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 "sd-daemon.h"
30 #include "conf-parser.h"
32 #include "bus-error.h"
33 #include "udev-util.h"
34 #include "formats-util.h"
35 #include "signal-util.h"
38 static void manager_free(Manager *m);
40 static Manager *manager_new(void) {
48 m->console_active_fd = -1;
51 m->inhibit_delay_max = 5 * USEC_PER_SEC;
52 m->handle_power_key = HANDLE_POWEROFF;
53 m->handle_suspend_key = HANDLE_SUSPEND;
54 m->handle_hibernate_key = HANDLE_HIBERNATE;
55 m->handle_lid_switch = HANDLE_SUSPEND;
56 m->handle_lid_switch_docked = HANDLE_IGNORE;
57 m->lid_switch_ignore_inhibited = true;
58 m->holdoff_timeout_usec = 30 * USEC_PER_SEC;
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_ops);
67 m->seats = hashmap_new(&string_hash_ops);
68 m->sessions = hashmap_new(&string_hash_ops);
69 m->users = hashmap_new(NULL);
70 m->inhibitors = hashmap_new(&string_hash_ops);
71 m->buttons = hashmap_new(&string_hash_ops);
73 m->busnames = set_new(&string_hash_ops);
75 if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames)
78 m->kill_exclude_users = strv_new("root", NULL);
79 if (!m->kill_exclude_users)
86 r = sd_event_default(&m->event);
90 sd_event_set_watchdog(m->event, true);
99 static void manager_free(Manager *m) {
109 while ((session = hashmap_first(m->sessions)))
110 session_free(session);
112 while ((u = hashmap_first(m->users)))
115 while ((d = hashmap_first(m->devices)))
118 while ((s = hashmap_first(m->seats)))
121 while ((i = hashmap_first(m->inhibitors)))
124 while ((b = hashmap_first(m->buttons)))
127 hashmap_free(m->devices);
128 hashmap_free(m->seats);
129 hashmap_free(m->sessions);
130 hashmap_free(m->users);
131 hashmap_free(m->inhibitors);
132 hashmap_free(m->buttons);
134 set_free_free(m->busnames);
136 sd_event_source_unref(m->idle_action_event_source);
137 sd_event_source_unref(m->inhibit_timeout_source);
138 sd_event_source_unref(m->scheduled_shutdown_timeout_source);
139 sd_event_source_unref(m->nologin_timeout_source);
140 sd_event_source_unref(m->wall_message_timeout_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);
147 sd_event_source_unref(m->lid_switch_ignore_event_source);
149 safe_close(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 if (m->unlink_nologin)
164 (void) unlink("/run/nologin");
166 bus_verify_polkit_async_registry_free(m->polkit_registry);
168 sd_bus_unref(m->bus);
169 sd_event_unref(m->event);
171 strv_free(m->kill_only_users);
172 strv_free(m->kill_exclude_users);
174 free(m->scheduled_shutdown_type);
175 free(m->scheduled_shutdown_tty);
176 free(m->wall_message);
181 static int manager_enumerate_devices(Manager *m) {
182 struct udev_list_entry *item = NULL, *first = NULL;
183 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
188 /* Loads devices from udev and creates seats for them as
191 e = udev_enumerate_new(m->udev);
195 r = udev_enumerate_add_match_tag(e, "master-of-seat");
199 r = udev_enumerate_add_match_is_initialized(e);
203 r = udev_enumerate_scan_devices(e);
207 first = udev_enumerate_get_list_entry(e);
208 udev_list_entry_foreach(item, first) {
209 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
212 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
216 k = manager_process_seat_device(m, d);
224 static int manager_enumerate_buttons(Manager *m) {
225 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
226 struct udev_list_entry *item = NULL, *first = NULL;
231 /* Loads buttons from udev */
233 if (m->handle_power_key == HANDLE_IGNORE &&
234 m->handle_suspend_key == HANDLE_IGNORE &&
235 m->handle_hibernate_key == HANDLE_IGNORE &&
236 m->handle_lid_switch == HANDLE_IGNORE &&
237 m->handle_lid_switch_docked == HANDLE_IGNORE)
240 e = udev_enumerate_new(m->udev);
244 r = udev_enumerate_add_match_subsystem(e, "input");
248 r = udev_enumerate_add_match_tag(e, "power-switch");
252 r = udev_enumerate_add_match_is_initialized(e);
256 r = udev_enumerate_scan_devices(e);
260 first = udev_enumerate_get_list_entry(e);
261 udev_list_entry_foreach(item, first) {
262 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
265 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
269 k = manager_process_button_device(m, d);
277 static int manager_enumerate_seats(Manager *m) {
278 _cleanup_closedir_ DIR *d = NULL;
284 /* This loads data about seats stored on disk, but does not
285 * actually create any seats. Removes data of seats that no
288 d = opendir("/run/systemd/seats");
293 log_error_errno(errno, "Failed to open /run/systemd/seats: %m");
297 FOREACH_DIRENT(de, d, return -errno) {
301 if (!dirent_is_file(de))
304 s = hashmap_get(m->seats, de->d_name);
306 unlinkat(dirfd(d), de->d_name, 0);
318 static int manager_enumerate_linger_users(Manager *m) {
319 _cleanup_closedir_ DIR *d = NULL;
325 d = opendir("/var/lib/systemd/linger");
330 log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m");
334 FOREACH_DIRENT(de, d, return -errno) {
337 if (!dirent_is_file(de))
340 k = manager_add_user_by_name(m, de->d_name, NULL);
342 log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name);
350 static int manager_enumerate_users(Manager *m) {
351 _cleanup_closedir_ DIR *d = NULL;
357 /* Add lingering users */
358 r = manager_enumerate_linger_users(m);
360 /* Read in user data stored on disk */
361 d = opendir("/run/systemd/users");
366 log_error_errno(errno, "Failed to open /run/systemd/users: %m");
370 FOREACH_DIRENT(de, d, return -errno) {
373 if (!dirent_is_file(de))
376 k = manager_add_user_by_name(m, de->d_name, &u);
378 log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name);
384 user_add_to_gc_queue(u);
394 static int manager_enumerate_sessions(Manager *m) {
395 _cleanup_closedir_ DIR *d = NULL;
401 /* Read in session data stored on disk */
402 d = opendir("/run/systemd/sessions");
407 log_error_errno(errno, "Failed to open /run/systemd/sessions: %m");
411 FOREACH_DIRENT(de, d, return -errno) {
415 if (!dirent_is_file(de))
418 if (!session_id_valid(de->d_name)) {
419 log_warning("Invalid session file name '%s', ignoring.", de->d_name);
424 k = manager_add_session(m, de->d_name, &s);
426 log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name);
432 session_add_to_gc_queue(s);
442 static int manager_enumerate_inhibitors(Manager *m) {
443 _cleanup_closedir_ DIR *d = NULL;
449 d = opendir("/run/systemd/inhibit");
454 log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m");
458 FOREACH_DIRENT(de, d, return -errno) {
462 if (!dirent_is_file(de))
465 k = manager_add_inhibitor(m, de->d_name, &i);
467 log_notice_errno(k, "Couldn't add inhibitor %s: %m", de->d_name);
472 k = inhibitor_load(i);
480 static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
481 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
482 Manager *m = userdata;
486 d = udev_monitor_receive_device(m->udev_seat_monitor);
490 manager_process_seat_device(m, d);
494 static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
495 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
496 Manager *m = userdata;
500 d = udev_monitor_receive_device(m->udev_device_monitor);
504 manager_process_seat_device(m, d);
508 static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
509 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
510 Manager *m = userdata;
515 d = udev_monitor_receive_device(m->udev_vcsa_monitor);
519 name = udev_device_get_sysname(d);
521 /* Whenever a VCSA device is removed try to reallocate our
522 * VTs, to make sure our auto VTs never go away. */
524 if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
525 seat_preallocate_vts(m->seat0);
530 static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
531 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
532 Manager *m = userdata;
536 d = udev_monitor_receive_device(m->udev_button_monitor);
540 manager_process_button_device(m, d);
544 static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
545 Manager *m = userdata;
549 assert(m->console_active_fd == fd);
551 seat_read_active_vt(m->seat0);
555 static int manager_connect_bus(Manager *m) {
556 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
562 r = sd_bus_default_system(&m->bus);
564 return log_error_errno(r, "Failed to connect to system bus: %m");
566 r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
568 return log_error_errno(r, "Failed to add manager object vtable: %m");
570 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
572 return log_error_errno(r, "Failed to add seat object vtable: %m");
574 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
576 return log_error_errno(r, "Failed to add seat enumerator: %m");
578 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
580 return log_error_errno(r, "Failed to add session object vtable: %m");
582 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/session", session_node_enumerator, m);
584 return log_error_errno(r, "Failed to add session enumerator: %m");
586 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
588 return log_error_errno(r, "Failed to add user object vtable: %m");
590 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/user", user_node_enumerator, m);
592 return log_error_errno(r, "Failed to add user enumerator: %m");
594 r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
596 return log_error_errno(r, "Failed to register name: %m");
598 r = sd_bus_attach_event(m->bus, m->event, 0);
600 return log_error_errno(r, "Failed to attach bus to event loop: %m");
605 static int manager_vt_switch(sd_event_source *src, const struct signalfd_siginfo *si, void *data) {
607 Session *active, *iter;
610 * We got a VT-switch signal and we have to acknowledge it immediately.
611 * Preferably, we'd just use m->seat0->active->vtfd, but unfortunately,
612 * old user-space might run multiple sessions on a single VT, *sigh*.
613 * Therefore, we have to iterate all sessions and find one with a vtfd
614 * on the requested VT.
615 * As only VTs with active controllers have VT_PROCESS set, our current
616 * notion of the active VT might be wrong (for instance if the switch
617 * happens while we setup VT_PROCESS). Therefore, read the current VT
618 * first and then use s->active->vtnr as reference. Note that this is
619 * not racy, as no further VT-switch can happen as long as we're in
620 * synchronous VT_PROCESS mode.
624 seat_read_active_vt(m->seat0);
626 active = m->seat0->active;
627 if (!active || active->vtnr < 1) {
628 log_warning("Received VT_PROCESS signal without a registered session on that VT.");
632 if (active->vtfd >= 0) {
633 session_leave_vt(active);
635 LIST_FOREACH(sessions_by_seat, iter, m->seat0->sessions) {
636 if (iter->vtnr == active->vtnr && iter->vtfd >= 0) {
637 session_leave_vt(iter);
646 static int manager_connect_console(Manager *m) {
650 assert(m->console_active_fd < 0);
652 /* On certain architectures (S390 and Xen, and containers),
653 /dev/tty0 does not exist, so don't fail if we can't open
655 if (access("/dev/tty0", F_OK) < 0)
658 m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
659 if (m->console_active_fd < 0) {
661 /* On some systems the device node /dev/tty0 may exist
662 * even though /sys/class/tty/tty0 does not. */
666 log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m");
670 r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
672 log_error("Failed to watch foreground console");
677 * SIGRTMIN is used as global VT-release signal, SIGRTMIN + 1 is used
678 * as VT-acquire signal. We ignore any acquire-events (yes, we still
679 * have to provide a valid signal-number for it!) and acknowledge all
680 * release events immediately.
683 if (SIGRTMIN + 1 > SIGRTMAX) {
684 log_error("Not enough real-time signals available: %u-%u", SIGRTMIN, SIGRTMAX);
688 assert_se(ignore_signals(SIGRTMIN + 1, -1) >= 0);
689 assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN, -1) >= 0);
691 r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m);
698 static int manager_connect_udev(Manager *m) {
702 assert(!m->udev_seat_monitor);
703 assert(!m->udev_device_monitor);
704 assert(!m->udev_vcsa_monitor);
705 assert(!m->udev_button_monitor);
707 m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
708 if (!m->udev_seat_monitor)
711 r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat");
715 r = udev_monitor_enable_receiving(m->udev_seat_monitor);
719 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);
723 m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
724 if (!m->udev_device_monitor)
727 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL);
731 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL);
735 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL);
739 r = udev_monitor_enable_receiving(m->udev_device_monitor);
743 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);
747 /* Don't watch keys if nobody cares */
748 if (m->handle_power_key != HANDLE_IGNORE ||
749 m->handle_suspend_key != HANDLE_IGNORE ||
750 m->handle_hibernate_key != HANDLE_IGNORE ||
751 m->handle_lid_switch != HANDLE_IGNORE ||
752 m->handle_lid_switch_docked != HANDLE_IGNORE) {
754 m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
755 if (!m->udev_button_monitor)
758 r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
762 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
766 r = udev_monitor_enable_receiving(m->udev_button_monitor);
770 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);
778 static void manager_gc(Manager *m, bool drop_not_started) {
785 while ((seat = m->seat_gc_queue)) {
786 LIST_REMOVE(gc_queue, m->seat_gc_queue, seat);
787 seat->in_gc_queue = false;
789 if (!seat_check_gc(seat, drop_not_started)) {
790 seat_stop(seat, false);
795 while ((session = m->session_gc_queue)) {
796 LIST_REMOVE(gc_queue, m->session_gc_queue, session);
797 session->in_gc_queue = false;
799 /* First, if we are not closing yet, initiate stopping */
800 if (!session_check_gc(session, drop_not_started) &&
801 session_get_state(session) != SESSION_CLOSING)
802 session_stop(session, false);
804 /* Normally, this should make the session busy again,
805 * if it doesn't then let's get rid of it
807 if (!session_check_gc(session, drop_not_started)) {
808 session_finalize(session);
809 session_free(session);
813 while ((user = m->user_gc_queue)) {
814 LIST_REMOVE(gc_queue, m->user_gc_queue, user);
815 user->in_gc_queue = false;
817 /* First step: queue stop jobs */
818 if (!user_check_gc(user, drop_not_started))
819 user_stop(user, false);
821 /* Second step: finalize user */
822 if (!user_check_gc(user, drop_not_started)) {
829 static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) {
830 Manager *m = userdata;
831 struct dual_timestamp since;
837 if (m->idle_action == HANDLE_IGNORE ||
838 m->idle_action_usec <= 0)
841 n = now(CLOCK_MONOTONIC);
843 r = manager_get_idle_hint(m, &since);
845 /* Not idle. Let's check if after a timeout it might be idle then. */
846 elapse = n + m->idle_action_usec;
848 /* Idle! Let's see if it's time to do something, or if
849 * we shall sleep for longer. */
851 if (n >= since.monotonic + m->idle_action_usec &&
852 (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) {
853 log_info("System idle. Taking action.");
855 manager_handle_action(m, 0, m->idle_action, false, false);
856 m->idle_action_not_before_usec = n;
859 elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec;
862 if (!m->idle_action_event_source) {
864 r = sd_event_add_time(
866 &m->idle_action_event_source,
868 elapse, USEC_PER_SEC*30,
869 manager_dispatch_idle_action, m);
871 return log_error_errno(r, "Failed to add idle event source: %m");
873 r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
875 return log_error_errno(r, "Failed to set idle event source priority: %m");
877 r = sd_event_source_set_time(m->idle_action_event_source, elapse);
879 return log_error_errno(r, "Failed to set idle event timer: %m");
881 r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
883 return log_error_errno(r, "Failed to enable idle event timer: %m");
889 static int manager_startup(Manager *m) {
895 Inhibitor *inhibitor;
900 /* Connect to console */
901 r = manager_connect_console(m);
905 /* Connect to udev */
906 r = manager_connect_udev(m);
908 return log_error_errno(r, "Failed to create udev watchers: %m");
910 /* Connect to the bus */
911 r = manager_connect_bus(m);
915 /* Instantiate magic seat 0 */
916 r = manager_add_seat(m, "seat0", &m->seat0);
918 return log_error_errno(r, "Failed to add seat0: %m");
920 r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec);
922 log_warning_errno(r, "Failed to set up lid switch ignore event source: %m");
924 /* Deserialize state */
925 r = manager_enumerate_devices(m);
927 log_warning_errno(r, "Device enumeration failed: %m");
929 r = manager_enumerate_seats(m);
931 log_warning_errno(r, "Seat enumeration failed: %m");
933 r = manager_enumerate_users(m);
935 log_warning_errno(r, "User enumeration failed: %m");
937 r = manager_enumerate_sessions(m);
939 log_warning_errno(r, "Session enumeration failed: %m");
941 r = manager_enumerate_inhibitors(m);
943 log_warning_errno(r, "Inhibitor enumeration failed: %m");
945 r = manager_enumerate_buttons(m);
947 log_warning_errno(r, "Button enumeration failed: %m");
949 /* Remove stale objects before we start them */
950 manager_gc(m, false);
952 /* And start everything */
953 HASHMAP_FOREACH(seat, m->seats, i)
956 HASHMAP_FOREACH(user, m->users, i)
959 HASHMAP_FOREACH(session, m->sessions, i)
960 session_start(session);
962 HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
963 inhibitor_start(inhibitor);
965 HASHMAP_FOREACH(button, m->buttons, i)
966 button_check_switches(button);
968 manager_dispatch_idle_action(NULL, 0, m);
973 static int manager_run(Manager *m) {
979 r = sd_event_get_state(m->event);
982 if (r == SD_EVENT_FINISHED)
987 r = manager_dispatch_delayed(m, false);
993 r = sd_event_run(m->event, (uint64_t) -1);
999 static int manager_parse_config_file(Manager *m) {
1002 return config_parse_many("/etc/systemd/logind.conf",
1003 CONF_DIRS_NULSTR("systemd/logind.conf"),
1005 config_item_perf_lookup, logind_gperf_lookup,
1009 int main(int argc, char *argv[]) {
1013 log_set_target(LOG_TARGET_AUTO);
1014 log_set_facility(LOG_AUTH);
1015 log_parse_environment();
1021 log_error("This program takes no arguments.");
1026 /* Always create the directories people can create inotify
1027 * watches in. Note that some applications might check for the
1028 * existence of /run/systemd/seats/ to determine whether
1029 * logind is available, so please always make sure this check
1031 mkdir_label("/run/systemd", 0755);
1032 mkdir_label("/run/systemd/seats", 0755);
1033 mkdir_label("/run/systemd/users", 0755);
1034 mkdir_label("/run/systemd/sessions", 0755);
1042 manager_parse_config_file(m);
1044 r = manager_startup(m);
1046 log_error_errno(r, "Failed to fully start up daemon: %m");
1050 log_debug("logind running as pid "PID_FMT, getpid());
1054 "STATUS=Processing requests...");
1058 log_debug("logind stopped as pid "PID_FMT, getpid());
1063 "STATUS=Shutting down...");
1068 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;