source: trunk/minix/etc/usr/rc@ 9

Last change on this file since 9 was 9, checked in by Mattia Monga, 14 years ago

Minix 3.1.2a

File size: 4.0 KB
RevLine 
[9]1# /usr/etc/rc - continued system initialization.
2
3RANDOM_FILE=/usr/adm/random.dat
4LOCAL_FILE=/usr/etc/rc.local
5
6case "$#:$1" in
71:start|1:stop|1:down)
8 action=$1
9 ;;
10*) echo >&2 "Usage: $0 start|stop|down"
11 exit 1
12esac
13
14if [ -f "$LOCAL_FILE" ]
15then . "$LOCAL_FILE" $1
16fi
17
18disabled()
19{
20 ifs="$IFS"; IFS=,
21 for skip in `sysenv disable`
22 do
23 if [ "$skip" = "$1" ]
24 then
25 IFS="$ifs"; unset ifs
26 return 0
27 fi
28 done
29 IFS="$ifs"; unset ifs
30 return 1
31}
32
33daemonize()
34{
35 # Function to start a daemon, if it exists.
36 local IFS=':'
37 local name="$1"
38 test "$1" = tcpd && name="$2"
39
40 for dir in $PATH
41 do
42 if [ -f "$dir/$1" ]
43 then
44
45 # check if this service is disabled at the boot monitor.
46 if disabled $name; then return; fi
47
48 echo -n " $name"
49 "$@" &
50 return
51 fi
52 done
53}
54
55up()
56{
57 service=$1
58 shift
59
60 # Function to dynamically start a system service
61
62 # First check if this service is disabled at the boot monitor.
63 if disabled $service; then return; fi
64
65 # Service is not disabled. Try to bring it up.
66 echo -n " $service"
67 service up /usr/sbin/$service "$@"
68}
69
70
71DAEMONS=/etc/rc.daemons
72
73case $action in
74start)
75 # Select console font.
76 test -f /etc/font && loadfont /etc/font </dev/console
77
78 # Cleanup.
79 rm -rf /tmp/. /usr/run/. /usr/spool/lpd/. /usr/spool/locks/.
80
81 # Start servers and drivers set at the boot monitor.
82 echo -n "Starting services:"
83 up random -dev /dev/random -period 3HZ
84
85 # load random number generator
86 if [ -f $RANDOM_FILE ]
87 then
88 cat < $RANDOM_FILE >/dev/random
89 # overwrite $RANDOM_FILE. We don't want to use this data again
90 dd if=/dev/random of=$RANDOM_FILE bs=1024 count=1 2> /dev/null
91 fi
92
93 # start only network drivers that are in use
94 for driver in lance rtl8139 fxp dpeth dp8390
95 do
96 if grep " $driver " /etc/inet.conf > /dev/null 2>&1
97 then
98 eval arg=\$${driver}_arg
99 if [ ! -z "$arg" ]; then arg="-args \"$arg\""; fi
100 eval up $driver $arg -period 5HZ
101 fi
102 done
103 up inet
104 up printer -dev /dev/lp -period 10HZ
105 echo .
106
107 # Network initialization.
108 (: </dev/tcp) 2>/dev/null && net=t # Is there a TCP/IP server?
109
110 echo -n "Starting daemons:"
111 daemonize update
112
113 # Ugly error message when starting cron from CD.
114 # (and cron unnecessary then so..)
115 if [ ! -f /CD ]
116 then daemonize cron
117 else mkdir /tmp/log
118 rm -f /var/log || true
119 ln -s /tmp/log /var/log || true
120 . /etc/rc.cd
121 fi
122 # syslogd has not been started yet
123 rm -f /var/run/syslogd.pid
124 daemonize syslogd
125 echo .
126
127 if [ "$net" ]
128 then
129 if [ -f /etc/rc.net ]
130 then
131 # Let a customized TCP/IP initialization script figure it out.
132 . /etc/rc.net
133 else
134 # Standard network daemons.
135 echo -n "Starting networking:"
136 if grep -s 'psip0.*default' /etc/inet.conf
137 then ifconfig -h 10.0.0.1
138 else daemonize dhcpd
139 fi
140 daemonize nonamed -L
141 if [ -f "$DAEMONS" ]
142 then . "$DAEMONS"
143 fi
144 # The last daemon has been started, so close the list:
145 echo .
146 fi
147 fi
148
149 if [ "$net" ]
150 then
151 # Get the nodename from the DNS and set it.
152 trap '' 2
153 intr -t 20 hostaddr -h || echo "Unable to obtain an IP address."
154 trap 2
155 fi
156
157 # Recover files being edited when the system crashed.
158 test -f /usr/bin/elvprsv && elvprsv /usr/tmp/elv*
159
160 # Run the daily cleanup on systems that are not on at night.
161 test -f /usr/etc/daily && sh /usr/etc/daily boot &
162
163;;
164stop|down)
165 # Save random data, if /usr is mounted rw.
166 if grep ' \/usr .*rw' /etc/mtab >/dev/null
167 then
168 if dd if=/dev/random of=$RANDOM_FILE.new bs=1024 count=1 2>/dev/null
169 then
170 mv $RANDOM_FILE.new $RANDOM_FILE
171 else
172 echo 'Failed to save random data.'
173 fi
174 fi
175esac
176
177d=/usr/local/etc/rc.d
178# Let packages run their own scripts
179if [ -d "$d" ]
180then if cd $d
181 then
182 echo -n "Local packages ($action): "
183 for f in *
184 do
185 if [ -x "$f" ]
186 then echo -n "$f "
187 sh "$f" "$action"
188 fi
189 done
190 echo " done."
191 fi
192fi
193
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