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;
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 a shutdown/suspend was delayed due to a inhibitor this
104 contains the unit name we are supposed to start after the
106 const char *action_unit;
108 /* If a shutdown/suspend is currently executed, then this is
111 sd_event_source *inhibit_timeout_source;
113 char *scheduled_shutdown_type;
114 usec_t scheduled_shutdown_timeout;
115 sd_event_source *scheduled_shutdown_timeout_source;
116 uid_t scheduled_shutdown_uid;
117 char *scheduled_shutdown_tty;
118 sd_event_source *nologin_timeout_source;
122 unsigned enable_wall_messages;
123 sd_event_source *wall_message_timeout_source;
125 sd_event_source *idle_action_event_source;
126 usec_t idle_action_usec;
127 usec_t idle_action_not_before_usec;
128 HandleAction idle_action;
130 HandleAction handle_power_key;
131 HandleAction handle_suspend_key;
132 HandleAction handle_hibernate_key;
133 HandleAction handle_lid_switch;
134 HandleAction handle_lid_switch_docked;
136 bool power_key_ignore_inhibited;
137 bool suspend_key_ignore_inhibited;
138 bool hibernate_key_ignore_inhibited;
139 bool lid_switch_ignore_inhibited;
143 Hashmap *polkit_registry;
145 usec_t holdoff_timeout_usec;
146 sd_event_source *lid_switch_ignore_event_source;
148 size_t runtime_dir_size;
151 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
152 int manager_add_button(Manager *m, const char *name, Button **_button);
153 int manager_add_seat(Manager *m, const char *id, Seat **_seat);
154 int manager_add_session(Manager *m, const char *id, Session **_session);
155 int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
156 int manager_add_user_by_name(Manager *m, const char *name, User **_user);
157 int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
158 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
160 int manager_process_seat_device(Manager *m, struct udev_device *d);
161 int manager_process_button_device(Manager *m, struct udev_device *d);
163 int manager_spawn_autovt(Manager *m, unsigned int vtnr);
165 bool manager_shall_kill(Manager *m, const char *user);
167 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
169 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
170 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
172 bool manager_is_docked(Manager *m);
173 int manager_count_displays(Manager *m);
174 bool manager_is_docked_or_multiple_displays(Manager *m);
176 extern const sd_bus_vtable manager_vtable[];
178 int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
179 int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
180 int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
181 int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
182 int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
184 int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);
186 int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;
188 // 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);
189 // UNNEEDED int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
190 // UNNEEDED int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
191 // UNNEEDED int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
192 // UNNEEDED int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
193 // UNNEEDED int manager_unit_is_active(Manager *manager, const char *unit);
194 // UNNEEDED int manager_job_is_active(Manager *manager, const char *path);
196 /* gperf lookup function */
197 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
199 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
201 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);
203 int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
204 int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
205 int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);
207 int manager_setup_wall_message_timer(Manager *m);
208 bool logind_wall_tty_filter(const char *tty, void *userdata);