1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
Copyright 2012 Michael Olbrich
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <sys/reboot.h>
#include <linux/reboot.h>
#include "bus-error.h"
#include "bus-util.h"
#include "failure-action.h"
#include "special.h"
#include "string-table.h"
#include "terminal-util.h"
static void log_and_status(Manager *m, const char *message) {
log_warning("%s", message);
manager_status_printf(m, STATUS_TYPE_EMERGENCY,
ANSI_HIGHLIGHT_RED " !! " ANSI_NORMAL,
"%s", message);
}
int failure_action(
Manager *m,
FailureAction action,
const char *reboot_arg) {
int r;
assert(m);
assert(action >= 0);
assert(action < _FAILURE_ACTION_MAX);
if (action == FAILURE_ACTION_NONE)
return -ECANCELED;
if (m->running_as == MANAGER_USER) {
/* Downgrade all options to simply exiting if we run
* in user mode */
log_warning("Exiting as result of failure.");
m->exit_code = MANAGER_EXIT;
return -ECANCELED;
}
switch (action) {
case FAILURE_ACTION_REBOOT: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
log_and_status(m, "Rebooting as result of failure.");
update_reboot_param_file(reboot_arg);
r = manager_add_job_by_name(m, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, &error, NULL);
if (r < 0)
log_error("Failed to reboot: %s.", bus_error_message(&error, r));
break;
}
case FAILURE_ACTION_REBOOT_FORCE:
log_and_status(m, "Forcibly rebooting as result of failure.");
update_reboot_param_file(reboot_arg);
m->exit_code = MANAGER_REBOOT;
break;
case FAILURE_ACTION_REBOOT_IMMEDIATE:
log_and_status(m, "Rebooting immediately as result of failure.");
sync();
if (reboot_arg) {
log_info("Rebooting with argument '%s'.", reboot_arg);
syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, reboot_arg);
}
log_info("Rebooting.");
reboot(RB_AUTOBOOT);
break;
case FAILURE_ACTION_POWEROFF: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
log_and_status(m, "Powering off as result of failure.");
r = manager_add_job_by_name(m, JOB_START, SPECIAL_POWEROFF_TARGET, JOB_REPLACE, &error, NULL);
if (r < 0)
log_error("Failed to poweroff: %s.", bus_error_message(&error, r));
break;
}
case FAILURE_ACTION_POWEROFF_FORCE:
log_and_status(m, "Forcibly powering off as result of failure.");
m->exit_code = MANAGER_POWEROFF;
break;
case FAILURE_ACTION_POWEROFF_IMMEDIATE:
log_and_status(m, "Powering off immediately as result of failure.");
sync();
log_info("Powering off.");
reboot(RB_POWER_OFF);
break;
default:
assert_not_reached("Unknown failure action");
}
return -ECANCELED;
}
static const char* const failure_action_table[_FAILURE_ACTION_MAX] = {
[FAILURE_ACTION_NONE] = "none",
[FAILURE_ACTION_REBOOT] = "reboot",
[FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
[FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate",
[FAILURE_ACTION_POWEROFF] = "poweroff",
[FAILURE_ACTION_POWEROFF_FORCE] = "poweroff-force",
[FAILURE_ACTION_POWEROFF_IMMEDIATE] = "poweroff-immediate"
};
DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);
|
