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 ||
82 m->kill_exclude_users = strv_new("root", NULL);
83 if (!m->kill_exclude_users) {
94 r = sd_event_default(&m->event);
100 sd_event_set_watchdog(m->event, true);
105 void manager_free(Manager *m) {
115 while ((session = hashmap_first(m->sessions)))
116 session_free(session);
118 while ((u = hashmap_first(m->users)))
121 while ((d = hashmap_first(m->devices)))
124 while ((s = hashmap_first(m->seats)))
127 while ((i = hashmap_first(m->inhibitors)))
130 while ((b = hashmap_first(m->buttons)))
133 hashmap_free(m->devices);
134 hashmap_free(m->seats);
135 hashmap_free(m->sessions);
136 hashmap_free(m->users);
137 hashmap_free(m->inhibitors);
138 hashmap_free(m->buttons);
140 hashmap_free(m->user_units);
141 hashmap_free(m->session_units);
143 set_free_free(m->busnames);
145 sd_event_source_unref(m->idle_action_event_source);
147 sd_event_source_unref(m->console_active_event_source);
148 sd_event_source_unref(m->udev_seat_event_source);
149 sd_event_source_unref(m->udev_device_event_source);
150 sd_event_source_unref(m->udev_vcsa_event_source);
151 sd_event_source_unref(m->udev_button_event_source);
153 if (m->console_active_fd >= 0)
154 close_nointr_nofail(m->console_active_fd);
156 if (m->udev_seat_monitor)
157 udev_monitor_unref(m->udev_seat_monitor);
158 if (m->udev_device_monitor)
159 udev_monitor_unref(m->udev_device_monitor);
160 if (m->udev_vcsa_monitor)
161 udev_monitor_unref(m->udev_vcsa_monitor);
162 if (m->udev_button_monitor)
163 udev_monitor_unref(m->udev_button_monitor);
168 bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry);
170 sd_bus_unref(m->bus);
171 sd_event_unref(m->event);
173 if (m->reserve_vt_fd >= 0)
174 close_nointr_nofail(m->reserve_vt_fd);
176 strv_free(m->kill_only_users);
177 strv_free(m->kill_exclude_users);
183 static int manager_enumerate_devices(Manager *m) {
184 struct udev_list_entry *item = NULL, *first = NULL;
185 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
190 /* Loads devices from udev and creates seats for them as
193 e = udev_enumerate_new(m->udev);
197 r = udev_enumerate_add_match_tag(e, "master-of-seat");
201 r = udev_enumerate_scan_devices(e);
205 first = udev_enumerate_get_list_entry(e);
206 udev_list_entry_foreach(item, first) {
207 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
210 d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
214 if (!udev_device_get_is_initialized(d))
217 k = manager_process_seat_device(m, d);
225 static int manager_enumerate_buttons(Manager *m) {
226 _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
227 struct udev_list_entry *item = NULL, *first = NULL;
232 /* Loads buttons from udev */
234 if (m->handle_power_key == HANDLE_IGNORE &&
235 m->handle_suspend_key == HANDLE_IGNORE &&
236 m->handle_hibernate_key == HANDLE_IGNORE &&
237 m->handle_lid_switch == 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_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 if (!udev_device_get_is_initialized(d))
268 k = manager_process_button_device(m, d);
276 static int manager_enumerate_seats(Manager *m) {
277 _cleanup_closedir_ DIR *d = NULL;
283 /* This loads data about seats stored on disk, but does not
284 * actually create any seats. Removes data of seats that no
287 d = opendir("/run/systemd/seats");
292 log_error("Failed to open /run/systemd/seats: %m");
296 FOREACH_DIRENT(de, d, return -errno) {
300 if (!dirent_is_file(de))
303 s = hashmap_get(m->seats, de->d_name);
305 unlinkat(dirfd(d), de->d_name, 0);
317 static int manager_enumerate_linger_users(Manager *m) {
318 _cleanup_closedir_ DIR *d = NULL;
324 d = opendir("/var/lib/systemd/linger");
329 log_error("Failed to open /var/lib/systemd/linger/: %m");
333 FOREACH_DIRENT(de, d, return -errno) {
336 if (!dirent_is_file(de))
339 k = manager_add_user_by_name(m, de->d_name, NULL);
341 log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k));
349 static int manager_enumerate_users(Manager *m) {
350 _cleanup_closedir_ DIR *d = NULL;
356 /* Add lingering users */
357 r = manager_enumerate_linger_users(m);
359 /* Read in user data stored on disk */
360 d = opendir("/run/systemd/users");
365 log_error("Failed to open /run/systemd/users: %m");
369 FOREACH_DIRENT(de, d, return -errno) {
372 if (!dirent_is_file(de))
375 k = manager_add_user_by_name(m, de->d_name, &u);
377 log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k));
383 user_add_to_gc_queue(u);
393 static int manager_enumerate_sessions(Manager *m) {
394 _cleanup_closedir_ DIR *d = NULL;
400 /* Read in session data stored on disk */
401 d = opendir("/run/systemd/sessions");
406 log_error("Failed to open /run/systemd/sessions: %m");
410 FOREACH_DIRENT(de, d, return -errno) {
414 if (!dirent_is_file(de))
417 if (!session_id_valid(de->d_name)) {
418 log_warning("Invalid session file name '%s', ignoring.", de->d_name);
423 k = manager_add_session(m, de->d_name, &s);
425 log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k));
431 session_add_to_gc_queue(s);
441 static int manager_enumerate_inhibitors(Manager *m) {
442 _cleanup_closedir_ DIR *d = NULL;
448 d = opendir("/run/systemd/inhibit");
453 log_error("Failed to open /run/systemd/inhibit: %m");
457 FOREACH_DIRENT(de, d, return -errno) {
461 if (!dirent_is_file(de))
464 k = manager_add_inhibitor(m, de->d_name, &i);
466 log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k));
471 k = inhibitor_load(i);
479 static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
480 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
481 Manager *m = userdata;
485 d = udev_monitor_receive_device(m->udev_seat_monitor);
489 manager_process_seat_device(m, d);
493 static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
494 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
495 Manager *m = userdata;
499 d = udev_monitor_receive_device(m->udev_device_monitor);
503 manager_process_seat_device(m, d);
507 static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
508 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
509 Manager *m = userdata;
514 d = udev_monitor_receive_device(m->udev_vcsa_monitor);
518 name = udev_device_get_sysname(d);
520 /* Whenever a VCSA device is removed try to reallocate our
521 * VTs, to make sure our auto VTs never go away. */
523 if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
524 seat_preallocate_vts(m->seat0);
529 static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
530 _cleanup_udev_device_unref_ struct udev_device *d = NULL;
531 Manager *m = userdata;
535 d = udev_monitor_receive_device(m->udev_button_monitor);
539 manager_process_button_device(m, d);
543 static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
544 Manager *m = userdata;
548 assert(m->console_active_fd == fd);
550 seat_read_active_vt(m->seat0);
554 static int manager_reserve_vt(Manager *m) {
555 _cleanup_free_ char *p = NULL;
559 if (m->reserve_vt <= 0)
562 if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0)
565 m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
566 if (m->reserve_vt_fd < 0) {
568 /* Don't complain on VT-less systems */
570 log_warning("Failed to pin reserved VT: %m");
577 static int manager_connect_bus(Manager *m) {
578 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
584 r = sd_bus_default_system(&m->bus);
586 log_error("Failed to connect to system bus: %s", strerror(-r));
590 r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
592 log_error("Failed to add manager object vtable: %s", strerror(-r));
596 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
598 log_error("Failed to add seat object vtable: %s", strerror(-r));
602 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
604 log_error("Failed to add seat enumerator: %s", strerror(-r));
608 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
610 log_error("Failed to add session object vtable: %s", strerror(-r));
614 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m);
616 log_error("Failed to add session enumerator: %s", strerror(-r));
620 r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
622 log_error("Failed to add user object vtable: %s", strerror(-r));
626 r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m);
628 log_error("Failed to add user enumerator: %s", strerror(-r));
632 r = sd_bus_add_match(m->bus,
634 "sender='org.freedesktop.DBus',"
635 "interface='org.freedesktop.DBus',"
636 "member='NameOwnerChanged',"
637 "path='/org/freedesktop/DBus'",
638 match_name_owner_changed, m);
640 log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r));
644 r = sd_bus_add_match(m->bus,
646 "sender='org.freedesktop.systemd1',"
647 "interface='org.freedesktop.systemd1.Manager',"
648 "member='JobRemoved',"
649 "path='/org/freedesktop/systemd1'",
650 match_job_removed, m);
652 log_error("Failed to add match for JobRemoved: %s", strerror(-r));
656 r = sd_bus_add_match(m->bus,
658 "sender='org.freedesktop.systemd1',"
659 "interface='org.freedesktop.systemd1.Manager',"
660 "member='UnitRemoved',"
661 "path='/org/freedesktop/systemd1'",
662 match_unit_removed, m);
664 log_error("Failed to add match for UnitRemoved: %s", strerror(-r));
668 r = sd_bus_add_match(m->bus,
670 "sender='org.freedesktop.systemd1',"
671 "interface='org.freedesktop.DBus.Properties',"
672 "member='PropertiesChanged'",
673 match_properties_changed, m);
675 log_error("Failed to add match for PropertiesChanged: %s", strerror(-r));
679 r = sd_bus_add_match(m->bus,
681 "sender='org.freedesktop.systemd1',"
682 "interface='org.freedesktop.systemd1.Manager',"
683 "member='Reloading',"
684 "path='/org/freedesktop/systemd1'",
687 log_error("Failed to add match for Reloading: %s", strerror(-r));
691 r = sd_bus_call_method(
693 "org.freedesktop.systemd1",
694 "/org/freedesktop/systemd1",
695 "org.freedesktop.systemd1.Manager",
700 log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
704 r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
706 log_error("Failed to register name: %s", strerror(-r));
710 r = sd_bus_attach_event(m->bus, m->event, 0);
712 log_error("Failed to attach bus to event loop: %s", strerror(-r));
719 static int manager_connect_console(Manager *m) {
723 assert(m->console_active_fd < 0);
725 /* On certain architectures (S390 and Xen, and containers),
726 /dev/tty0 does not exist, so don't fail if we can't open
728 if (access("/dev/tty0", F_OK) < 0)
731 m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
732 if (m->console_active_fd < 0) {
734 /* On some systems the device node /dev/tty0 may exist
735 * even though /sys/class/tty/tty0 does not. */
739 log_error("Failed to open /sys/class/tty/tty0/active: %m");
743 r = sd_event_add_io(m->event, m->console_active_fd, 0, manager_dispatch_console, m, &m->console_active_event_source);
745 log_error("Failed to watch foreground console");
752 static int manager_connect_udev(Manager *m) {
756 assert(!m->udev_seat_monitor);
757 assert(!m->udev_device_monitor);
758 assert(!m->udev_vcsa_monitor);
759 assert(!m->udev_button_monitor);
761 m->udev_seat_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
762 if (!m->udev_seat_monitor)
765 r = udev_monitor_filter_add_match_tag(m->udev_seat_monitor, "master-of-seat");
769 r = udev_monitor_enable_receiving(m->udev_seat_monitor);
773 r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_seat_monitor), EPOLLIN, manager_dispatch_seat_udev, m, &m->udev_seat_event_source);
777 m->udev_device_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
778 if (!m->udev_device_monitor)
781 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "input", NULL);
785 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "graphics", NULL);
789 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_device_monitor, "drm", NULL);
793 r = udev_monitor_enable_receiving(m->udev_device_monitor);
797 r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_device_monitor), EPOLLIN, manager_dispatch_device_udev, m, &m->udev_device_event_source);
801 /* Don't watch keys if nobody cares */
802 if (m->handle_power_key != HANDLE_IGNORE ||
803 m->handle_suspend_key != HANDLE_IGNORE ||
804 m->handle_hibernate_key != HANDLE_IGNORE ||
805 m->handle_lid_switch != HANDLE_IGNORE) {
807 m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
808 if (!m->udev_button_monitor)
811 r = udev_monitor_filter_add_match_tag(m->udev_button_monitor, "power-switch");
815 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_button_monitor, "input", NULL);
819 r = udev_monitor_enable_receiving(m->udev_button_monitor);
823 r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_button_monitor), EPOLLIN, manager_dispatch_button_udev, m, &m->udev_button_event_source);
828 /* Don't bother watching VCSA devices, if nobody cares */
829 if (m->n_autovts > 0 && m->console_active_fd >= 0) {
831 m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
832 if (!m->udev_vcsa_monitor)
835 r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL);
839 r = udev_monitor_enable_receiving(m->udev_vcsa_monitor);
843 r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m, &m->udev_vcsa_event_source);
851 void manager_gc(Manager *m, bool drop_not_started) {
858 while ((seat = m->seat_gc_queue)) {
859 LIST_REMOVE(gc_queue, m->seat_gc_queue, seat);
860 seat->in_gc_queue = false;
862 if (!seat_check_gc(seat, drop_not_started)) {
868 while ((session = m->session_gc_queue)) {
869 LIST_REMOVE(gc_queue, m->session_gc_queue, session);
870 session->in_gc_queue = false;
872 if (!session_check_gc(session, drop_not_started)) {
873 session_stop(session);
874 session_finalize(session);
875 session_free(session);
879 while ((user = m->user_gc_queue)) {
880 LIST_REMOVE(gc_queue, m->user_gc_queue, user);
881 user->in_gc_queue = false;
883 if (!user_check_gc(user, drop_not_started)) {
891 static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *userdata) {
892 Manager *m = userdata;
893 struct dual_timestamp since;
899 if (m->idle_action == HANDLE_IGNORE ||
900 m->idle_action_usec <= 0)
903 n = now(CLOCK_MONOTONIC);
905 r = manager_get_idle_hint(m, &since);
907 /* Not idle. Let's check if after a timeout it might be idle then. */
908 elapse = n + m->idle_action_usec;
910 /* Idle! Let's see if it's time to do something, or if
911 * we shall sleep for longer. */
913 if (n >= since.monotonic + m->idle_action_usec &&
914 (m->idle_action_not_before_usec <= 0 || n >= m->idle_action_not_before_usec + m->idle_action_usec)) {
915 log_info("System idle. Taking action.");
917 manager_handle_action(m, 0, m->idle_action, false, false);
918 m->idle_action_not_before_usec = n;
921 elapse = MAX(since.monotonic, m->idle_action_not_before_usec) + m->idle_action_usec;
924 if (!m->idle_action_event_source) {
926 r = sd_event_add_monotonic(m->event, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m, &m->idle_action_event_source);
928 log_error("Failed to add idle event source: %s", strerror(-r));
932 r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
934 log_error("Failed to set idle event source priority: %s", strerror(-r));
938 r = sd_event_source_set_time(m->idle_action_event_source, elapse);
940 log_error("Failed to set idle event timer: %s", strerror(-r));
944 r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
946 log_error("Failed to enable idle event timer: %s", strerror(-r));
954 int manager_startup(Manager *m) {
959 Inhibitor *inhibitor;
964 /* Connect to console */
965 r = manager_connect_console(m);
969 /* Connect to udev */
970 r = manager_connect_udev(m);
972 log_error("Failed to create udev watchers: %s", strerror(-r));
976 /* Connect to the bus */
977 r = manager_connect_bus(m);
981 /* Instantiate magic seat 0 */
982 r = manager_add_seat(m, "seat0", &m->seat0);
984 log_error("Failed to add seat0: %s", strerror(-r));
988 /* Deserialize state */
989 r = manager_enumerate_devices(m);
991 log_warning("Device enumeration failed: %s", strerror(-r));
993 r = manager_enumerate_seats(m);
995 log_warning("Seat enumeration failed: %s", strerror(-r));
997 r = manager_enumerate_users(m);
999 log_warning("User enumeration failed: %s", strerror(-r));
1001 r = manager_enumerate_sessions(m);
1003 log_warning("Session enumeration failed: %s", strerror(-r));
1005 r = manager_enumerate_inhibitors(m);
1007 log_warning("Inhibitor enumeration failed: %s", strerror(-r));
1009 r = manager_enumerate_buttons(m);
1011 log_warning("Button enumeration failed: %s", strerror(-r));
1013 /* Remove stale objects before we start them */
1014 manager_gc(m, false);
1016 /* Reserve the special reserved VT */
1017 manager_reserve_vt(m);
1019 /* And start everything */
1020 HASHMAP_FOREACH(seat, m->seats, i)
1023 HASHMAP_FOREACH(user, m->users, i)
1026 HASHMAP_FOREACH(session, m->sessions, i)
1027 session_start(session);
1029 HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
1030 inhibitor_start(inhibitor);
1032 manager_dispatch_idle_action(NULL, 0, m);
1037 static int manager_recheck_buttons(Manager *m) {
1044 HASHMAP_FOREACH(b, m->buttons, i) {
1047 q = button_recheck(b);
1057 int manager_run(Manager *m) {
1063 usec_t us = (uint64_t) -1;
1065 r = sd_event_get_state(m->event);
1068 if (r == SD_EVENT_FINISHED)
1071 manager_gc(m, true);
1073 if (manager_dispatch_delayed(m) > 0)
1076 if (manager_recheck_buttons(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);
1096 static int manager_parse_config_file(Manager *m) {
1097 static const char fn[] = "/etc/systemd/logind.conf";
1098 _cleanup_fclose_ FILE *f = NULL;
1103 f = fopen(fn, "re");
1105 if (errno == ENOENT)
1108 log_warning("Failed to open configuration file %s: %m", fn);
1112 r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup,
1113 (void*) logind_gperf_lookup, false, false, m);
1115 log_warning("Failed to parse configuration file: %s", strerror(-r));
1120 int main(int argc, char *argv[]) {
1124 log_set_target(LOG_TARGET_AUTO);
1125 log_set_facility(LOG_AUTH);
1126 log_parse_environment();
1132 log_error("This program takes no arguments.");
1137 /* Always create the directories people can create inotify
1138 * watches in. Note that some applications might check for the
1139 * existence of /run/systemd/seats/ to determine whether
1140 * logind is available, so please always make sure this check
1142 mkdir_label("/run/systemd/seats", 0755);
1143 mkdir_label("/run/systemd/users", 0755);
1144 mkdir_label("/run/systemd/sessions", 0755);
1152 manager_parse_config_file(m);
1154 r = manager_startup(m);
1156 log_error("Failed to fully start up daemon: %s", strerror(-r));
1160 log_debug("systemd-logind running as pid %lu", (unsigned long) getpid());
1164 "STATUS=Processing requests...");
1168 log_debug("systemd-logind stopped as pid %lu", (unsigned long) getpid());
1172 "STATUS=Shutting down...");
1177 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;