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;
53 m->inhibit_delay_max = 5 * USEC_PER_SEC;
54 m->handle_power_key = HANDLE_POWEROFF;
55 m->handle_suspend_key = HANDLE_SUSPEND;
56 m->handle_hibernate_key = HANDLE_HIBERNATE;
57 m->handle_lid_switch = HANDLE_SUSPEND;
58 m->lid_switch_ignore_inhibited = true;
60 m->idle_action_usec = 30 * USEC_PER_MINUTE;
61 m->idle_action = HANDLE_IGNORE;
62 m->idle_action_not_before_usec = now(CLOCK_MONOTONIC);
64 m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */
66 m->devices = hashmap_new(string_hash_func, string_compare_func);
67 m->seats = hashmap_new(string_hash_func, string_compare_func);
68 m->sessions = hashmap_new(string_hash_func, string_compare_func);
69 m->users = hashmap_new(trivial_hash_func, trivial_compare_func);
70 m->inhibitors = hashmap_new(string_hash_func, string_compare_func);
71 m->buttons = hashmap_new(string_hash_func, string_compare_func);
73 m->user_units = hashmap_new(string_hash_func, string_compare_func);
74 m->session_units = hashmap_new(string_hash_func, string_compare_func);
76 m->busnames = set_new(string_hash_func, string_compare_func);
78 if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
79 !m->user_units || !m->session_units)
82 m->kill_exclude_users = strv_new("root", NULL);
83 if (!m->kill_exclude_users)
90 r = sd_event_default(&m->event);
94 sd_event_set_watchdog(m->event, true);
103 void manager_free(Manager *m) {
113 while ((session = hashmap_first(m->sessions)))
114 session_free(session);
116 while ((u = hashmap_first(m->users)))
119 while ((d = hashmap_first(m->devices)))
122 while ((s = hashmap_first(m->seats)))
125 while ((i = hashmap_first(m->inhibitors)))
128 while ((b = hashmap_first(m->buttons)))
131 hashmap_free(m->devices);
132 hashmap_free(m->seats);
133 hashmap_free(m->sessions);
134 hashmap_free(m->users);
135 hashmap_free(m->inhibitors);
136 hashmap_free(m->buttons);
138 hashmap_free(m->user_units);
139 hashmap_free(m->session_units);
141 set_free_free(m->busnames);
143 sd_event_source_unref(m->idle_action_event_source);
145 sd_event_source_unref(m->console_active_event_source);
146 sd_event_source_unref(m->udev_seat_event_source);
147 sd_event_source_unref(m->udev_device_event_source);
148 sd_event_source_unref(m->udev_vcsa_event_source);
149 sd_event_source_unref(m->udev_button_event_source);
150 sd_event_source_unref(m->lid_switch_ignore_event_source);
152 safe_close(m->console_active_fd);
154 if (m->udev_seat_monitor)
155 udev_monitor_unref(m->udev_seat_monitor);
156 if (m->udev_device_monitor)
157 udev_monitor_unref(m->udev_device_monitor);
158 if (m->udev_vcsa_monitor)
159 udev_monitor_unref(m->udev_vcsa_monitor);
160 if (m->udev_button_monitor)
161 udev_monitor_unref(m->udev_button_monitor);
166 bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry);
168 sd_bus_unref(m->bus);
169 sd_event_unref(m->event);
171 safe_close(m->reserve_vt_fd);
173 strv_free(m->kill_only_users);
174 strv_free(m->kill_exclude_users);
180 static int manager_enumerate_devices(Manager *m) {
181 struct udev_list_entry *item = NULL, *first = NULL;
182 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
187 /* Loads devices from udev and creates seats for them as
190 e = udev_enumerate_new(m->udev);
194 r = udev_enumerate_add_match_tag(e, "master-of-seat");
198 r = udev_enumerate_add_match_is_initialized(e);
202 r = udev_enumerate_scan_devices(e);
206 first = udev_enumerate_get_list_entry(e);
207 udev_list_entry_foreach(item, first) {
208 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
211 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
215 k = manager_process_seat_device(m, d);
223 static int manager_enumerate_buttons(Manager *m) {
224 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
225 struct udev_list_entry *item = NULL, *first = NULL;
230 /* Loads buttons from udev */
232 if (m->handle_power_key == HANDLE_IGNORE &&
233 m->handle_suspend_key == HANDLE_IGNORE &&
234 m->handle_hibernate_key == HANDLE_IGNORE &&
235 m->handle_lid_switch == HANDLE_IGNORE)
238 e = udev_enumerate_new(m->udev);
242 r = udev_enumerate_add_match_subsystem(e, "input");
246 r = udev_enumerate_add_match_tag(e, "power-switch");
250 r = udev_enumerate_add_match_is_initialized(e);
254 r = udev_enumerate_scan_devices(e);
258 first = udev_enumerate_get_list_entry(e);
259 udev_list_entry_foreach(item, first) {
260 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
263 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
267 k = manager_process_button_device(m, d);
275 static int manager_enumerate_seats(Manager *m) {
276 _cleanup_closedir_ DIR *d = NULL;
282 /* This loads data about seats stored on disk, but does not
283 * actually create any seats. Removes data of seats that no
286 d = opendir("/run/systemd/seats");
291 log_error("Failed to open /run/systemd/seats: %m");
295 FOREACH_DIRENT(de, d, return -errno) {
299 if (!dirent_is_file(de))
302 s = hashmap_get(m->seats, de->d_name);
304 unlinkat(dirfd(d), de->d_name, 0);
316 static int manager_enumerate_linger_users(Manager *m) {
317 _cleanup_closedir_ DIR *d = NULL;
323 d = opendir("/var/lib/systemd/linger");
328 log_error("Failed to open /var/lib/systemd/linger/: %m");
332 FOREACH_DIRENT(de, d, return -errno) {
335 if (!dirent_is_file(de))
338 k = manager_add_user_by_name(m, de->d_name, NULL);
340 log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k));
348 static int manager_enumerate_users(Manager *m) {
349 _cleanup_closedir_ DIR *d = NULL;
355 /* Add lingering users */
356 r = manager_enumerate_linger_users(m);
358 /* Read in user data stored on disk */
359 d = opendir("/run/systemd/users");
364 log_error("Failed to open /run/systemd/users: %m");
368 FOREACH_DIRENT(de, d, return -errno) {
371 if (!dirent_is_file(de))
374 k = manager_add_user_by_name(m, de->d_name, &u);
376 log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k));
382 user_add_to_gc_queue(u);
392 static int manager_enumerate_sessions(Manager *m) {
393 _cleanup_closedir_ DIR *d = NULL;
399 /* Read in session data stored on disk */
400 d = opendir("/run/systemd/sessions");
405 log_error("Failed to open /run/systemd/sessions: %m");
409 FOREACH_DIRENT(de, d, return -errno) {
413 if (!dirent_is_file(de))
416 if (!session_id_valid(de->d_name)) {
417 log_warning("Invalid session file name '%s', ignoring.", de->d_name);
422 k = manager_add_session(m, de->d_name, &s);
424 log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k));
430 session_add_to_gc_queue(s);
440 static int manager_enumerate_inhibitors(Manager *m) {
441 _cleanup_closedir_ DIR *d = NULL;
447 d = opendir("/run/systemd/inhibit");
452 log_error("Failed to open /run/systemd/inhibit: %m");
456 FOREACH_DIRENT(de, d, return -errno) {
460 if (!dirent_is_file(de))
463 k = manager_add_inhibitor(m, de->d_name, &i);
465 log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k));
470 k = inhibitor_load(i);
478 static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
479 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
480 Manager *m = userdata;
484 d = udev_monitor_receive_device(m->udev_seat_monitor);
488 manager_process_seat_device(m, d);
492 static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
493 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
494 Manager *m = userdata;
498 d = udev_monitor_receive_device(m->udev_device_monitor);
502 manager_process_seat_device(m, d);
506 static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
507 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
508 Manager *m = userdata;
513 d = udev_monitor_receive_device(m->udev_vcsa_monitor);
517 name = udev_device_get_sysname(d);
519 /* Whenever a VCSA device is removed try to reallocate our
520 * VTs, to make sure our auto VTs never go away. */
522 if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
523 seat_preallocate_vts(m->seat0);
528 static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
529 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
530 Manager *m = userdata;
534 d = udev_monitor_receive_device(m->udev_button_monitor);
538 manager_process_button_device(m, d);
542 static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
543 Manager *m = userdata;
547 assert(m->console_active_fd == fd);
549 seat_read_active_vt(m->seat0);
553 static int manager_reserve_vt(Manager *m) {
554 _cleanup_free_ char *p = NULL;
558 if (m->reserve_vt <= 0)
561 if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0)
564 m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
565 if (m->reserve_vt_fd < 0) {
567 /* Don't complain on VT-less systems */
569 log_warning("Failed to pin reserved VT: %m");
576 static int manager_connect_bus(Manager *m) {
577 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
583 r = sd_bus_default_system(&m->bus);
585 log_error("Failed to connect to system bus: %s", strerror(-r));
589 r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
591 log_error("Failed to add manager object vtable: %s", strerror(-r));
595 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
597 log_error("Failed to add seat object vtable: %s", strerror(-r));
601 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
603 log_error("Failed to add seat enumerator: %s", strerror(-r));
607 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
609 log_error("Failed to add session object vtable: %s", strerror(-r));
613 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m);
615 log_error("Failed to add session enumerator: %s", strerror(-r));
619 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
621 log_error("Failed to add user object vtable: %s", strerror(-r));
625 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m);
627 log_error("Failed to add user enumerator: %s", strerror(-r));
631 r = sd_bus_add_match(m->bus,
633 "sender='org.freedesktop.DBus',"
634 "interface='org.freedesktop.DBus',"
635 "member='NameOwnerChanged',"
636 "path='/org/freedesktop/DBus'",
637 match_name_owner_changed, m);
639 log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r));
643 r = sd_bus_add_match(m->bus,
645 "sender='org.freedesktop.systemd1',"
646 "interface='org.freedesktop.systemd1.Manager',"
647 "member='JobRemoved',"
648 "path='/org/freedesktop/systemd1'",
649 match_job_removed, m);
651 log_error("Failed to add match for JobRemoved: %s", strerror(-r));
655 r = sd_bus_add_match(m->bus,
657 "sender='org.freedesktop.systemd1',"
658 "interface='org.freedesktop.systemd1.Manager',"
659 "member='UnitRemoved',"
660 "path='/org/freedesktop/systemd1'",
661 match_unit_removed, m);
663 log_error("Failed to add match for UnitRemoved: %s", strerror(-r));
667 r = sd_bus_add_match(m->bus,
669 "sender='org.freedesktop.systemd1',"
670 "interface='org.freedesktop.DBus.Properties',"
671 "member='PropertiesChanged'",
672 match_properties_changed, m);
674 log_error("Failed to add match for PropertiesChanged: %s", strerror(-r));
678 r = sd_bus_add_match(m->bus,
680 "sender='org.freedesktop.systemd1',"
681 "interface='org.freedesktop.systemd1.Manager',"
682 "member='Reloading',"
683 "path='/org/freedesktop/systemd1'",
686 log_error("Failed to add match for Reloading: %s", strerror(-r));
690 r = sd_bus_call_method(
692 "org.freedesktop.systemd1",
693 "/org/freedesktop/systemd1",
694 "org.freedesktop.systemd1.Manager",
699 log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
703 r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
705 log_error("Failed to register name: %s", strerror(-r));
709 r = sd_bus_attach_event(m->bus, m->event, 0);
711 log_error("Failed to attach bus to event loop: %s", strerror(-r));
718 static int manager_connect_console(Manager *m) {
722 assert(m->console_active_fd < 0);
724 /* On certain architectures (S390 and Xen, and containers),
725 /dev/tty0 does not exist, so don't fail if we can't open
727 if (access("/dev/tty0", F_OK) < 0)
730 m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
731 if (m->console_active_fd < 0) {
733 /* On some systems the device node /dev/tty0 may exist
734 * even though /sys/class/tty/tty0 does not. */
738 log_error("Failed to open /sys/class/tty/tty0/active: %m");
742 r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
744 log_error("Failed to watch foreground console");
751 static int manager_connect_udev(Manager *m) {
755 assert(!m->udev_seat_monitor);
756 assert(!m->udev_device_monitor);
757 assert(!m->udev_vcsa_monitor);
758 assert(!m->udev_button_monitor);
760 m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
761 if (!m->udev_seat_monitor)
764 r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat");
768 r = udev_monitor_enable_receiving(m->udev_seat_monitor);
772 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);
776 m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
777 if (!m->udev_device_monitor)
780 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL);
784 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL);
788 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL);
792 r = udev_monitor_enable_receiving(m->udev_device_monitor);
796 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);
800 /* Don't watch keys if nobody cares */
801 if (m->handle_power_key != HANDLE_IGNORE ||
802 m->handle_suspend_key != HANDLE_IGNORE ||
803 m->handle_hibernate_key != HANDLE_IGNORE ||
804 m->handle_lid_switch != HANDLE_IGNORE) {
806 m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
807 if (!m->udev_button_monitor)
810 r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
814 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
818 r = udev_monitor_enable_receiving(m->udev_button_monitor);
822 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);
827 /* Don't bother watching VCSA devices, if nobody cares */
828 if (m->n_autovts > 0 && m->console_active_fd >= 0) {
830 m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
831 if (!m->udev_vcsa_monitor)
834 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL);
838 r = udev_monitor_enable_receiving(m->udev_vcsa_monitor);
842 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);
850 void manager_gc(Manager *m, bool drop_not_started) {
857 while ((seat = m->seat_gc_queue)) {
858 LIST_REMOVE(gc_queue, m->seat_gc_queue, seat);
859 seat->in_gc_queue = false;
861 if (!seat_check_gc(seat, drop_not_started)) {
862 seat_stop(seat, false);
867 while ((session = m->session_gc_queue)) {
868 LIST_REMOVE(gc_queue, m->session_gc_queue, session);
869 session->in_gc_queue = false;
871 /* First, if we are not closing yet, initiate stopping */
872 if (!session_check_gc(session, drop_not_started) &&
873 session_get_state(session) != SESSION_CLOSING)
874 session_stop(session, false);
876 /* Normally, this should make the session busy again,
877 * if it doesn't then let's get rid of it
879 if (!session_check_gc(session, drop_not_started)) {
880 session_finalize(session);
881 session_free(session);
885 while ((user = m->user_gc_queue)) {
886 LIST_REMOVE(gc_queue, m->user_gc_queue, user);
887 user->in_gc_queue = false;
889 /* First step: queue stop jobs */
890 if (!user_check_gc(user, drop_not_started))
891 user_stop(user, false);
893 /* Second step: finalize user */
894 if (!user_check_gc(user, drop_not_started)) {
901 static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) {
902 Manager *m = userdata;
903 struct dual_timestamp since;
909 if (m->idle_action == HANDLE_IGNORE ||
910 m->idle_action_usec <= 0)
913 n = now(CLOCK_MONOTONIC);
915 r = manager_get_idle_hint(m, &since);
917 /* Not idle. Let's check if after a timeout it might be idle then. */
918 elapse = n + m->idle_action_usec;
920 /* Idle! Let's see if it's time to do something, or if
921 * we shall sleep for longer. */
923 if (n >= since.monotonic + m->idle_action_usec &&
924 (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) {
925 log_info("System idle. Taking action.");
927 manager_handle_action(m, 0, m->idle_action, false, false);
928 m->idle_action_not_before_usec = n;
931 elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec;
934 if (!m->idle_action_event_source) {
936 r = sd_event_add_time(
938 &m->idle_action_event_source,
940 elapse, USEC_PER_SEC*30,
941 manager_dispatch_idle_action, m);
943 log_error("Failed to add idle event source: %s", strerror(-r));
947 r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
949 log_error("Failed to set idle event source priority: %s", strerror(-r));
953 r = sd_event_source_set_time(m->idle_action_event_source, elapse);
955 log_error("Failed to set idle event timer: %s", strerror(-r));
959 r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
961 log_error("Failed to enable idle event timer: %s", strerror(-r));
969 int manager_startup(Manager *m) {
975 Inhibitor *inhibitor;
980 /* Connect to console */
981 r = manager_connect_console(m);
985 /* Connect to udev */
986 r = manager_connect_udev(m);
988 log_error("Failed to create udev watchers: %s", strerror(-r));
992 /* Connect to the bus */
993 r = manager_connect_bus(m);
997 /* Instantiate magic seat 0 */
998 r = manager_add_seat(m, "seat0", &m->seat0);
1000 log_error("Failed to add seat0: %s", strerror(-r));
1004 r = manager_set_lid_switch_ignore(m, 0 + IGNORE_LID_SWITCH_STARTUP_USEC);
1006 log_warning("Failed to set up lid switch ignore event source: %s", strerror(-r));
1008 /* Deserialize state */
1009 r = manager_enumerate_devices(m);
1011 log_warning("Device enumeration failed: %s", strerror(-r));
1013 r = manager_enumerate_seats(m);
1015 log_warning("Seat enumeration failed: %s", strerror(-r));
1017 r = manager_enumerate_users(m);
1019 log_warning("User enumeration failed: %s", strerror(-r));
1021 r = manager_enumerate_sessions(m);
1023 log_warning("Session enumeration failed: %s", strerror(-r));
1025 r = manager_enumerate_inhibitors(m);
1027 log_warning("Inhibitor enumeration failed: %s", strerror(-r));
1029 r = manager_enumerate_buttons(m);
1031 log_warning("Button enumeration failed: %s", strerror(-r));
1033 /* Remove stale objects before we start them */
1034 manager_gc(m, false);
1036 /* Reserve the special reserved VT */
1037 manager_reserve_vt(m);
1039 /* And start everything */
1040 HASHMAP_FOREACH(seat, m->seats, i)
1043 HASHMAP_FOREACH(user, m->users, i)
1046 HASHMAP_FOREACH(session, m->sessions, i)
1047 session_start(session);
1049 HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
1050 inhibitor_start(inhibitor);
1052 HASHMAP_FOREACH(button, m->buttons, i)
1053 button_check_switches(button);
1055 manager_dispatch_idle_action(NULL, 0, m);
1060 int manager_run(Manager *m) {
1066 usec_t us = (uint64_t) -1;
1068 r = sd_event_get_state(m->event);
1071 if (r == SD_EVENT_FINISHED)
1074 manager_gc(m, true);
1076 if (manager_dispatch_delayed(m) > 0)
1079 if (m->action_what != 0 && !m->action_job) {
1082 x = now(CLOCK_MONOTONIC);
1083 y = m->action_timestamp + m->inhibit_delay_max;
1085 us = x >= y ? 0 : y - x;
1088 r = sd_event_run(m->event, us);
1094 static int manager_parse_config_file(Manager *m) {
1095 static const char fn[] = "/etc/systemd/logind.conf";
1096 _cleanup_fclose_ FILE *f = NULL;
1101 f = fopen(fn, "re");
1103 if (errno == ENOENT)
1106 log_warning("Failed to open configuration file %s: %m", fn);
1110 r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup,
1111 (void*) logind_gperf_lookup, false, false, m);
1113 log_warning("Failed to parse configuration file: %s", strerror(-r));
1118 int main(int argc, char *argv[]) {
1122 log_set_target(LOG_TARGET_AUTO);
1123 log_set_facility(LOG_AUTH);
1124 log_parse_environment();
1130 log_error("This program takes no arguments.");
1135 /* Always create the directories people can create inotify
1136 * watches in. Note that some applications might check for the
1137 * existence of /run/systemd/seats/ to determine whether
1138 * logind is available, so please always make sure this check
1140 mkdir_label("/run/systemd/seats", 0755);
1141 mkdir_label("/run/systemd/users", 0755);
1142 mkdir_label("/run/systemd/sessions", 0755);
1150 manager_parse_config_file(m);
1152 r = manager_startup(m);
1154 log_error("Failed to fully start up daemon: %s", strerror(-r));
1158 log_debug("systemd-logind running as pid %lu", (unsigned long) getpid());
1162 "STATUS=Processing requests...");
1166 log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid());
1170 "STATUS=Shutting down...");
1175 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;