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 "signal-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)
83 r = sd_event_default(&m->event);
87 sd_event_set_watchdog(m->event, true);
96 void manager_free(Manager *m) {
106 while ((session = hashmap_first(m->sessions)))
107 session_free(session);
109 while ((u = hashmap_first(m->users)))
112 while ((d = hashmap_first(m->devices)))
115 while ((s = hashmap_first(m->seats)))
118 while ((i = hashmap_first(m->inhibitors)))
121 while ((b = hashmap_first(m->buttons)))
124 hashmap_free(m->devices);
125 hashmap_free(m->seats);
126 hashmap_free(m->sessions);
127 hashmap_free(m->users);
128 hashmap_free(m->inhibitors);
129 hashmap_free(m->buttons);
131 set_free_free(m->busnames);
133 sd_event_source_unref(m->idle_action_event_source);
135 sd_event_source_unref(m->console_active_event_source);
136 sd_event_source_unref(m->udev_seat_event_source);
137 sd_event_source_unref(m->udev_device_event_source);
138 sd_event_source_unref(m->udev_vcsa_event_source);
139 sd_event_source_unref(m->udev_button_event_source);
140 sd_event_source_unref(m->lid_switch_ignore_event_source);
142 safe_close(m->console_active_fd);
144 if (m->udev_seat_monitor)
145 udev_monitor_unref(m->udev_seat_monitor);
146 if (m->udev_device_monitor)
147 udev_monitor_unref(m->udev_device_monitor);
148 if (m->udev_vcsa_monitor)
149 udev_monitor_unref(m->udev_vcsa_monitor);
150 if (m->udev_button_monitor)
151 udev_monitor_unref(m->udev_button_monitor);
156 bus_verify_polkit_async_registry_free(m->polkit_registry);
158 sd_bus_unref(m->bus);
159 sd_event_unref(m->event);
161 strv_free(m->kill_only_users);
162 strv_free(m->kill_exclude_users);
167 static int manager_enumerate_devices(Manager *m) {
168 struct udev_list_entry *item = NULL, *first = NULL;
169 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
174 /* Loads devices from udev and creates seats for them as
177 e = udev_enumerate_new(m->udev);
181 r = udev_enumerate_add_match_tag(e, "master-of-seat");
185 r = udev_enumerate_add_match_is_initialized(e);
189 r = udev_enumerate_scan_devices(e);
193 first = udev_enumerate_get_list_entry(e);
194 udev_list_entry_foreach(item, first) {
195 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
198 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
202 k = manager_process_seat_device(m, d);
210 static int manager_enumerate_buttons(Manager *m) {
211 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
212 struct udev_list_entry *item = NULL, *first = NULL;
217 /* Loads buttons from udev */
219 if (m->handle_power_key == HANDLE_IGNORE &&
220 m->handle_suspend_key == HANDLE_IGNORE &&
221 m->handle_hibernate_key == HANDLE_IGNORE &&
222 m->handle_lid_switch == HANDLE_IGNORE &&
223 m->handle_lid_switch_docked == HANDLE_IGNORE)
226 e = udev_enumerate_new(m->udev);
230 r = udev_enumerate_add_match_subsystem(e, "input");
234 r = udev_enumerate_add_match_tag(e, "power-switch");
238 r = udev_enumerate_add_match_is_initialized(e);
242 r = udev_enumerate_scan_devices(e);
246 first = udev_enumerate_get_list_entry(e);
247 udev_list_entry_foreach(item, first) {
248 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
251 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
255 k = manager_process_button_device(m, d);
263 static int manager_enumerate_seats(Manager *m) {
264 _cleanup_closedir_ DIR *d = NULL;
270 /* This loads data about seats stored on disk, but does not
271 * actually create any seats. Removes data of seats that no
274 d = opendir("/run/systemd/seats");
279 log_error_errno(errno, "Failed to open /run/systemd/seats: %m");
283 FOREACH_DIRENT(de, d, return -errno) {
287 if (!dirent_is_file(de))
290 s = hashmap_get(m->seats, de->d_name);
292 unlinkat(dirfd(d), de->d_name, 0);
304 static int manager_enumerate_linger_users(Manager *m) {
305 _cleanup_closedir_ DIR *d = NULL;
311 d = opendir("/var/lib/systemd/linger");
316 log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m");
320 FOREACH_DIRENT(de, d, return -errno) {
323 if (!dirent_is_file(de))
326 k = manager_add_user_by_name(m, de->d_name, NULL);
328 log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name);
336 static int manager_enumerate_users(Manager *m) {
337 _cleanup_closedir_ DIR *d = NULL;
343 /* Add lingering users */
344 r = manager_enumerate_linger_users(m);
346 /* Read in user data stored on disk */
347 d = opendir("/run/systemd/users");
352 log_error_errno(errno, "Failed to open /run/systemd/users: %m");
356 FOREACH_DIRENT(de, d, return -errno) {
359 if (!dirent_is_file(de))
362 k = manager_add_user_by_name(m, de->d_name, &u);
364 log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name);
370 user_add_to_gc_queue(u);
380 static int manager_enumerate_sessions(Manager *m) {
381 _cleanup_closedir_ DIR *d = NULL;
387 /* Read in session data stored on disk */
388 d = opendir("/run/systemd/sessions");
393 log_error_errno(errno, "Failed to open /run/systemd/sessions: %m");
397 FOREACH_DIRENT(de, d, return -errno) {
401 if (!dirent_is_file(de))
404 if (!session_id_valid(de->d_name)) {
405 log_warning("Invalid session file name '%s', ignoring.", de->d_name);
410 k = manager_add_session(m, de->d_name, &s);
412 log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name);
418 session_add_to_gc_queue(s);
428 static int manager_enumerate_inhibitors(Manager *m) {
429 _cleanup_closedir_ DIR *d = NULL;
435 d = opendir("/run/systemd/inhibit");
440 log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m");
444 FOREACH_DIRENT(de, d, return -errno) {
448 if (!dirent_is_file(de))
451 k = manager_add_inhibitor(m, de->d_name, &i);
453 log_notice_errno(k, "Couldn't add inhibitor %s: %m", de->d_name);
458 k = inhibitor_load(i);
466 static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
467 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
468 Manager *m = userdata;
472 d = udev_monitor_receive_device(m->udev_seat_monitor);
476 manager_process_seat_device(m, d);
480 static int manager_dispatch_device_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_device_monitor);
490 manager_process_seat_device(m, d);
494 static int manager_dispatch_vcsa_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;
501 d = udev_monitor_receive_device(m->udev_vcsa_monitor);
505 name = udev_device_get_sysname(d);
507 /* Whenever a VCSA device is removed try to reallocate our
508 * VTs, to make sure our auto VTs never go away. */
510 if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
511 seat_preallocate_vts(m->seat0);
516 static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
517 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
518 Manager *m = userdata;
522 d = udev_monitor_receive_device(m->udev_button_monitor);
526 manager_process_button_device(m, d);
530 static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
531 Manager *m = userdata;
535 assert(m->console_active_fd == fd);
537 seat_read_active_vt(m->seat0);
541 static int signal_agent_released(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
542 Manager *m = userdata;
551 r = sd_bus_message_read(message, "s", &cgroup);
553 bus_log_parse_error(r);
557 s = hashmap_get(m->sessions, cgroup);
560 log_warning("Session not found: %s", cgroup);
570 static int manager_connect_bus(Manager *m) {
571 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
577 r = sd_bus_default_system(&m->bus);
579 return log_error_errno(r, "Failed to connect to system bus: %m");
581 r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
583 return log_error_errno(r, "Failed to add manager object vtable: %m");
585 r = sd_bus_add_match(m->bus, NULL,
587 "interface='org.freedesktop.systemd1.Agent',"
589 "path='/org/freedesktop/systemd1/agent'",
590 signal_agent_released, m);
592 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
594 return log_error_errno(r, "Failed to add seat object vtable: %m");
596 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
598 return log_error_errno(r, "Failed to add seat enumerator: %m");
600 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
602 return log_error_errno(r, "Failed to add session object vtable: %m");
604 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/session", session_node_enumerator, m);
606 return log_error_errno(r, "Failed to add session enumerator: %m");
608 r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
610 return log_error_errno(r, "Failed to add user object vtable: %m");
612 r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/user", user_node_enumerator, m);
614 return log_error_errno(r, "Failed to add user enumerator: %m");
616 r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
618 return log_error_errno(r, "Failed to register name: %m");
620 r = sd_bus_attach_event(m->bus, m->event, 0);
622 return log_error_errno(r, "Failed to attach bus to event loop: %m");
627 static int manager_vt_switch(sd_event_source *src, const struct signalfd_siginfo *si, void *data) {
629 Session *active, *iter;
632 * We got a VT-switch signal and we have to acknowledge it immediately.
633 * Preferably, we'd just use m->seat0->active->vtfd, but unfortunately,
634 * old user-space might run multiple sessions on a single VT, *sigh*.
635 * Therefore, we have to iterate all sessions and find one with a vtfd
636 * on the requested VT.
637 * As only VTs with active controllers have VT_PROCESS set, our current
638 * notion of the active VT might be wrong (for instance if the switch
639 * happens while we setup VT_PROCESS). Therefore, read the current VT
640 * first and then use s->active->vtnr as reference. Note that this is
641 * not racy, as no further VT-switch can happen as long as we're in
642 * synchronous VT_PROCESS mode.
646 seat_read_active_vt(m->seat0);
648 active = m->seat0->active;
649 if (!active || active->vtnr < 1) {
650 log_warning("Received VT_PROCESS signal without a registered session on that VT.");
654 if (active->vtfd >= 0) {
655 session_leave_vt(active);
657 LIST_FOREACH(sessions_by_seat, iter, m->seat0->sessions) {
658 if (iter->vtnr == active->vtnr && iter->vtfd >= 0) {
659 session_leave_vt(iter);
668 static int manager_connect_console(Manager *m) {
672 assert(m->console_active_fd < 0);
674 /* On certain architectures (S390 and Xen, and containers),
675 /dev/tty0 does not exist, so don't fail if we can't open
677 if (access("/dev/tty0", F_OK) < 0)
680 m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
681 if (m->console_active_fd < 0) {
683 /* On some systems the device node /dev/tty0 may exist
684 * even though /sys/class/tty/tty0 does not. */
688 log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m");
692 r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
694 log_error("Failed to watch foreground console");
699 * SIGRTMIN is used as global VT-release signal, SIGRTMIN + 1 is used
700 * as VT-acquire signal. We ignore any acquire-events (yes, we still
701 * have to provide a valid signal-number for it!) and acknowledge all
702 * release events immediately.
705 if (SIGRTMIN + 1 > SIGRTMAX) {
706 log_error("Not enough real-time signals available: %u-%u", SIGRTMIN, SIGRTMAX);
710 assert_se(ignore_signals(SIGRTMIN + 1, -1) >= 0);
711 assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN, -1) >= 0);
713 r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m);
720 static int manager_connect_udev(Manager *m) {
724 assert(!m->udev_seat_monitor);
725 assert(!m->udev_device_monitor);
726 assert(!m->udev_vcsa_monitor);
727 assert(!m->udev_button_monitor);
729 m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
730 if (!m->udev_seat_monitor)
733 r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat");
737 r = udev_monitor_enable_receiving(m->udev_seat_monitor);
741 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);
745 m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
746 if (!m->udev_device_monitor)
749 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL);
753 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL);
757 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL);
761 r = udev_monitor_enable_receiving(m->udev_device_monitor);
765 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);
769 /* Don't watch keys if nobody cares */
770 if (m->handle_power_key != HANDLE_IGNORE ||
771 m->handle_suspend_key != HANDLE_IGNORE ||
772 m->handle_hibernate_key != HANDLE_IGNORE ||
773 m->handle_lid_switch != HANDLE_IGNORE ||
774 m->handle_lid_switch_docked != HANDLE_IGNORE) {
776 m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
777 if (!m->udev_button_monitor)
780 r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
784 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
788 r = udev_monitor_enable_receiving(m->udev_button_monitor);
792 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);
800 void manager_gc(Manager *m, bool drop_not_started) {
807 while ((seat = m->seat_gc_queue)) {
808 LIST_REMOVE(gc_queue, m->seat_gc_queue, seat);
809 seat->in_gc_queue = false;
811 if (!seat_check_gc(seat, drop_not_started)) {
812 seat_stop(seat, false);
817 while ((session = m->session_gc_queue)) {
818 LIST_REMOVE(gc_queue, m->session_gc_queue, session);
819 session->in_gc_queue = false;
821 /* First, if we are not closing yet, initiate stopping */
822 if (!session_check_gc(session, drop_not_started) &&
823 session_get_state(session) != SESSION_CLOSING)
824 session_stop(session, false);
826 /* Normally, this should make the session busy again,
827 * if it doesn't then let's get rid of it
829 if (!session_check_gc(session, drop_not_started)) {
830 session_finalize(session);
831 session_free(session);
835 while ((user = m->user_gc_queue)) {
836 LIST_REMOVE(gc_queue, m->user_gc_queue, user);
837 user->in_gc_queue = false;
839 /* First step: queue stop jobs */
840 if (!user_check_gc(user, drop_not_started))
841 user_stop(user, false);
843 /* Second step: finalize user */
844 if (!user_check_gc(user, drop_not_started)) {
851 static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) {
852 Manager *m = userdata;
853 struct dual_timestamp since;
859 if (m->idle_action == HANDLE_IGNORE ||
860 m->idle_action_usec <= 0)
863 n = now(CLOCK_MONOTONIC);
865 r = manager_get_idle_hint(m, &since);
867 /* Not idle. Let's check if after a timeout it might be idle then. */
868 elapse = n + m->idle_action_usec;
870 /* Idle! Let's see if it's time to do something, or if
871 * we shall sleep for longer. */
873 if (n >= since.monotonic + m->idle_action_usec &&
874 (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) {
875 log_info("System idle. Taking action.");
877 manager_handle_action(m, 0, m->idle_action, false, false);
878 m->idle_action_not_before_usec = n;
881 elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec;
884 if (!m->idle_action_event_source) {
886 r = sd_event_add_time(
888 &m->idle_action_event_source,
890 elapse, USEC_PER_SEC*30,
891 manager_dispatch_idle_action, m);
893 return log_error_errno(r, "Failed to add idle event source: %m");
895 r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
897 return log_error_errno(r, "Failed to set idle event source priority: %m");
899 r = sd_event_source_set_time(m->idle_action_event_source, elapse);
901 return log_error_errno(r, "Failed to set idle event timer: %m");
903 r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
905 return log_error_errno(r, "Failed to enable idle event timer: %m");
911 int manager_startup(Manager *m) {
917 Inhibitor *inhibitor;
922 /* Connect to console */
923 r = manager_connect_console(m);
927 /* Connect to udev */
928 r = manager_connect_udev(m);
930 return log_error_errno(r, "Failed to create udev watchers: %m");
932 /* Connect to the bus */
933 r = manager_connect_bus(m);
937 /* Instantiate magic seat 0 */
938 r = manager_add_seat(m, "seat0", &m->seat0);
940 return log_error_errno(r, "Failed to add seat0: %m");
942 r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec);
944 log_warning_errno(r, "Failed to set up lid switch ignore event source: %m");
946 /* Deserialize state */
947 r = manager_enumerate_devices(m);
949 log_warning_errno(r, "Device enumeration failed: %m");
951 r = manager_enumerate_seats(m);
953 log_warning_errno(r, "Seat enumeration failed: %m");
955 r = manager_enumerate_users(m);
957 log_warning_errno(r, "User enumeration failed: %m");
959 r = manager_enumerate_sessions(m);
961 log_warning_errno(r, "Session enumeration failed: %m");
963 r = manager_enumerate_inhibitors(m);
965 log_warning_errno(r, "Inhibitor enumeration failed: %m");
967 r = manager_enumerate_buttons(m);
969 log_warning_errno(r, "Button enumeration failed: %m");
971 /* Remove stale objects before we start them */
972 manager_gc(m, false);
974 /* And start everything */
975 HASHMAP_FOREACH(seat, m->seats, i)
978 HASHMAP_FOREACH(user, m->users, i)
981 HASHMAP_FOREACH(session, m->sessions, i)
982 session_start(session);
984 HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
985 inhibitor_start(inhibitor);
987 HASHMAP_FOREACH(button, m->buttons, i)
988 button_check_switches(button);
990 manager_dispatch_idle_action(NULL, 0, m);
995 int manager_run(Manager *m) {
1001 usec_t us = (uint64_t) -1;
1003 r = sd_event_get_state(m->event);
1006 if (r == SD_EVENT_FINISHED)
1009 manager_gc(m, true);
1011 if (manager_dispatch_delayed(m) > 0)
1014 if (m->action_what != 0) {
1017 x = now(CLOCK_MONOTONIC);
1018 y = m->action_timestamp + m->inhibit_delay_max;
1020 us = x >= y ? 0 : y - x;
1023 r = sd_event_run(m->event, us);
1029 static int manager_parse_config_file(Manager *m) {
1032 return config_parse_many("/etc/systemd/logind.conf",
1033 CONF_DIRS_NULSTR("systemd/logind.conf"),
1035 config_item_perf_lookup, logind_gperf_lookup,
1039 int main(int argc, char *argv[]) {
1043 log_set_target(LOG_TARGET_AUTO);
1044 log_set_facility(LOG_AUTH);
1045 log_parse_environment();
1051 log_error("This program takes no arguments.");
1056 /* Always create the directories people can create inotify
1057 * watches in. Note that some applications might check for the
1058 * existence of /run/systemd/seats/ to determine whether
1059 * logind is available, so please always make sure this check
1061 mkdir_label("/run/systemd", 0755);
1062 mkdir_label("/run/systemd/seats", 0755);
1063 mkdir_label("/run/systemd/users", 0755);
1064 mkdir_label("/run/systemd/sessions", 0755);
1065 mkdir_label("/run/systemd/machines", 0755);
1073 manager_parse_config_file(m);
1075 r = manager_startup(m);
1077 log_error_errno(r, "Failed to fully start up daemon: %m");
1081 log_debug("logind running as pid "PID_FMT, getpid());
1085 "STATUS=Processing requests...");
1089 log_debug("logind stopped as pid "PID_FMT, getpid());
1094 "STATUS=Shutting down...");
1099 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;