Magellan Linux

Annotation of /trunk/magellan-initscripts/etc/rc.d/init.d/rc

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Revision 319 - (hide annotations) (download)
Tue Jan 3 18:07:43 2006 UTC (18 years, 4 months ago) by niro
File size: 10744 byte(s)
added missing udev_version function

1 niro 2 #!/bin/bash
2 niro 319 # $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/rc,v 1.7 2006-01-03 18:07:43 niro Exp $
3 niro 2
4     source /etc/sysconfig/rc
5     source $rc_functions
6    
7 niro 50 # get mage version
8     MAGEVER="$(< /etc/mageversion)"
9 niro 2
10 niro 150 # source kernel config if exists
11 niro 2 [ -f /etc/conf.d/kernel ] && source /etc/conf.d/kernel
12    
13 niro 319 udev_version()
14     {
15     local version=0
16    
17     if [[ -x /sbin/udev ]]
18     then
19     version=$(/sbin/udev -V)
20     # We need it without a leading '0', else bash do the wrong thing
21     version=${version##0}
22     # Older udev's will print nothing
23     [[ -z ${version} ]] && version=0
24     fi
25    
26     echo "${version}"
27     }
28    
29 niro 318 # this works only for 2.6.15 kernels and greater
30     trigger_events()
31     {
32     local list=""
33     local i
34     local first
35     local last
36     local default
37    
38     # if you want real hotplug (with all modules being loaded for all
39     # devices in the system), uncomment out the next line.
40     #list="$list $(echo /sys/bus/*/devices/*/uevent)"
41     list="${list} $(echo /sys/class/*/*/uevent)"
42     list="${list} $(echo /sys/block/*/uevent /sys/block/*/*/uevent)"
43     for i in ${list}
44     do
45     case "${i}" in
46     */device/uevent)
47     # skip followed device symlinks
48     continue
49     ;;
50     */class/mem/*|*/class/tty/*)
51     first="${first} ${i}"
52     ;;
53     */block/md*)
54     last="${last} ${i}"
55     ;;
56     */*)
57     default="${default} ${i}"
58     ;;
59     esac
60     done
61    
62     # trigger the sorted events
63     for i in ${first} ${default} ${last}
64     do
65     echo "add" > "${i}"
66     done
67     }
68    
69 niro 319 populate_udev()
70     {
71 niro 318 local loop
72    
73     # populate /dev with devices already found by the kernel
74     if [ "$(kernel_version | sed 's:\.::g')" -gt "2614" ]
75     then
76     echo -e ${COLOREDSTAR}" Populating /dev with existing devices through uevents ..."
77     trigger_events
78     evaluate_retval
79     else
80     echo -e ${COLOREDSTAR}" Populating /dev with existing devices with udevstart ..."
81 niro 2 /sbin/udevstart
82 niro 318 evaluate_retval
83     fi
84 niro 2
85 niro 318 # loop until everything is finished
86     # there's gotta be a better way...
87     echo -e ${COLOREDSTAR}" Letting udev process events ..."
88     loop=0
89     while test -d /dev/.udev/queue
90     do
91     sleep 0.1;
92     test "${loop}" -gt 300 && break
93     loop=$((${loop} + 1))
94     done
95     evaluate_retval
96    
97     return 0
98     }
99    
100 niro 319 seed_dev()
101     {
102 niro 318 # seed /dev with some things that we know we need
103     echo -e ${COLOREDSTAR}" Seeding /dev with needed nodes ..."
104     (
105     # copy over any persistant things
106     cp --preserve=all --recursive --update /lib/udev/devices/* /dev
107    
108 niro 150 # not provided by sysfs but needed
109 niro 2 ln -snf /proc/self/fd /dev/fd
110     ln -snf fd/0 /dev/stdin
111     ln -snf fd/1 /dev/stdout
112     ln -snf fd/2 /dev/stderr
113 niro 318 [[ -e /proc/kcore ]] && ln -snf /proc/kcore /dev/core
114    
115 niro 150 # create problematic directories
116 niro 2 mkdir -p /dev/{pts,shm}
117 niro 318 )
118     evaluate_retval
119     }
120 niro 2
121 niro 318 # # some needed functions functions
122     # populate_udev() {
123     # /sbin/udevstart
124     #
125     # # not provided by sysfs but needed
126     # ln -snf /proc/self/fd /dev/fd
127     # ln -snf fd/0 /dev/stdin
128     # ln -snf fd/1 /dev/stdout
129     # ln -snf fd/2 /dev/stderr
130     # ln -snf /proc/kcore /dev/core
131     # ln -snf /proc/asound/oss/sndstat /dev/sndstat
132     #
133     # # create problematic directories
134     # mkdir -p /dev/{pts,shm}
135     #
136     # # same as /dev/.devfsd
137     # touch /dev/.udev
138     #
139     # return 0
140     # }
141 niro 71
142 niro 2 trap "" INT QUIT TSTP
143    
144     [ "$1" != "" ] && runlevel=$1
145    
146 niro 150 if [[ $runlevel = sysinit ]]
147 niro 2 then
148     echo
149     echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
150 niro 150 echo -e "Copyright 2001-2005 Niels Rogalla; http://magellan-linux.net"
151 niro 2 echo
152    
153 niro 150 # mount proc filesystem, needed for bootsplash;
154     # no use of '/etc/rc.d/init.d/mountproc' anymore
155 niro 2 if [ ! -e /proc/mounts ]
156     then
157     echo -e ${COLOREDSTAR}"Mounting proc file system ..."
158     mount -n /proc
159     evaluate_retval
160     fi
161    
162 niro 150 # set default verbose level for kernel messages
163 niro 2 [ -z "${RC_VERBOSE_LEVEL}" ] && RC_VERBOSE_LEVEL=3
164     echo "${RC_VERBOSE_LEVEL}" > /proc/sys/kernel/printk
165    
166 niro 150 # mount sys file system before udev or devfs (kernel-2.6)
167     if [[ $(kernel_major_version) = 2.6 ]]
168 niro 2 then
169     if [ -d /sys ]
170     then
171     echo -e ${COLOREDSTAR}"Mounting sysfs file system ..."
172 niro 150 mount -n -t sysfs sysfs /sys
173 niro 2 evaluate_retval
174     else
175     echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
176     echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
177     echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
178     fi
179     fi
180    
181     ## load devfs ##
182 niro 150 # load devfs only with a 2.4 kernel or its really wanted with a 2.6
183     if [[ $(kernel_major_version) = 2.4 ]] || [[ ${RC_USED_DEV} = devfs ]]
184 niro 2 then
185     # start devfsd daemon, needed for bootsplash;
186     # no use of '/etc/rc.d/init.d/devfs' anymore
187     # check if devfs was mounted by the kernel,
188     # if not mount it (mbuild_livecd needs this one)
189     if [ ! -e /dev/.devfsd ]
190     then
191     echo -e ${COLOREDSTAR}"Mounting devfs file system ..."
192 niro 150 mount -n -t devfs devfs /dev
193 niro 2 evaluate_retval
194     fi
195    
196     if [ -e /dev/.devfsd ]
197     then
198     echo -e ${COLOREDSTAR}"Starting devfsd ..."
199     ## directory /lib/dev-state !must! exists ##
200     /sbin/devfsd /dev &> /dev/null
201     evaluate_retval
202     else
203     echo -e ${COLRED}"No devfs filesystem found ..."
204     echo -e ${COLYELLOW}"Your Kernel doesn't support the devfs filesystem."
205     echo -e ${COLYELLOW}"Devfs is necessary to run Magellan-Linux."
206     echo -e ${COLYELLOW}"Please make shure that this is enabled in your kernel."
207     echo
208     echo -e ${COLYELLOW}"Press any key to shutdown the system safely ..."
209     read
210     $rc_base/init.d/halt
211     fi
212     fi
213    
214     #### load udev ####
215 niro 150 # load udev only with a 2.6 kernel
216     if [[ $(kernel_major_version) = 2.6 ]] && [[ ${RC_USED_DEV} = udev ]]
217 niro 2 then
218 niro 150 # create a ramdisk for populating udev
219     echo -e ${COLOREDSTAR}"Mounting udev at /dev ..."
220     # tmpfs was suggested by Greg Kroah-Hartman
221     # many video drivers needed exec access
222     mount -n -t ramfs udev /dev -o exec,nosuid,mode=0755
223 niro 2 evaluate_retval
224    
225 niro 150 # if a device tarball exists load it and if it is activated
226 niro 2 echo -e ${COLOREDSTAR}"Configurating system to use udev ..."
227 niro 150 if [[ ${RC_DEVICE_TARBALL} = yes ]]
228 niro 2 then
229 niro 318 echo -e ${COLOREDSTAR}" Populating /dev with saved device nodes ..."
230 niro 2 tar -jxpf /lib/udev-state/devices.tar.bz2 -C /dev
231     evaluate_retval
232     fi
233    
234 niro 318 # other eeded device nodes with udev
235     seed_dev
236 niro 2
237 niro 318 if [ -e /proc/sys/kernel/hotplug ]
238 niro 2 then
239 niro 318 if [ "$(kernel_version | sed 's:\.::g')" -gt "2614" ]
240     then
241     echo -e ${COLOREDSTAR}" Using netlink for hotplug events ..."
242     echo "" > /proc/sys/kernel/hotplug
243     evaluate_retval
244     elif [[ $(udev_version) -ge "48" ]]
245     then
246     echo -e ${COLOREDSTAR}" Setting /sbin/udevsend as hotplug agent ..."
247     echo "/sbin/udevsend" > /proc/sys/kernel/hotplug
248     evaluate_retval
249     elif [[ -x /sbin/hotplug ]]
250     then
251     echo -e ${COLOREDSTAR}" Using /sbin/hotplug as hotplug agent ..."
252     print_status success
253     else
254     echo -e ${COLOREDSTAR}" Setting /sbin/udev as hotplug agent ..."
255     echo "/sbin/udev" > /proc/sys/kernel/hotplug
256     evaluate_retval
257     fi
258 niro 2 else
259     echo -e ${COLOREDSTAR}${COLYELLOW}" Kernel was not compiled with hotplug support !"
260 niro 318 print_status failure
261 niro 2 fi
262 niro 318
263     echo -e ${COLOREDSTAR}" Starting udevd daemon ..."
264     /sbin/udevd --daemon
265 niro 2 evaluate_retval
266 niro 318
267     populate_udev
268    
269     # create nodes that udev can't
270     echo -e ${COLOREDSTAR}" Finializing udev configuration ..."
271     [[ -x /sbin/dmsetup ]] && /sbin/dmsetup mknodes &>/dev/null
272     [[ -x /sbin/lvm ]] && /sbin/lvm vgscan -P --mknodes --ignorelockingfailure &>/dev/null
273     [[ -x /sbin/evms_activate ]] && /sbin/evms_activate -q &>/dev/null
274     print_status success
275    
276     # same thing as /dev/.devfsd
277     touch /dev/.udev
278 niro 2 fi
279    
280     ## load devpts ##
281     # devfs/udev with 2.6 has no ptys, so devpts is also needed
282 niro 150 if [[ $(kernel_major_version) = 2.6 ]]
283 niro 2 then
284     # check if we really have devpts support
285 niro 150 if kernel_supports_fs devpts
286 niro 2 then
287     # /dev/pts maybe not exists.
288     # We only create this directory only if devfs was mounted,
289     # or it will fail as / is still mounted readonly
290 niro 150 # udev has this dir already, only a sanity check for devfs
291     if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
292 niro 2 then
293     mkdir -p /dev/pts &> /dev/null || \
294     echo "Could not create /dev/pts !"
295     fi
296 niro 71
297 niro 150 # now mount devpts
298 niro 2 if [ -d /dev/pts ]
299     then
300     echo -e ${COLOREDSTAR}"Mounting devpts at /dev/pts ..."
301 niro 150 mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
302 niro 2 evaluate_retval
303     fi
304     else
305     # devpts is not supported, give a warning
306     echo -e ${COLRED}"No devpts filesystem found ..."
307     echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
308     echo -e ${COLYELLOW}"Devfs with a kernel-2.6.x needs devpts,"
309     echo -e ${COLYELLOW}"or no pty's are available."
310     echo -e ${COLYELLOW}"Please make shure that this is enabled in your kernel."
311     echo
312     echo -e ${COLYELLOW}"Press any key to continue ..."
313     read
314     fi
315     fi
316    
317     ### services state dir ###
318     echo -e ${COLOREDSTAR}"Mounting tmpfs at ${svcdir} ..."
319     mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
320     evaluate_retval
321    
322 niro 150 # load bootsplash
323 niro 2 splash "rc_init" "${runlevel}"
324     fi
325    
326    
327 niro 150 if [[ $runlevel = 0 ]] || [[ $runlevel = 6 ]]
328 niro 2 then
329 niro 150 # load bootsplash
330 niro 2 splash "rc_init" "${runlevel}"
331    
332     # if requested save devices to a device tarball before halt
333     # only for kernels >=2.6 *and* udev
334     # make shure that udev is mounted but *not* devfs --> /dev/.devfsd
335 niro 150 if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
336     [ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
337 niro 2 then
338     echo -e ${COLOREDSTAR}"Saving /dev device nodes ..."
339 niro 150 ( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
340 niro 2 mv -f "/tmp/devices-$$.tar.bz2" /lib/udev-state/devices.tar.bz2
341     evaluate_retval
342     fi
343     fi
344    
345    
346     if [ "$runlevel" = "" ]
347     then
348     echo "Usage: $0 <runlevel>" >&2
349     exit 1
350     fi
351    
352 niro 150
353 niro 2 previous=$PREVLEVEL
354     [ "$previous" = "" ] && previous=N
355    
356     if [ ! -d $rc_base/rc$runlevel.d ]
357     then
358     echo "$rc_base/rc$runlevel.d does not exist"
359     exit 1
360     fi
361    
362     if [ "$previous" != "N" ]
363     then
364     for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
365     do
366    
367     check_script_status
368    
369     suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
370     prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
371     sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix
372    
373     if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
374     then
375     if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
376     then
377     $WARNING
378     echo "$i can't be executed because it was"
379     echo "not started in the previous runlevel ($previous)"
380     $NORMAL
381     continue
382     fi
383     fi
384    
385     $i stop
386     error_value=$?
387    
388     if [ "$error_value" != "0" ]
389     then
390     print_error_msg
391     fi
392     done
393     fi
394    
395     for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
396     do
397     if [ "$previous" != "N" ]
398     then
399     suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
400     stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
401     prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
402    
403     [ -f $prev_start ] && [ ! -f $stop ] && continue
404     fi
405    
406     check_script_status
407    
408     $i start
409     error_value=$?
410    
411     if [ "$error_value" != "0" ]
412     then
413     print_error_msg
414     fi
415     done

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