95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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Copyright 2012 Michael Olbrich
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/reboot.h>
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#include <linux/reboot.h>
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#include <sys/syscall.h>
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#include "bus-util.h"
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#include "bus-error.h"
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#include "special.h"
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#include "failure-action.h"
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int failure_action(
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Manager *m,
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FailureAction action,
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const char *reboot_arg) {
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int r;
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assert(m);
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assert(action >= 0);
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assert(action < _FAILURE_ACTION_MAX);
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switch (action) {
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case FAILURE_ACTION_NONE:
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break;
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case FAILURE_ACTION_REBOOT: {
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_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
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log_warning("Rebooting as result of failure.");
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update_reboot_param_file(reboot_arg);
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r = manager_add_job_by_name(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL);
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if (r < 0)
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log_error("Failed to reboot: %s.", bus_error_message(&error, r));
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break;
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}
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case FAILURE_ACTION_REBOOT_FORCE:
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log_warning("Forcibly rebooting as result of failure.");
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update_reboot_param_file(reboot_arg);
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m->exit_code = MANAGER_REBOOT;
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break;
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case FAILURE_ACTION_REBOOT_IMMEDIATE:
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log_warning("Rebooting immediately as result of failure.");
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sync();
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if (reboot_arg) {
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log_info("Rebooting with argument '%s'.", reboot_arg);
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syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, reboot_arg);
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}
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log_info("Rebooting.");
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reboot(RB_AUTOBOOT);
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break;
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default:
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assert_not_reached("Unknown failure action");
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}
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return -ECANCELED;
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}
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static const char* const failure_action_table[_FAILURE_ACTION_MAX] = {
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[FAILURE_ACTION_NONE] = "none",
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[FAILURE_ACTION_REBOOT] = "reboot",
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[FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
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[FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate"
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};
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DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);
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