Magellan Linux

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

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Revision 318 - (hide annotations) (download)
Tue Jan 3 18:03:21 2006 UTC (18 years, 4 months ago) by niro
File size: 10463 byte(s)
added >= udev-079 support for 2.6.15 kernels

1 niro 2 #!/bin/bash
2 niro 318 # $Header: /home/cvsd/magellan-cvs/magellan-src/magellan-initscripts/etc/rc.d/init.d/rc,v 1.6 2006-01-03 18:03:21 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 318 # this works only for 2.6.15 kernels and greater
14     trigger_events()
15     {
16     local list=""
17     local i
18     local first
19     local last
20     local default
21    
22     # if you want real hotplug (with all modules being loaded for all
23     # devices in the system), uncomment out the next line.
24     #list="$list $(echo /sys/bus/*/devices/*/uevent)"
25     list="${list} $(echo /sys/class/*/*/uevent)"
26     list="${list} $(echo /sys/block/*/uevent /sys/block/*/*/uevent)"
27     for i in ${list}
28     do
29     case "${i}" in
30     */device/uevent)
31     # skip followed device symlinks
32     continue
33     ;;
34     */class/mem/*|*/class/tty/*)
35     first="${first} ${i}"
36     ;;
37     */block/md*)
38     last="${last} ${i}"
39     ;;
40     */*)
41     default="${default} ${i}"
42     ;;
43     esac
44     done
45    
46     # trigger the sorted events
47     for i in ${first} ${default} ${last}
48     do
49     echo "add" > "${i}"
50     done
51     }
52    
53 niro 2 populate_udev() {
54 niro 318 local loop
55    
56     # populate /dev with devices already found by the kernel
57     if [ "$(kernel_version | sed 's:\.::g')" -gt "2614" ]
58     then
59     echo -e ${COLOREDSTAR}" Populating /dev with existing devices through uevents ..."
60     trigger_events
61     evaluate_retval
62     else
63     echo -e ${COLOREDSTAR}" Populating /dev with existing devices with udevstart ..."
64 niro 2 /sbin/udevstart
65 niro 318 evaluate_retval
66     fi
67 niro 2
68 niro 318 # loop until everything is finished
69     # there's gotta be a better way...
70     echo -e ${COLOREDSTAR}" Letting udev process events ..."
71     loop=0
72     while test -d /dev/.udev/queue
73     do
74     sleep 0.1;
75     test "${loop}" -gt 300 && break
76     loop=$((${loop} + 1))
77     done
78     evaluate_retval
79    
80     return 0
81     }
82    
83     seed_dev() {
84     # seed /dev with some things that we know we need
85     echo -e ${COLOREDSTAR}" Seeding /dev with needed nodes ..."
86     (
87     # copy over any persistant things
88     cp --preserve=all --recursive --update /lib/udev/devices/* /dev
89    
90 niro 150 # not provided by sysfs but needed
91 niro 2 ln -snf /proc/self/fd /dev/fd
92     ln -snf fd/0 /dev/stdin
93     ln -snf fd/1 /dev/stdout
94     ln -snf fd/2 /dev/stderr
95 niro 318 [[ -e /proc/kcore ]] && ln -snf /proc/kcore /dev/core
96    
97 niro 150 # create problematic directories
98 niro 2 mkdir -p /dev/{pts,shm}
99 niro 318 )
100     evaluate_retval
101     }
102 niro 2
103 niro 318 # # some needed functions functions
104     # populate_udev() {
105     # /sbin/udevstart
106     #
107     # # not provided by sysfs but needed
108     # ln -snf /proc/self/fd /dev/fd
109     # ln -snf fd/0 /dev/stdin
110     # ln -snf fd/1 /dev/stdout
111     # ln -snf fd/2 /dev/stderr
112     # ln -snf /proc/kcore /dev/core
113     # ln -snf /proc/asound/oss/sndstat /dev/sndstat
114     #
115     # # create problematic directories
116     # mkdir -p /dev/{pts,shm}
117     #
118     # # same as /dev/.devfsd
119     # touch /dev/.udev
120     #
121     # return 0
122     # }
123 niro 71
124 niro 2 trap "" INT QUIT TSTP
125    
126     [ "$1" != "" ] && runlevel=$1
127    
128 niro 150 if [[ $runlevel = sysinit ]]
129 niro 2 then
130     echo
131     echo -e "${COLGREEN}Starting ${COLBLUE}MAGELLAN (v${MAGEVER}) ${COLGREEN}Linux${COLDEFAULT}"
132 niro 150 echo -e "Copyright 2001-2005 Niels Rogalla; http://magellan-linux.net"
133 niro 2 echo
134    
135 niro 150 # mount proc filesystem, needed for bootsplash;
136     # no use of '/etc/rc.d/init.d/mountproc' anymore
137 niro 2 if [ ! -e /proc/mounts ]
138     then
139     echo -e ${COLOREDSTAR}"Mounting proc file system ..."
140     mount -n /proc
141     evaluate_retval
142     fi
143    
144 niro 150 # set default verbose level for kernel messages
145 niro 2 [ -z "${RC_VERBOSE_LEVEL}" ] && RC_VERBOSE_LEVEL=3
146     echo "${RC_VERBOSE_LEVEL}" > /proc/sys/kernel/printk
147    
148 niro 150 # mount sys file system before udev or devfs (kernel-2.6)
149     if [[ $(kernel_major_version) = 2.6 ]]
150 niro 2 then
151     if [ -d /sys ]
152     then
153     echo -e ${COLOREDSTAR}"Mounting sysfs file system ..."
154 niro 150 mount -n -t sysfs sysfs /sys
155 niro 2 evaluate_retval
156     else
157     echo -e ${COLORED}"Fatal: mountpoint /sys missing ..."
158     echo -e ${COLYELLOW}"Please create the directory /sys (mkdir -p /sys)."
159     echo -e ${COLYELLOW}"It's essential for a 2.6 kernel."
160     fi
161     fi
162    
163     ## load devfs ##
164 niro 150 # load devfs only with a 2.4 kernel or its really wanted with a 2.6
165     if [[ $(kernel_major_version) = 2.4 ]] || [[ ${RC_USED_DEV} = devfs ]]
166 niro 2 then
167     # start devfsd daemon, needed for bootsplash;
168     # no use of '/etc/rc.d/init.d/devfs' anymore
169     # check if devfs was mounted by the kernel,
170     # if not mount it (mbuild_livecd needs this one)
171     if [ ! -e /dev/.devfsd ]
172     then
173     echo -e ${COLOREDSTAR}"Mounting devfs file system ..."
174 niro 150 mount -n -t devfs devfs /dev
175 niro 2 evaluate_retval
176     fi
177    
178     if [ -e /dev/.devfsd ]
179     then
180     echo -e ${COLOREDSTAR}"Starting devfsd ..."
181     ## directory /lib/dev-state !must! exists ##
182     /sbin/devfsd /dev &> /dev/null
183     evaluate_retval
184     else
185     echo -e ${COLRED}"No devfs filesystem found ..."
186     echo -e ${COLYELLOW}"Your Kernel doesn't support the devfs filesystem."
187     echo -e ${COLYELLOW}"Devfs is necessary to run Magellan-Linux."
188     echo -e ${COLYELLOW}"Please make shure that this is enabled in your kernel."
189     echo
190     echo -e ${COLYELLOW}"Press any key to shutdown the system safely ..."
191     read
192     $rc_base/init.d/halt
193     fi
194     fi
195    
196     #### load udev ####
197 niro 150 # load udev only with a 2.6 kernel
198     if [[ $(kernel_major_version) = 2.6 ]] && [[ ${RC_USED_DEV} = udev ]]
199 niro 2 then
200 niro 150 # create a ramdisk for populating udev
201     echo -e ${COLOREDSTAR}"Mounting udev at /dev ..."
202     # tmpfs was suggested by Greg Kroah-Hartman
203     # many video drivers needed exec access
204     mount -n -t ramfs udev /dev -o exec,nosuid,mode=0755
205 niro 2 evaluate_retval
206    
207 niro 150 # if a device tarball exists load it and if it is activated
208 niro 2 echo -e ${COLOREDSTAR}"Configurating system to use udev ..."
209 niro 150 if [[ ${RC_DEVICE_TARBALL} = yes ]]
210 niro 2 then
211 niro 318 echo -e ${COLOREDSTAR}" Populating /dev with saved device nodes ..."
212 niro 2 tar -jxpf /lib/udev-state/devices.tar.bz2 -C /dev
213     evaluate_retval
214     fi
215    
216 niro 318 # other eeded device nodes with udev
217     seed_dev
218 niro 2
219 niro 318 if [ -e /proc/sys/kernel/hotplug ]
220 niro 2 then
221 niro 318 if [ "$(kernel_version | sed 's:\.::g')" -gt "2614" ]
222     then
223     echo -e ${COLOREDSTAR}" Using netlink for hotplug events ..."
224     echo "" > /proc/sys/kernel/hotplug
225     evaluate_retval
226     elif [[ $(udev_version) -ge "48" ]]
227     then
228     echo -e ${COLOREDSTAR}" Setting /sbin/udevsend as hotplug agent ..."
229     echo "/sbin/udevsend" > /proc/sys/kernel/hotplug
230     evaluate_retval
231     elif [[ -x /sbin/hotplug ]]
232     then
233     echo -e ${COLOREDSTAR}" Using /sbin/hotplug as hotplug agent ..."
234     print_status success
235     else
236     echo -e ${COLOREDSTAR}" Setting /sbin/udev as hotplug agent ..."
237     echo "/sbin/udev" > /proc/sys/kernel/hotplug
238     evaluate_retval
239     fi
240 niro 2 else
241     echo -e ${COLOREDSTAR}${COLYELLOW}" Kernel was not compiled with hotplug support !"
242 niro 318 print_status failure
243 niro 2 fi
244 niro 318
245     echo -e ${COLOREDSTAR}" Starting udevd daemon ..."
246     /sbin/udevd --daemon
247 niro 2 evaluate_retval
248 niro 318
249     populate_udev
250    
251     # create nodes that udev can't
252     echo -e ${COLOREDSTAR}" Finializing udev configuration ..."
253     [[ -x /sbin/dmsetup ]] && /sbin/dmsetup mknodes &>/dev/null
254     [[ -x /sbin/lvm ]] && /sbin/lvm vgscan -P --mknodes --ignorelockingfailure &>/dev/null
255     [[ -x /sbin/evms_activate ]] && /sbin/evms_activate -q &>/dev/null
256     print_status success
257    
258     # same thing as /dev/.devfsd
259     touch /dev/.udev
260 niro 2 fi
261    
262     ## load devpts ##
263     # devfs/udev with 2.6 has no ptys, so devpts is also needed
264 niro 150 if [[ $(kernel_major_version) = 2.6 ]]
265 niro 2 then
266     # check if we really have devpts support
267 niro 150 if kernel_supports_fs devpts
268 niro 2 then
269     # /dev/pts maybe not exists.
270     # We only create this directory only if devfs was mounted,
271     # or it will fail as / is still mounted readonly
272 niro 150 # udev has this dir already, only a sanity check for devfs
273     if [ ! -d "/dev/pts" -a -e "/dev/.devfsd" ] && is_fs_mounted devfs
274 niro 2 then
275     mkdir -p /dev/pts &> /dev/null || \
276     echo "Could not create /dev/pts !"
277     fi
278 niro 71
279 niro 150 # now mount devpts
280 niro 2 if [ -d /dev/pts ]
281     then
282     echo -e ${COLOREDSTAR}"Mounting devpts at /dev/pts ..."
283 niro 150 mount -n -t devpts -o gid=4,mode=0620 devpts /dev/pts
284 niro 2 evaluate_retval
285     fi
286     else
287     # devpts is not supported, give a warning
288     echo -e ${COLRED}"No devpts filesystem found ..."
289     echo -e ${COLYELLOW}"Your Kernel doesn't support the devpts filesystem."
290     echo -e ${COLYELLOW}"Devfs with a kernel-2.6.x needs devpts,"
291     echo -e ${COLYELLOW}"or no pty's are available."
292     echo -e ${COLYELLOW}"Please make shure that this is enabled in your kernel."
293     echo
294     echo -e ${COLYELLOW}"Press any key to continue ..."
295     read
296     fi
297     fi
298    
299     ### services state dir ###
300     echo -e ${COLOREDSTAR}"Mounting tmpfs at ${svcdir} ..."
301     mount -n -t tmpfs tmpfs "${svcdir}" -o rw,mode=0644,size="${svcsize}"k
302     evaluate_retval
303    
304 niro 150 # load bootsplash
305 niro 2 splash "rc_init" "${runlevel}"
306     fi
307    
308    
309 niro 150 if [[ $runlevel = 0 ]] || [[ $runlevel = 6 ]]
310 niro 2 then
311 niro 150 # load bootsplash
312 niro 2 splash "rc_init" "${runlevel}"
313    
314     # if requested save devices to a device tarball before halt
315     # only for kernels >=2.6 *and* udev
316     # make shure that udev is mounted but *not* devfs --> /dev/.devfsd
317 niro 150 if [[ ${RC_DEVICE_TARBALL} = yes ]] && \
318     [ -e /dev/.udev -a ! -e /dev/.devfsd -a ! -e /.bootdev ]
319 niro 2 then
320     echo -e ${COLOREDSTAR}"Saving /dev device nodes ..."
321 niro 150 ( cd /dev; tar -jclpf "/tmp/devices-$$.tar.bz2" * &> /dev/null )
322 niro 2 mv -f "/tmp/devices-$$.tar.bz2" /lib/udev-state/devices.tar.bz2
323     evaluate_retval
324     fi
325     fi
326    
327    
328     if [ "$runlevel" = "" ]
329     then
330     echo "Usage: $0 <runlevel>" >&2
331     exit 1
332     fi
333    
334 niro 150
335 niro 2 previous=$PREVLEVEL
336     [ "$previous" = "" ] && previous=N
337    
338     if [ ! -d $rc_base/rc$runlevel.d ]
339     then
340     echo "$rc_base/rc$runlevel.d does not exist"
341     exit 1
342     fi
343    
344     if [ "$previous" != "N" ]
345     then
346     for i in $(ls -v $rc_base/rc$runlevel.d/K* 2> /dev/null)
347     do
348    
349     check_script_status
350    
351     suffix=${i#$rc_base/rc$runlevel.d/K[0-9][0-9]}
352     prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
353     sysinit_start=$rc_base/rcsysinit.d/S[0-9][0-9]$suffix
354    
355     if [ "$runlevel" != "0" ] && [ "$runlevel" != "6" ]
356     then
357     if [ ! -f $prev_start ] && [ ! -f $sysinit_start ]
358     then
359     $WARNING
360     echo "$i can't be executed because it was"
361     echo "not started in the previous runlevel ($previous)"
362     $NORMAL
363     continue
364     fi
365     fi
366    
367     $i stop
368     error_value=$?
369    
370     if [ "$error_value" != "0" ]
371     then
372     print_error_msg
373     fi
374     done
375     fi
376    
377     for i in $( ls -v $rc_base/rc$runlevel.d/S* 2> /dev/null)
378     do
379     if [ "$previous" != "N" ]
380     then
381     suffix=${i#$rc_base/rc$runlevel.d/S[0-9][0-9]}
382     stop=$rc_base/rc$runlevel.d/K[0-9][0-9]$suffix
383     prev_start=$rc_base/rc$previous.d/S[0-9][0-9]$suffix
384    
385     [ -f $prev_start ] && [ ! -f $stop ] && continue
386     fi
387    
388     check_script_status
389    
390     $i start
391     error_value=$?
392    
393     if [ "$error_value" != "0" ]
394     then
395     print_error_msg
396     fi
397     done

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