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"
35 const char *reboot_arg) {
41 assert(action < _FAILURE_ACTION_MAX);
43 if (action == FAILURE_ACTION_NONE)
46 if (m->running_as == SYSTEMD_USER) {
47 /* Downgrade all options to simply exiting if we run
50 log_warning("Exiting as result of failure.");
51 m->exit_code = MANAGER_EXIT;
57 case FAILURE_ACTION_REBOOT: {
58 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
60 log_warning("Rebooting as result of failure.");
62 update_reboot_param_file(reboot_arg);
63 r = manager_add_job_by_name(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
65 log_error("Failed to reboot: %s.", bus_error_message(&error, r));
70 case FAILURE_ACTION_REBOOT_FORCE:
71 log_warning("Forcibly rebooting as result of failure.");
72 update_reboot_param_file(reboot_arg);
73 m->exit_code = MANAGER_REBOOT;
76 case FAILURE_ACTION_REBOOT_IMMEDIATE:
77 log_warning("Rebooting immediately as result of failure.");
82 log_info("Rebooting with argument '%s'.", reboot_arg);
83 syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, reboot_arg);
86 log_info("Rebooting.");
90 case FAILURE_ACTION_POWEROFF: {
91 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
93 log_warning("Powering off as result of failure.");
95 r = manager_add_job_by_name(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE, true, &error, NULL);
97 log_error("Failed to poweroff: %s.", bus_error_message(&error, r));
102 case FAILURE_ACTION_POWEROFF_FORCE:
103 log_warning("Forcibly powering off as result of failure.");
104 m->exit_code = MANAGER_POWEROFF;
107 case FAILURE_ACTION_POWEROFF_IMMEDIATE:
108 log_warning("Powering off immediately as result of failure.");
112 log_info("Powering off.");
113 reboot(RB_POWER_OFF);
117 assert_not_reached("Unknown failure action");
123 static const char* const failure_action_table[_FAILURE_ACTION_MAX] = {
124 [FAILURE_ACTION_NONE] = "none",
125 [FAILURE_ACTION_REBOOT] = "reboot",
126 [FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
127 [FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate",
128 [FAILURE_ACTION_POWEROFF] = "poweroff",
129 [FAILURE_ACTION_POWEROFF_FORCE] = "poweroff-force",
130 [FAILURE_ACTION_POWEROFF_IMMEDIATE] = "poweroff-immediate"
132 DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);