1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2014 Lennart Poettering
7 Copyright 2012 Michael Olbrich
9 systemd is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as published by
11 the Free Software Foundation; either version 2.1 of the License, or
12 (at your option) any later version.
14 systemd is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/reboot.h>
24 #include <linux/reboot.h>
25 #include <sys/syscall.h>
28 #include "bus-error.h"
30 #include "failure-action.h"
32 static void log_and_status(Manager *m, const char *message) {
33 log_warning("%s", message);
34 manager_status_printf(m, STATUS_TYPE_EMERGENCY,
35 ANSI_HIGHLIGHT_RED_ON " !! " ANSI_HIGHLIGHT_OFF,
42 const char *reboot_arg) {
48 assert(action < _FAILURE_ACTION_MAX);
50 if (action == FAILURE_ACTION_NONE)
53 if (m->running_as == SYSTEMD_USER) {
54 /* Downgrade all options to simply exiting if we run
57 log_warning("Exiting as result of failure.");
58 m->exit_code = MANAGER_EXIT;
64 case FAILURE_ACTION_REBOOT: {
65 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
67 log_and_status(m, "Rebooting as result of failure.");
69 update_reboot_param_file(reboot_arg);
70 r = manager_add_job_by_name(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
72 log_error("Failed to reboot: %s.", bus_error_message(&error, r));
77 case FAILURE_ACTION_REBOOT_FORCE:
78 log_and_status(m, "Forcibly rebooting as result of failure.");
80 update_reboot_param_file(reboot_arg);
81 m->exit_code = MANAGER_REBOOT;
84 case FAILURE_ACTION_REBOOT_IMMEDIATE:
85 log_and_status(m, "Rebooting immediately as result of failure.");
90 log_info("Rebooting with argument '%s'.", reboot_arg);
91 syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, reboot_arg);
94 log_info("Rebooting.");
98 case FAILURE_ACTION_POWEROFF: {
99 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
101 log_and_status(m, "Powering off as result of failure.");
103 r = manager_add_job_by_name(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE, true, &error, NULL);
105 log_error("Failed to poweroff: %s.", bus_error_message(&error, r));
110 case FAILURE_ACTION_POWEROFF_FORCE:
111 log_and_status(m, "Forcibly powering off as result of failure.");
112 m->exit_code = MANAGER_POWEROFF;
115 case FAILURE_ACTION_POWEROFF_IMMEDIATE:
116 log_and_status(m, "Powering off immediately as result of failure.");
120 log_info("Powering off.");
121 reboot(RB_POWER_OFF);
125 assert_not_reached("Unknown failure action");
131 static const char* const failure_action_table[_FAILURE_ACTION_MAX] = {
132 [FAILURE_ACTION_NONE] = "none",
133 [FAILURE_ACTION_REBOOT] = "reboot",
134 [FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
135 [FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate",
136 [FAILURE_ACTION_POWEROFF] = "poweroff",
137 [FAILURE_ACTION_POWEROFF_FORCE] = "poweroff-force",
138 [FAILURE_ACTION_POWEROFF_IMMEDIATE] = "poweroff-immediate"
140 DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);