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/>.
29 #include "sd-daemon.h"
31 #include "conf-parser.h"
33 #include "bus-error.h"
35 #include "udev-util.h"
37 Manager *manager_new(void) {
45 m->console_active_fd = -1;
48 m->inhibit_delay_max = 5 * USEC_PER_SEC;
49 m->handle_power_key = HANDLE_POWEROFF;
50 m->handle_suspend_key = HANDLE_SUSPEND;
51 m->handle_hibernate_key = HANDLE_HIBERNATE;
52 m->handle_lid_switch = HANDLE_SUSPEND;
53 m->handle_lid_switch_docked = HANDLE_IGNORE;
54 m->lid_switch_ignore_inhibited = true;
55 m->holdoff_timeout_usec = 30 * USEC_PER_SEC;
57 m->idle_action_usec = 30 * USEC_PER_MINUTE;
58 m->idle_action = HANDLE_IGNORE;
59 m->idle_action_not_before_usec = now(CLOCK_MONOTONIC);
61 m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */
63 m->devices = hashmap_new(&string_hash_ops);
64 m->seats = hashmap_new(&string_hash_ops);
65 m->sessions = hashmap_new(&string_hash_ops);
66 m->users = hashmap_new(NULL);
67 m->inhibitors = hashmap_new(&string_hash_ops);
68 m->buttons = hashmap_new(&string_hash_ops);
70 m->busnames = set_new(&string_hash_ops);
72 if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames)
75 m->kill_exclude_users = strv_new("root", NULL);
76 if (!m->kill_exclude_users)
79 m->suspend_mode = NULL;
80 m->suspend_state = strv_new("mem", "standby", "freeze", NULL);
81 if (!m->suspend_state)
83 m->hibernate_mode = strv_new("platform", "shutdown", NULL);
84 if (!m->hibernate_mode)
86 m->hibernate_state = strv_new("disk", NULL);
87 if (!m->hibernate_state)
89 m->hybrid_sleep_mode = strv_new("suspend", "platform", "shutdown", NULL);
90 if (!m->hybrid_sleep_mode)
92 m->hybrid_sleep_state = strv_new("disk", NULL);
93 if (!m->hybrid_sleep_state)
100 r = sd_event_default(&m->event);
104 sd_event_set_watchdog(m->event, true);
114 void manager_free(Manager *m) {
124 while ((session = hashmap_first(m->sessions)))
125 session_free(session);
127 while ((u = hashmap_first(m->users)))
130 while ((d = hashmap_first(m->devices)))
133 while ((s = hashmap_first(m->seats)))
136 while ((i = hashmap_first(m->inhibitors)))
139 while ((b = hashmap_first(m->buttons)))
142 hashmap_free(m->devices);
143 hashmap_free(m->seats);
144 hashmap_free(m->sessions);
145 hashmap_free(m->users);
146 hashmap_free(m->inhibitors);
147 hashmap_free(m->buttons);
149 set_free_free(m->busnames);
151 sd_event_source_unref(m->idle_action_event_source);
153 sd_event_source_unref(m->console_active_event_source);
154 sd_event_source_unref(m->udev_seat_event_source);
155 sd_event_source_unref(m->udev_device_event_source);
156 sd_event_source_unref(m->udev_vcsa_event_source);
157 sd_event_source_unref(m->udev_button_event_source);
158 sd_event_source_unref(m->lid_switch_ignore_event_source);
160 safe_close(m->console_active_fd);
162 if (m->udev_seat_monitor)
163 udev_monitor_unref(m->udev_seat_monitor);
164 if (m->udev_device_monitor)
165 udev_monitor_unref(m->udev_device_monitor);
166 if (m->udev_vcsa_monitor)
167 udev_monitor_unref(m->udev_vcsa_monitor);
168 if (m->udev_button_monitor)
169 udev_monitor_unref(m->udev_button_monitor);
174 bus_verify_polkit_async_registry_free(m->polkit_registry);
176 sd_bus_unref(m->bus);
177 sd_event_unref(m->event);
179 strv_free(m->kill_only_users);
180 strv_free(m->kill_exclude_users);
182 strv_free(m->suspend_mode);
183 strv_free(m->suspend_state);
184 strv_free(m->hibernate_mode);
185 strv_free(m->hibernate_state);
186 strv_free(m->hybrid_sleep_mode);
187 strv_free(m->hybrid_sleep_state);
192 static int manager_enumerate_devices(Manager *m) {
193 struct udev_list_entry *item = NULL, *first = NULL;
194 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
199 /* Loads devices from udev and creates seats for them as
202 e = udev_enumerate_new(m->udev);
206 r = udev_enumerate_add_match_tag(e, "master-of-seat");
210 r = udev_enumerate_add_match_is_initialized(e);
214 r = udev_enumerate_scan_devices(e);
218 first = udev_enumerate_get_list_entry(e);
219 udev_list_entry_foreach(item, first) {
220 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
223 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
227 k = manager_process_seat_device(m, d);
235 static int manager_enumerate_buttons(Manager *m) {
236 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
237 struct udev_list_entry *item = NULL, *first = NULL;
242 /* Loads buttons from udev */
244 if (m->handle_power_key == HANDLE_IGNORE &&
245 m->handle_suspend_key == HANDLE_IGNORE &&
246 m->handle_hibernate_key == HANDLE_IGNORE &&
247 m->handle_lid_switch == HANDLE_IGNORE &&
248 m->handle_lid_switch_docked == HANDLE_IGNORE)
251 e = udev_enumerate_new(m->udev);
255 r = udev_enumerate_add_match_subsystem(e, "input");
259 r = udev_enumerate_add_match_tag(e, "power-switch");
263 r = udev_enumerate_add_match_is_initialized(e);
267 r = udev_enumerate_scan_devices(e);
271 first = udev_enumerate_get_list_entry(e);
272 udev_list_entry_foreach(item, first) {
273 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
276 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
280 k = manager_process_button_device(m, d);
288 static int manager_enumerate_seats(Manager *m) {
289 _cleanup_closedir_ DIR *d = NULL;
295 /* This loads data about seats stored on disk, but does not
296 * actually create any seats. Removes data of seats that no
299 d = opendir("/run/systemd/seats");
304 log_error_errno(errno, "Failed to open /run/systemd/seats: %m");
308 FOREACH_DIRENT(de, d, return -errno) {
312 if (!dirent_is_file(de))
315 s = hashmap_get(m->seats, de->d_name);
317 unlinkat(dirfd(d), de->d_name, 0);
329 static int manager_enumerate_linger_users(Manager *m) {
330 _cleanup_closedir_ DIR *d = NULL;
336 d = opendir("/var/lib/systemd/linger");
341 log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m");
345 FOREACH_DIRENT(de, d, return -errno) {
348 if (!dirent_is_file(de))
351 k = manager_add_user_by_name(m, de->d_name, NULL);
353 log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name);
361 static int manager_enumerate_users(Manager *m) {
362 _cleanup_closedir_ DIR *d = NULL;
368 /* Add lingering users */
369 r = manager_enumerate_linger_users(m);
371 /* Read in user data stored on disk */
372 d = opendir("/run/systemd/users");
377 log_error_errno(errno, "Failed to open /run/systemd/users: %m");
381 FOREACH_DIRENT(de, d, return -errno) {
384 if (!dirent_is_file(de))
387 k = manager_add_user_by_name(m, de->d_name, &u);
389 log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name);
395 user_add_to_gc_queue(u);
405 static int manager_enumerate_sessions(Manager *m) {
406 _cleanup_closedir_ DIR *d = NULL;
412 /* Read in session data stored on disk */
413 d = opendir("/run/systemd/sessions");
418 log_error_errno(errno, "Failed to open /run/systemd/sessions: %m");
422 FOREACH_DIRENT(de, d, return -errno) {
426 if (!dirent_is_file(de))
429 if (!session_id_valid(de->d_name)) {
430 log_warning("Invalid session file name '%s', ignoring.", de->d_name);
435 k = manager_add_session(m, de->d_name, &s);
437 log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name);
443 session_add_to_gc_queue(s);
453 static int manager_enumerate_inhibitors(Manager *m) {
454 _cleanup_closedir_ DIR *d = NULL;
460 d = opendir("/run/systemd/inhibit");
465 log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m");
469 FOREACH_DIRENT(de, d, return -errno) {
473 if (!dirent_is_file(de))
476 k = manager_add_inhibitor(m, de->d_name, &i);
478 log_notice_errno(k, "Couldn't add inhibitor %s: %m", de->d_name);
483 k = inhibitor_load(i);
491 static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
492 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
493 Manager *m = userdata;
497 d = udev_monitor_receive_device(m->udev_seat_monitor);
501 manager_process_seat_device(m, d);
505 static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
506 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
507 Manager *m = userdata;
511 d = udev_monitor_receive_device(m->udev_device_monitor);
515 manager_process_seat_device(m, d);
519 static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
520 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
521 Manager *m = userdata;
525 d = udev_monitor_receive_device(m->udev_button_monitor);
529 manager_process_button_device(m, d);
533 static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
534 Manager *m = userdata;
538 assert(m->console_active_fd == fd);
540 seat_read_active_vt(m->seat0);
544 static int manager_connect_bus(Manager *m) {
545 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
551 r = sd_bus_default_system(&m->bus);
553 return log_error_errno(r, "Failed to connect to system bus: %m");
555 r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
557 return log_error_errno(r, "Failed to add manager object vtable: %m");
559 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
561 return log_error_errno(r, "Failed to add seat object vtable: %m");
563 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
565 return log_error_errno(r, "Failed to add seat enumerator: %m");
567 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
569 return log_error_errno(r, "Failed to add session object vtable: %m");
571 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/session", session_node_enumerator, m);
573 return log_error_errno(r, "Failed to add session enumerator: %m");
575 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
577 return log_error_errno(r, "Failed to add user object vtable: %m");
579 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/user", user_node_enumerator, m);
581 return log_error_errno(r, "Failed to add user enumerator: %m");
583 r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
585 return log_error_errno(r, "Failed to register name: %m");
587 r = sd_bus_attach_event(m->bus, m->event, 0);
589 return log_error_errno(r, "Failed to attach bus to event loop: %m");
594 static int manager_vt_switch(sd_event_source *src, const struct signalfd_siginfo *si, void *data) {
596 Session *active, *iter;
599 * We got a VT-switch signal and we have to acknowledge it immediately.
600 * Preferably, we'd just use m->seat0->active->vtfd, but unfortunately,
601 * old user-space might run multiple sessions on a single VT, *sigh*.
602 * Therefore, we have to iterate all sessions and find one with a vtfd
603 * on the requested VT.
604 * As only VTs with active controllers have VT_PROCESS set, our current
605 * notion of the active VT might be wrong (for instance if the switch
606 * happens while we setup VT_PROCESS). Therefore, read the current VT
607 * first and then use s->active->vtnr as reference. Note that this is
608 * not racy, as no further VT-switch can happen as long as we're in
609 * synchronous VT_PROCESS mode.
613 seat_read_active_vt(m->seat0);
615 active = m->seat0->active;
616 if (!active || active->vtnr < 1) {
617 log_warning("Received VT_PROCESS signal without a registered session on that VT.");
621 if (active->vtfd >= 0) {
622 session_leave_vt(active);
624 LIST_FOREACH(sessions_by_seat, iter, m->seat0->sessions) {
625 if (iter->vtnr == active->vtnr && iter->vtfd >= 0) {
626 session_leave_vt(iter);
635 static int manager_connect_console(Manager *m) {
639 assert(m->console_active_fd < 0);
641 /* On certain architectures (S390 and Xen, and containers),
642 /dev/tty0 does not exist, so don't fail if we can't open
644 if (access("/dev/tty0", F_OK) < 0)
647 m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
648 if (m->console_active_fd < 0) {
650 /* On some systems the device node /dev/tty0 may exist
651 * even though /sys/class/tty/tty0 does not. */
655 log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m");
659 r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
661 log_error("Failed to watch foreground console");
666 * SIGRTMIN is used as global VT-release signal, SIGRTMIN + 1 is used
667 * as VT-acquire signal. We ignore any acquire-events (yes, we still
668 * have to provide a valid signal-number for it!) and acknowledge all
669 * release events immediately.
672 if (SIGRTMIN + 1 > SIGRTMAX) {
673 log_error("Not enough real-time signals available: %u-%u", SIGRTMIN, SIGRTMAX);
677 r = ignore_signals(SIGRTMIN + 1, -1);
679 return log_error_errno(r, "Cannot ignore SIGRTMIN + 1: %m");
681 r = sigprocmask_many(SIG_BLOCK, SIGRTMIN, -1);
683 return log_error_errno(r, "Cannot block SIGRTMIN: %m");
685 r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m);
692 static int manager_connect_udev(Manager *m) {
696 assert(!m->udev_seat_monitor);
697 assert(!m->udev_device_monitor);
698 assert(!m->udev_vcsa_monitor);
699 assert(!m->udev_button_monitor);
701 m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
702 if (!m->udev_seat_monitor)
705 r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat");
709 r = udev_monitor_enable_receiving(m->udev_seat_monitor);
713 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);
717 m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
718 if (!m->udev_device_monitor)
721 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL);
725 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL);
729 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL);
733 r = udev_monitor_enable_receiving(m->udev_device_monitor);
737 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);
741 /* Don't watch keys if nobody cares */
742 if (m->handle_power_key != HANDLE_IGNORE ||
743 m->handle_suspend_key != HANDLE_IGNORE ||
744 m->handle_hibernate_key != HANDLE_IGNORE ||
745 m->handle_lid_switch != HANDLE_IGNORE ||
746 m->handle_lid_switch_docked != HANDLE_IGNORE) {
748 m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
749 if (!m->udev_button_monitor)
752 r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
756 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
760 r = udev_monitor_enable_receiving(m->udev_button_monitor);
764 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);
772 void manager_gc(Manager *m, bool drop_not_started) {
779 while ((seat = m->seat_gc_queue)) {
780 LIST_REMOVE(gc_queue, m->seat_gc_queue, seat);
781 seat->in_gc_queue = false;
783 if (!seat_check_gc(seat, drop_not_started)) {
784 seat_stop(seat, false);
789 while ((session = m->session_gc_queue)) {
790 LIST_REMOVE(gc_queue, m->session_gc_queue, session);
791 session->in_gc_queue = false;
793 /* First, if we are not closing yet, initiate stopping */
794 if (!session_check_gc(session, drop_not_started) &&
795 session_get_state(session) != SESSION_CLOSING)
796 session_stop(session, false);
798 /* Normally, this should make the session busy again,
799 * if it doesn't then let's get rid of it
801 if (!session_check_gc(session, drop_not_started)) {
802 session_finalize(session);
803 session_free(session);
807 while ((user = m->user_gc_queue)) {
808 LIST_REMOVE(gc_queue, m->user_gc_queue, user);
809 user->in_gc_queue = false;
811 /* First step: queue stop jobs */
812 if (!user_check_gc(user, drop_not_started))
813 user_stop(user, false);
815 /* Second step: finalize user */
816 if (!user_check_gc(user, drop_not_started)) {
823 static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) {
824 Manager *m = userdata;
825 struct dual_timestamp since;
831 if (m->idle_action == HANDLE_IGNORE ||
832 m->idle_action_usec <= 0)
835 n = now(CLOCK_MONOTONIC);
837 r = manager_get_idle_hint(m, &since);
839 /* Not idle. Let's check if after a timeout it might be idle then. */
840 elapse = n + m->idle_action_usec;
842 /* Idle! Let's see if it's time to do something, or if
843 * we shall sleep for longer. */
845 if (n >= since.monotonic + m->idle_action_usec &&
846 (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) {
847 log_info("System idle. Taking action.");
849 manager_handle_action(m, 0, m->idle_action, false, false);
850 m->idle_action_not_before_usec = n;
853 elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec;
856 if (!m->idle_action_event_source) {
858 r = sd_event_add_time(
860 &m->idle_action_event_source,
862 elapse, USEC_PER_SEC*30,
863 manager_dispatch_idle_action, m);
865 return log_error_errno(r, "Failed to add idle event source: %m");
867 r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
869 return log_error_errno(r, "Failed to set idle event source priority: %m");
871 r = sd_event_source_set_time(m->idle_action_event_source, elapse);
873 return log_error_errno(r, "Failed to set idle event timer: %m");
875 r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
877 return log_error_errno(r, "Failed to enable idle event timer: %m");
883 int manager_startup(Manager *m) {
889 Inhibitor *inhibitor;
894 /* Connect to console */
895 r = manager_connect_console(m);
899 /* Connect to udev */
900 r = manager_connect_udev(m);
902 return log_error_errno(r, "Failed to create udev watchers: %m");
904 /* Connect to the bus */
905 r = manager_connect_bus(m);
909 /* Instantiate magic seat 0 */
910 r = manager_add_seat(m, "seat0", &m->seat0);
912 return log_error_errno(r, "Failed to add seat0: %m");
914 r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec);
916 log_warning_errno(r, "Failed to set up lid switch ignore event source: %m");
918 /* Deserialize state */
919 r = manager_enumerate_devices(m);
921 log_warning_errno(r, "Device enumeration failed: %m");
923 r = manager_enumerate_seats(m);
925 log_warning_errno(r, "Seat enumeration failed: %m");
927 r = manager_enumerate_users(m);
929 log_warning_errno(r, "User enumeration failed: %m");
931 r = manager_enumerate_sessions(m);
933 log_warning_errno(r, "Session enumeration failed: %m");
935 r = manager_enumerate_inhibitors(m);
937 log_warning_errno(r, "Inhibitor enumeration failed: %m");
939 r = manager_enumerate_buttons(m);
941 log_warning_errno(r, "Button enumeration failed: %m");
943 /* Remove stale objects before we start them */
944 manager_gc(m, false);
946 /* And start everything */
947 HASHMAP_FOREACH(seat, m->seats, i)
950 HASHMAP_FOREACH(user, m->users, i)
953 HASHMAP_FOREACH(session, m->sessions, i)
954 session_start(session);
956 HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
957 inhibitor_start(inhibitor);
959 HASHMAP_FOREACH(button, m->buttons, i)
960 button_check_switches(button);
962 manager_dispatch_idle_action(NULL, 0, m);
967 int manager_run(Manager *m) {
973 usec_t us = (uint64_t) -1;
975 r = sd_event_get_state(m->event);
978 if (r == SD_EVENT_FINISHED)
983 if (manager_dispatch_delayed(m) > 0)
986 if (m->action_what != 0) {
989 x = now(CLOCK_MONOTONIC);
990 y = m->action_timestamp + m->inhibit_delay_max;
992 us = x >= y ? 0 : y - x;
995 r = sd_event_run(m->event, us);
1001 static int manager_parse_config_file(Manager *m) {
1002 const char *unit, *logind_conf, *sections;
1004 bool relaxed, allow_include, warn;
1009 logind_conf = getenv("ELOGIND_CONF_FILE");
1011 logind_conf = PKGSYSCONFDIR "/logind.conf";
1012 sections = "Login\0Sleep\0";
1015 allow_include = false;
1018 return config_parse(unit, logind_conf, file, sections,
1019 config_item_perf_lookup, logind_gperf_lookup,
1020 relaxed, allow_include, warn, m);
1023 int main(int argc, char *argv[]) {
1027 log_set_target(LOG_TARGET_AUTO);
1028 log_set_facility(LOG_AUTH);
1029 log_parse_environment();
1035 log_error("This program takes no arguments.");
1040 /* Always create the directories people can create inotify
1041 * watches in. Note that some applications might check for the
1042 * existence of /run/systemd/seats/ to determine whether
1043 * logind is available, so please always make sure this check
1045 mkdir_label("/run/systemd/seats", 0755);
1046 mkdir_label("/run/systemd/users", 0755);
1047 mkdir_label("/run/systemd/sessions", 0755);
1055 manager_parse_config_file(m);
1057 r = manager_startup(m);
1059 log_error_errno(r, "Failed to fully start up daemon: %m");
1063 log_debug("logind running as pid "PID_FMT, getpid());
1067 "STATUS=Processing requests...");
1071 log_debug("logind stopped as pid "PID_FMT, getpid());
1076 "STATUS=Shutting down...");
1081 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;