for handling cgroup socket if elogind is its own cgroups manager */
89 sd_event_source *cgroups_agent_event_source;
93 bool is_system:1; /* true if elogind is its own cgroups manager */
95 /* Data specific to the cgroup subsystem */
96 CGroupMask cgroup_supported;
99 int console_active_fd;
104 char **kill_only_users, **kill_exclude_users;
105 bool kill_user_processes;
107 unsigned long session_counter;
108 unsigned long inhibit_counter;
110 Hashmap *session_units;
113 usec_t inhibit_delay_max;
115 /* If an action is currently being executed or is delayed,
116 * this is != 0 and encodes what is being done */
117 InhibitWhat action_what;
119 #if 0 /// elogind does all relevant actions on its own. No systemd jobs and units.
120 /* If a shutdown/suspend was delayed due to a inhibitor this
121 contains the unit name we are supposed to start after the
123 const char *action_unit;
125 /* If a shutdown/suspend is currently executed, then this is
129 /* If a shutdown/suspend was delayed due to a inhibitor this
130 contains the action we are supposed to perform after the
132 HandleAction pending_action;
134 char **suspend_state, **suspend_mode;
135 char **hibernate_state, **hibernate_mode;
136 char **hybrid_sleep_state, **hybrid_sleep_mode;
139 sd_event_source *inhibit_timeout_source;
141 char *scheduled_shutdown_type;
142 usec_t scheduled_shutdown_timeout;
143 sd_event_source *scheduled_shutdown_timeout_source;
144 uid_t scheduled_shutdown_uid;
145 char *scheduled_shutdown_tty;
146 sd_event_source *nologin_timeout_source;
150 unsigned enable_wall_messages;
151 sd_event_source *wall_message_timeout_source;
153 bool shutdown_dry_run;
155 sd_event_source *idle_action_event_source;
156 usec_t idle_action_usec;
157 usec_t idle_action_not_before_usec;
158 HandleAction idle_action;
160 HandleAction handle_power_key;
161 HandleAction handle_suspend_key;
162 HandleAction handle_hibernate_key;
163 HandleAction handle_lid_switch;
164 HandleAction handle_lid_switch_docked;
166 bool power_key_ignore_inhibited;
167 bool suspend_key_ignore_inhibited;
168 bool hibernate_key_ignore_inhibited;
169 bool lid_switch_ignore_inhibited;
173 Hashmap *polkit_registry;
175 usec_t holdoff_timeout_usec;
176 sd_event_source *lid_switch_ignore_event_source;
178 size_t runtime_dir_size;
179 uint64_t user_tasks_max;
180 uint64_t sessions_max;
181 uint64_t inhibitors_max;
184 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
185 int manager_add_button(Manager *m, const char *name, Button **_button);
186 int manager_add_seat(Manager *m, const char *id, Seat **_seat);
187 int manager_add_session(Manager *m, const char *id, Session **_session);
188 int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
189 int manager_add_user_by_name(Manager *m, const char *name, User **_user);
190 int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
191 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
193 int manager_process_seat_device(Manager *m, struct udev_device *d);
194 int manager_process_button_device(Manager *m, struct udev_device *d);
196 #if 0 /// UNNEEDED by elogind
197 int manager_spawn_autovt(Manager *m, unsigned int vtnr);
200 bool manager_shall_kill(Manager *m, const char *user);
202 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
204 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
205 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
207 bool manager_is_docked_or_external_displays(Manager *m);
209 extern const sd_bus_vtable manager_vtable[];
211 #if 0 /// UNNEEDED by elogind
212 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
213 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
214 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
215 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
216 int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
218 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
220 /// eloginds own version does the action itself
221 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, HandleAction action, InhibitWhat w, sd_bus_error *error);
224 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
226 #if 0 /// UNNEEDED by elogind
227 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);
228 int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, const char *after, const char *after2, uint64_t tasks_max, sd_bus_error *error, char **job);
229 int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
230 int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
231 int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
232 int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
233 int manager_unit_is_active(Manager *manager, const char *unit);
234 int manager_job_is_active(Manager *manager, const char *path);
237 /* gperf lookup function */
238 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
240 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
242 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);
243 int config_parse_user_tasks_max(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);
245 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
246 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
247 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
249 int manager_setup_wall_message_timer(Manager *m);
250 bool logind_wall_tty_filter(const char *tty, void *userdata);
252 int manager_dispatch_delayed(Manager *manager, bool timeout);