1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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 <sys/timerfd.h>
30 #include "sd-daemon.h"
32 #include "conf-parser.h"
35 #include "bus-error.h"
37 #include "udev-util.h"
39 Manager *manager_new(void) {
47 m->console_active_fd = -1;
48 m->reserve_vt_fd = -1;
52 m->inhibit_delay_max = 5 * USEC_PER_SEC;
53 m->handle_power_key = HANDLE_POWEROFF;
54 m->handle_suspend_key = HANDLE_SUSPEND;
55 m->handle_hibernate_key = HANDLE_HIBERNATE;
56 m->handle_lid_switch = HANDLE_SUSPEND;
57 m->lid_switch_ignore_inhibited = true;
59 m->idle_action_usec = 30 * USEC_PER_MINUTE;
60 m->idle_action = HANDLE_IGNORE;
61 m->idle_action_not_before_usec = now(CLOCK_MONOTONIC);
63 m->devices = hashmap_new(string_hash_func, string_compare_func);
64 m->seats = hashmap_new(string_hash_func, string_compare_func);
65 m->sessions = hashmap_new(string_hash_func, string_compare_func);
66 m->users = hashmap_new(trivial_hash_func, trivial_compare_func);
67 m->inhibitors = hashmap_new(string_hash_func, string_compare_func);
68 m->buttons = hashmap_new(string_hash_func, string_compare_func);
70 m->user_units = hashmap_new(string_hash_func, string_compare_func);
71 m->session_units = hashmap_new(string_hash_func, string_compare_func);
73 m->busnames = set_new(string_hash_func, string_compare_func);
75 if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
76 !m->user_units || !m->session_units)
79 m->kill_exclude_users = strv_new("root", NULL);
80 if (!m->kill_exclude_users)
87 r = sd_event_default(&m->event);
91 sd_event_set_watchdog(m->event, true);
100 void manager_free(Manager *m) {
110 while ((session = hashmap_first(m->sessions)))
111 session_free(session);
113 while ((u = hashmap_first(m->users)))
116 while ((d = hashmap_first(m->devices)))
119 while ((s = hashmap_first(m->seats)))
122 while ((i = hashmap_first(m->inhibitors)))
125 while ((b = hashmap_first(m->buttons)))
128 hashmap_free(m->devices);
129 hashmap_free(m->seats);
130 hashmap_free(m->sessions);
131 hashmap_free(m->users);
132 hashmap_free(m->inhibitors);
133 hashmap_free(m->buttons);
135 hashmap_free(m->user_units);
136 hashmap_free(m->session_units);
138 set_free_free(m->busnames);
140 sd_event_source_unref(m->idle_action_event_source);
142 sd_event_source_unref(m->console_active_event_source);
143 sd_event_source_unref(m->udev_seat_event_source);
144 sd_event_source_unref(m->udev_device_event_source);
145 sd_event_source_unref(m->udev_vcsa_event_source);
146 sd_event_source_unref(m->udev_button_event_source);
148 if (m->console_active_fd >= 0)
149 close_nointr_nofail(m->console_active_fd);
151 if (m->udev_seat_monitor)
152 udev_monitor_unref(m->udev_seat_monitor);
153 if (m->udev_device_monitor)
154 udev_monitor_unref(m->udev_device_monitor);
155 if (m->udev_vcsa_monitor)
156 udev_monitor_unref(m->udev_vcsa_monitor);
157 if (m->udev_button_monitor)
158 udev_monitor_unref(m->udev_button_monitor);
163 bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry);
165 sd_bus_unref(m->bus);
166 sd_event_unref(m->event);
168 if (m->reserve_vt_fd >= 0)
169 close_nointr_nofail(m->reserve_vt_fd);
171 strv_free(m->kill_only_users);
172 strv_free(m->kill_exclude_users);
178 static int manager_enumerate_devices(Manager *m) {
179 struct udev_list_entry *item = NULL, *first = NULL;
180 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
185 /* Loads devices from udev and creates seats for them as
188 e = udev_enumerate_new(m->udev);
192 r = udev_enumerate_add_match_tag(e, "master-of-seat");
196 r = udev_enumerate_add_match_is_initialized(e);
200 r = udev_enumerate_scan_devices(e);
204 first = udev_enumerate_get_list_entry(e);
205 udev_list_entry_foreach(item, first) {
206 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
209 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
213 k = manager_process_seat_device(m, d);
221 static int manager_enumerate_buttons(Manager *m) {
222 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
223 struct udev_list_entry *item = NULL, *first = NULL;
228 /* Loads buttons from udev */
230 if (m->handle_power_key == HANDLE_IGNORE &&
231 m->handle_suspend_key == HANDLE_IGNORE &&
232 m->handle_hibernate_key == HANDLE_IGNORE &&
233 m->handle_lid_switch == HANDLE_IGNORE)
236 e = udev_enumerate_new(m->udev);
240 r = udev_enumerate_add_match_subsystem(e, "input");
244 r = udev_enumerate_add_match_tag(e, "power-switch");
248 r = udev_enumerate_add_match_is_initialized(e);
252 r = udev_enumerate_scan_devices(e);
256 first = udev_enumerate_get_list_entry(e);
257 udev_list_entry_foreach(item, first) {
258 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
261 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
265 k = manager_process_button_device(m, d);
273 static int manager_enumerate_seats(Manager *m) {
274 _cleanup_closedir_ DIR *d = NULL;
280 /* This loads data about seats stored on disk, but does not
281 * actually create any seats. Removes data of seats that no
284 d = opendir("/run/systemd/seats");
289 log_error("Failed to open /run/systemd/seats: %m");
293 FOREACH_DIRENT(de, d, return -errno) {
297 if (!dirent_is_file(de))
300 s = hashmap_get(m->seats, de->d_name);
302 unlinkat(dirfd(d), de->d_name, 0);
314 static int manager_enumerate_linger_users(Manager *m) {
315 _cleanup_closedir_ DIR *d = NULL;
321 d = opendir("/var/lib/systemd/linger");
326 log_error("Failed to open /var/lib/systemd/linger/: %m");
330 FOREACH_DIRENT(de, d, return -errno) {
333 if (!dirent_is_file(de))
336 k = manager_add_user_by_name(m, de->d_name, NULL);
338 log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k));
346 static int manager_enumerate_users(Manager *m) {
347 _cleanup_closedir_ DIR *d = NULL;
353 /* Add lingering users */
354 r = manager_enumerate_linger_users(m);
356 /* Read in user data stored on disk */
357 d = opendir("/run/systemd/users");
362 log_error("Failed to open /run/systemd/users: %m");
366 FOREACH_DIRENT(de, d, return -errno) {
369 if (!dirent_is_file(de))
372 k = manager_add_user_by_name(m, de->d_name, &u);
374 log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k));
380 user_add_to_gc_queue(u);
390 static int manager_enumerate_sessions(Manager *m) {
391 _cleanup_closedir_ DIR *d = NULL;
397 /* Read in session data stored on disk */
398 d = opendir("/run/systemd/sessions");
403 log_error("Failed to open /run/systemd/sessions: %m");
407 FOREACH_DIRENT(de, d, return -errno) {
411 if (!dirent_is_file(de))
414 if (!session_id_valid(de->d_name)) {
415 log_warning("Invalid session file name '%s', ignoring.", de->d_name);
420 k = manager_add_session(m, de->d_name, &s);
422 log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k));
428 session_add_to_gc_queue(s);
438 static int manager_enumerate_inhibitors(Manager *m) {
439 _cleanup_closedir_ DIR *d = NULL;
445 d = opendir("/run/systemd/inhibit");
450 log_error("Failed to open /run/systemd/inhibit: %m");
454 FOREACH_DIRENT(de, d, return -errno) {
458 if (!dirent_is_file(de))
461 k = manager_add_inhibitor(m, de->d_name, &i);
463 log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k));
468 k = inhibitor_load(i);
476 static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
477 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
478 Manager *m = userdata;
482 d = udev_monitor_receive_device(m->udev_seat_monitor);
486 manager_process_seat_device(m, d);
490 static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
491 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
492 Manager *m = userdata;
496 d = udev_monitor_receive_device(m->udev_device_monitor);
500 manager_process_seat_device(m, d);
504 static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
505 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
506 Manager *m = userdata;
511 d = udev_monitor_receive_device(m->udev_vcsa_monitor);
515 name = udev_device_get_sysname(d);
517 /* Whenever a VCSA device is removed try to reallocate our
518 * VTs, to make sure our auto VTs never go away. */
520 if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
521 seat_preallocate_vts(m->seat0);
526 static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
527 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
528 Manager *m = userdata;
532 d = udev_monitor_receive_device(m->udev_button_monitor);
536 manager_process_button_device(m, d);
540 static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
541 Manager *m = userdata;
545 assert(m->console_active_fd == fd);
547 seat_read_active_vt(m->seat0);
551 static int manager_reserve_vt(Manager *m) {
552 _cleanup_free_ char *p = NULL;
556 if (m->reserve_vt <= 0)
559 if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0)
562 m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
563 if (m->reserve_vt_fd < 0) {
565 /* Don't complain on VT-less systems */
567 log_warning("Failed to pin reserved VT: %m");
574 static int manager_connect_bus(Manager *m) {
575 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
581 r = sd_bus_default_system(&m->bus);
583 log_error("Failed to connect to system bus: %s", strerror(-r));
587 r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
589 log_error("Failed to add manager object vtable: %s", strerror(-r));
593 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
595 log_error("Failed to add seat object vtable: %s", strerror(-r));
599 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
601 log_error("Failed to add seat enumerator: %s", strerror(-r));
605 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
607 log_error("Failed to add session object vtable: %s", strerror(-r));
611 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m);
613 log_error("Failed to add session enumerator: %s", strerror(-r));
617 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
619 log_error("Failed to add user object vtable: %s", strerror(-r));
623 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m);
625 log_error("Failed to add user enumerator: %s", strerror(-r));
629 r = sd_bus_add_match(m->bus,
631 "sender='org.freedesktop.DBus',"
632 "interface='org.freedesktop.DBus',"
633 "member='NameOwnerChanged',"
634 "path='/org/freedesktop/DBus'",
635 match_name_owner_changed, m);
637 log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r));
641 r = sd_bus_add_match(m->bus,
643 "sender='org.freedesktop.systemd1',"
644 "interface='org.freedesktop.systemd1.Manager',"
645 "member='JobRemoved',"
646 "path='/org/freedesktop/systemd1'",
647 match_job_removed, m);
649 log_error("Failed to add match for JobRemoved: %s", strerror(-r));
653 r = sd_bus_add_match(m->bus,
655 "sender='org.freedesktop.systemd1',"
656 "interface='org.freedesktop.systemd1.Manager',"
657 "member='UnitRemoved',"
658 "path='/org/freedesktop/systemd1'",
659 match_unit_removed, m);
661 log_error("Failed to add match for UnitRemoved: %s", strerror(-r));
665 r = sd_bus_add_match(m->bus,
667 "sender='org.freedesktop.systemd1',"
668 "interface='org.freedesktop.DBus.Properties',"
669 "member='PropertiesChanged'",
670 match_properties_changed, m);
672 log_error("Failed to add match for PropertiesChanged: %s", strerror(-r));
676 r = sd_bus_add_match(m->bus,
678 "sender='org.freedesktop.systemd1',"
679 "interface='org.freedesktop.systemd1.Manager',"
680 "member='Reloading',"
681 "path='/org/freedesktop/systemd1'",
684 log_error("Failed to add match for Reloading: %s", strerror(-r));
688 r = sd_bus_call_method(
690 "org.freedesktop.systemd1",
691 "/org/freedesktop/systemd1",
692 "org.freedesktop.systemd1.Manager",
697 log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
701 r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
703 log_error("Failed to register name: %s", strerror(-r));
707 r = sd_bus_attach_event(m->bus, m->event, 0);
709 log_error("Failed to attach bus to event loop: %s", strerror(-r));
716 static int manager_connect_console(Manager *m) {
720 assert(m->console_active_fd < 0);
722 /* On certain architectures (S390 and Xen, and containers),
723 /dev/tty0 does not exist, so don't fail if we can't open
725 if (access("/dev/tty0", F_OK) < 0)
728 m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
729 if (m->console_active_fd < 0) {
731 /* On some systems the device node /dev/tty0 may exist
732 * even though /sys/class/tty/tty0 does not. */
736 log_error("Failed to open /sys/class/tty/tty0/active: %m");
740 r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
742 log_error("Failed to watch foreground console");
749 static int manager_connect_udev(Manager *m) {
753 assert(!m->udev_seat_monitor);
754 assert(!m->udev_device_monitor);
755 assert(!m->udev_vcsa_monitor);
756 assert(!m->udev_button_monitor);
758 m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
759 if (!m->udev_seat_monitor)
762 r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat");
766 r = udev_monitor_enable_receiving(m->udev_seat_monitor);
770 r = sd_event_add_io(m->event, &m->udev_seat_event_source, udev_monitor_get_fd(m->udev_seat_monitor), EPOLLIN, manager_dispatch_seat_udev, m);
774 m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
775 if (!m->udev_device_monitor)
778 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL);
782 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL);
786 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL);
790 r = udev_monitor_enable_receiving(m->udev_device_monitor);
794 r = sd_event_add_io(m->event, &m->udev_device_event_source, udev_monitor_get_fd(m->udev_device_monitor), EPOLLIN, manager_dispatch_device_udev, m);
798 /* Don't watch keys if nobody cares */
799 if (m->handle_power_key != HANDLE_IGNORE ||
800 m->handle_suspend_key != HANDLE_IGNORE ||
801 m->handle_hibernate_key != HANDLE_IGNORE ||
802 m->handle_lid_switch != HANDLE_IGNORE) {
804 m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
805 if (!m->udev_button_monitor)
808 r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
812 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
816 r = udev_monitor_enable_receiving(m->udev_button_monitor);
820 r = sd_event_add_io(m->event, &m->udev_button_event_source, udev_monitor_get_fd(m->udev_button_monitor), EPOLLIN, manager_dispatch_button_udev, m);
825 /* Don't bother watching VCSA devices, if nobody cares */
826 if (m->n_autovts > 0 && m->console_active_fd >= 0) {
828 m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
829 if (!m->udev_vcsa_monitor)
832 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL);
836 r = udev_monitor_enable_receiving(m->udev_vcsa_monitor);
840 r = sd_event_add_io(m->event, &m->udev_vcsa_event_source, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m);
848 void manager_gc(Manager *m, bool drop_not_started) {
855 while ((seat = m->seat_gc_queue)) {
856 LIST_REMOVE(gc_queue, m->seat_gc_queue, seat);
857 seat->in_gc_queue = false;
859 if (!seat_check_gc(seat, drop_not_started)) {
860 seat_stop(seat, false);
865 while ((session = m->session_gc_queue)) {
866 LIST_REMOVE(gc_queue, m->session_gc_queue, session);
867 session->in_gc_queue = false;
869 /* First, if we are not closing yet, initiate stopping */
870 if (!session_check_gc(session, drop_not_started) &&
871 session_get_state(session) != SESSION_CLOSING)
872 session_stop(session, false);
874 /* Normally, this should make the session busy again,
875 * if it doesn't then let's get rid of it
877 if (!session_check_gc(session, drop_not_started)) {
878 session_finalize(session);
879 session_free(session);
883 while ((user = m->user_gc_queue)) {
884 LIST_REMOVE(gc_queue, m->user_gc_queue, user);
885 user->in_gc_queue = false;
887 /* First step: queue stop jobs */
888 if (!user_check_gc(user, drop_not_started))
889 user_stop(user, false);
891 /* Second step: finalize user */
892 if (!user_check_gc(user, drop_not_started)) {
899 static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) {
900 Manager *m = userdata;
901 struct dual_timestamp since;
907 if (m->idle_action == HANDLE_IGNORE ||
908 m->idle_action_usec <= 0)
911 n = now(CLOCK_MONOTONIC);
913 r = manager_get_idle_hint(m, &since);
915 /* Not idle. Let's check if after a timeout it might be idle then. */
916 elapse = n + m->idle_action_usec;
918 /* Idle! Let's see if it's time to do something, or if
919 * we shall sleep for longer. */
921 if (n >= since.monotonic + m->idle_action_usec &&
922 (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) {
923 log_info("System idle. Taking action.");
925 manager_handle_action(m, 0, m->idle_action, false, false);
926 m->idle_action_not_before_usec = n;
929 elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec;
932 if (!m->idle_action_event_source) {
934 r = sd_event_add_monotonic(m->event, &m->idle_action_event_source, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m);
936 log_error("Failed to add idle event source: %s", strerror(-r));
940 r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
942 log_error("Failed to set idle event source priority: %s", strerror(-r));
946 r = sd_event_source_set_time(m->idle_action_event_source, elapse);
948 log_error("Failed to set idle event timer: %s", strerror(-r));
952 r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
954 log_error("Failed to enable idle event timer: %s", strerror(-r));
962 int manager_startup(Manager *m) {
968 Inhibitor *inhibitor;
973 /* Connect to console */
974 r = manager_connect_console(m);
978 /* Connect to udev */
979 r = manager_connect_udev(m);
981 log_error("Failed to create udev watchers: %s", strerror(-r));
985 /* Connect to the bus */
986 r = manager_connect_bus(m);
990 /* Instantiate magic seat 0 */
991 r = manager_add_seat(m, "seat0", &m->seat0);
993 log_error("Failed to add seat0: %s", strerror(-r));
997 /* Deserialize state */
998 r = manager_enumerate_devices(m);
1000 log_warning("Device enumeration failed: %s", strerror(-r));
1002 r = manager_enumerate_seats(m);
1004 log_warning("Seat enumeration failed: %s", strerror(-r));
1006 r = manager_enumerate_users(m);
1008 log_warning("User enumeration failed: %s", strerror(-r));
1010 r = manager_enumerate_sessions(m);
1012 log_warning("Session enumeration failed: %s", strerror(-r));
1014 r = manager_enumerate_inhibitors(m);
1016 log_warning("Inhibitor enumeration failed: %s", strerror(-r));
1018 r = manager_enumerate_buttons(m);
1020 log_warning("Button enumeration failed: %s", strerror(-r));
1022 /* Remove stale objects before we start them */
1023 manager_gc(m, false);
1025 /* Reserve the special reserved VT */
1026 manager_reserve_vt(m);
1028 /* And start everything */
1029 HASHMAP_FOREACH(seat, m->seats, i)
1032 HASHMAP_FOREACH(user, m->users, i)
1035 HASHMAP_FOREACH(session, m->sessions, i)
1036 session_start(session);
1038 HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
1039 inhibitor_start(inhibitor);
1041 HASHMAP_FOREACH(button, m->buttons, i)
1042 button_check_lid(button);
1044 manager_dispatch_idle_action(NULL, 0, m);
1049 int manager_run(Manager *m) {
1055 usec_t us = (uint64_t) -1;
1057 r = sd_event_get_state(m->event);
1060 if (r == SD_EVENT_FINISHED)
1063 manager_gc(m, true);
1065 if (manager_dispatch_delayed(m) > 0)
1068 if (m->action_what != 0 && !m->action_job) {
1071 x = now(CLOCK_MONOTONIC);
1072 y = m->action_timestamp + m->inhibit_delay_max;
1074 us = x >= y ? 0 : y - x;
1077 r = sd_event_run(m->event, us);
1085 static int manager_parse_config_file(Manager *m) {
1086 static const char fn[] = "/etc/systemd/logind.conf";
1087 _cleanup_fclose_ FILE *f = NULL;
1092 f = fopen(fn, "re");
1094 if (errno == ENOENT)
1097 log_warning("Failed to open configuration file %s: %m", fn);
1101 r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup,
1102 (void*) logind_gperf_lookup, false, false, m);
1104 log_warning("Failed to parse configuration file: %s", strerror(-r));
1109 int main(int argc, char *argv[]) {
1113 log_set_target(LOG_TARGET_AUTO);
1114 log_set_facility(LOG_AUTH);
1115 log_parse_environment();
1121 log_error("This program takes no arguments.");
1126 /* Always create the directories people can create inotify
1127 * watches in. Note that some applications might check for the
1128 * existence of /run/systemd/seats/ to determine whether
1129 * logind is available, so please always make sure this check
1131 mkdir_label("/run/systemd/seats", 0755);
1132 mkdir_label("/run/systemd/users", 0755);
1133 mkdir_label("/run/systemd/sessions", 0755);
1141 manager_parse_config_file(m);
1143 r = manager_startup(m);
1145 log_error("Failed to fully start up daemon: %s", strerror(-r));
1149 log_debug("systemd-logind running as pid %lu", (unsigned long) getpid());
1153 "STATUS=Processing requests...");
1157 log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid());
1161 "STATUS=Shutting down...");
1166 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;