1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2012 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/>.
24 #include <systemd/sd-messages.h>
26 #include "conf-parser.h"
28 #include "dbus-common.h"
29 #include "logind-action.h"
31 int manager_handle_action(
33 InhibitWhat inhibit_key,
35 bool ignore_inhibited,
38 static const char * const message_table[_HANDLE_ACTION_MAX] = {
39 [HANDLE_POWEROFF] = "Powering Off...",
40 [HANDLE_REBOOT] = "Rebooting...",
41 [HANDLE_HALT] = "Halting...",
42 [HANDLE_KEXEC] = "Rebooting via kexec...",
43 [HANDLE_SUSPEND] = "Suspending...",
44 [HANDLE_HIBERNATE] = "Hibernating...",
45 [HANDLE_HYBRID_SLEEP] = "Hibernating and suspending..."
48 static const char * const target_table[_HANDLE_ACTION_MAX] = {
49 [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
50 [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
51 [HANDLE_HALT] = SPECIAL_HALT_TARGET,
52 [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
53 [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
54 [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
55 [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET
60 InhibitWhat inhibit_operation;
66 log_debug("Action already in progress, ignoring.");
70 /* If the key handling is turned off, don't do anything */
71 if (handle == HANDLE_IGNORE) {
72 log_debug("Refusing operation, as it is turned off.");
76 if (handle == HANDLE_SUSPEND)
77 supported = can_sleep("mem") > 0;
78 else if (handle == HANDLE_HIBERNATE)
79 supported = can_sleep("disk") > 0;
80 else if (handle == HANDLE_HYBRID_SLEEP)
81 supported = can_sleep("disk") > 0 && can_sleep_disk("suspend") > 0;
82 else if (handle == HANDLE_KEXEC)
83 supported = access("/sbin/kexec", X_OK) >= 0;
88 log_warning("Requested operation not supported, ignoring.");
92 /* If the key handling is inhibited, don't do anything */
93 if (inhibit_key > 0) {
94 if (manager_is_inhibited(m, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) {
95 log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_key));
100 /* Locking is handled differently from the rest. */
101 if (handle == HANDLE_LOCK) {
102 log_info("Locking sessions...");
103 session_send_lock_all(m, true);
107 inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
109 /* If the actual operation is inhibited, warn and fail */
110 if (!ignore_inhibited &&
111 manager_is_inhibited(m, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) {
113 /* If this is just a recheck of the lid switch then don't warn about anything */
115 log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
119 log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
124 log_info("%s", message_table[handle]);
126 dbus_error_init(&error);
127 r = bus_manager_shutdown_or_sleep_now_or_later(m, target_table[handle], inhibit_operation, &error);
129 log_error("Failed to execute operation: %s", bus_error_message(&error));
130 dbus_error_free(&error);
137 static const char* const handle_action_table[_HANDLE_ACTION_MAX] = {
138 [HANDLE_IGNORE] = "ignore",
139 [HANDLE_POWEROFF] = "poweroff",
140 [HANDLE_REBOOT] = "reboot",
141 [HANDLE_HALT] = "halt",
142 [HANDLE_KEXEC] = "kexec",
143 [HANDLE_SUSPEND] = "suspend",
144 [HANDLE_HIBERNATE] = "hibernate",
145 [HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
146 [HANDLE_LOCK] = "lock"
149 DEFINE_STRING_TABLE_LOOKUP(handle_action, HandleAction);
150 DEFINE_CONFIG_PARSE_ENUM(config_parse_handle_action, handle_action, HandleAction, "Failed to parse handle action setting");