blob: a986f009ab66d36a7d25132cd4369995f62fa223 (
plain)
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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
#!/bin/bash
#
# halt This file is executed by init when it goes into runlevel
# 0 (halt) or runlevel 6 (reboot). It kills all processes,
# unmounts file systems and then either halts or reboots.
#
# Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
# Modified for RHS Linux by Damien Neil
#
NOLOCALE=1
. /etc/init.d/functions
UMOUNT="umount"
[ ! -w /etc ] && UMOUNT="umount -n"
action() {
echo -n "$1 "
shift
if [ "$BOOTUP" = "color" ]; then
"$@" && echo_success || echo_failure
else
"$@"
fi
echo
}
halt_crypto() {
fnval=0
while read dst src key; do
[ -z "$dst" -o "${dst#\#}" != "$dst" ] && continue
if [ -b "/dev/mapper/$dst" ]; then
if /sbin/dmsetup info "$dst" | grep -q '^Open count: *0$'; then
action $"Stopping disk encryption for $dst" /sbin/cryptsetup remove "$dst"
else
fnval=1
fi
fi
done < /etc/crypttab
return $fnval
}
# See how we were called.
case "$0" in
*halt)
message=$"Halting system..."
command="/sbin/halt"
;;
*reboot)
message=$"Please stand by while rebooting the system..."
command="/sbin/reboot"
kexec_command="/sbin/kexec"
;;
*)
echo $"$0: call me as 'halt' or 'reboot' please!"
exit 1
;;
esac
case "$1" in
*start)
;;
*)
echo $"Usage: $0 {start}"
exit 1
;;
esac
# Kill all processes.
[ "${BASH+bash}" = bash ] && enable kill
action $"Sending all processes the TERM signal..." /sbin/killall5 -15
sleep 2
action $"Sending all processes the KILL signal..." /sbin/killall5 -9
# Write to wtmp file before unmounting /var
/sbin/halt -w
# Save mixer settings, here for lack of a better place.
if [ -s /etc/alsa/alsactl.conf -a -x /sbin/alsactl ]; then
action $"Saving mixer settings" /sbin/alsactl -E ALSA_CONFIG_PATH=/etc/alsa/alsactl.conf --ignore store
fi
# Save random seed
touch /var/lib/random-seed
chmod 600 /var/lib/random-seed
action $"Saving random seed: " dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=512 2>/dev/null
[ -x /sbin/hwclock ] && action $"Syncing hardware clock to system time" /sbin/hwclock --systohc
# Try to unmount tmpfs filesystems to avoid swapping them in. Ignore failures.
tmpfs=$(awk '$2 ~ /^\/($|proc|dev)/ { next; }
$3 == "tmpfs" { print $2; }' /proc/mounts | sort -r)
[ -n "$tmpfs" ] && fstab-decode $UMOUNT $tmpfs 2>/dev/null
# Turn off swap, then unmount file systems.
[ -f /proc/swaps ] && SWAPS=`awk '! /^Filename/ { print $1 }' /proc/swaps`
if [ -n "$SWAPS" ]; then
action $"Turning off swap: " swapoff $SWAPS
for dst in $SWAPS; do
if [[ "$dst" =~ ^/dev/mapper ]] \
&& [ "$(dmsetup status "$dst" | cut -d ' ' -f 3)" = crypt ]; then
backdev=$(/sbin/cryptsetup status "$dst" \
| awk '$1 == "device:" { print $2 }')
/sbin/cryptsetup remove "$dst"
fi
done
fi
[ -x /sbin/quotaoff ] && action $"Turning off quotas: " /sbin/quotaoff -aug
# Unmount file systems, killing processes if we have to.
# Unmount loopback stuff first
__umount_loopback_loop
# Unmount RPC pipe file systems
__umount_loop '$3 ~ /^rpc_pipefs$/ || $3 ~ /^rpc_svc_gss_pipefs$/ {print $2}' \
/proc/mounts \
$"Unmounting pipe file systems: " \
$"Unmounting pipe file systems (retry): " \
-f
LANG=C __umount_loop '$2 ~ /^\/$|^\/proc|^\/dev/{next}
$3 == "tmpfs" || $3 == "proc" {print $2 ; next}
/(loopfs|autofs|nfs|cifs|smbfs|ncpfs|sysfs|^none|^\/dev\/ram|^\/dev\/root$)/ {next}
{print $2}' /proc/mounts \
$"Unmounting file systems: " \
$"Unmounting file systems (retry): " \
-f
[ -f /proc/bus/usb/devices ] && $UMOUNT /proc/bus/usb
[ -f /etc/crypttab ] && halt_crypto
# remove the crash indicator flag
rm -f /.autofsck
# Try all file systems other than root, essential filesystems and RAM disks,
# one last time.
awk '$2 !~ /\/(|dev|proc|selinux|sys)$/ && $1 !~ /^\/dev\/ram/ { print $2 }' \
/proc/mounts | sort -r | \
while read line; do
fstab-decode $UMOUNT -f $line
done
if [ -x /sbin/halt.local ]; then
/sbin/halt.local
fi
# Remount read only anything that's left mounted.
# echo $"Remounting remaining filesystems readonly"
mount | awk '{ print $3 }' | while read line; do
fstab-decode mount -n -o ro,remount $line
done
# Now halt or reboot.
echo $"$message"
if [ -f /fastboot ]; then
echo $"On the next boot fsck will be skipped."
elif [ -f /forcefsck ]; then
echo $"On the next boot fsck will be forced."
fi
# Shutdown UPS drivers
if [ "$command" = /sbin/halt -a -f /etc/sysconfig/ups ]; then
. /etc/sysconfig/ups
if [ -z $POWERDOWNFLAG ]; then
POWERDOWNFLAG=/etc/killpower
fi
if [ "$SERVER" = "yes" -a -f $POWERDOWNFLAG ]; then
/sbin/upsdrvctl shutdown
fi
fi
# First, try kexec. If that fails, fall back to rebooting the old way.
[ -n "$kexec_command" ] && $kexec_command -e -x >& /dev/null
HALTARGS="-d"
[ "$INIT_HALT" != "HALT"] && HALTARGS="$HALTARGS -p"
exec $command $HALTARGS
|
