tao@kernel.org
b9e3301c3b
The attached patch contains a few patches against udev, to remove use of various XSI:isms and bash:isms, and to change two scripts form /bin/bash to /bin/sh. None of the bash-scripts in test/ uses any bash-specific functions as far as I know, but I didn't touch them since they aren't used runtime. Rationale: * Both of the /bin/bash-scripts are totally free from bashisms, hence they don't need to be /bin/bash; using /bin/sh instead helps (mainly) embedded-people * local and source are bash:isms (well, they exist in several other shells as well, but they aren't part of POSIX or any of its extensions) * -a in tests is an XSI-extension, not part of strict POSIX, and is easily replaced by && | http://www.opengroup.org/onlinepubs/009695399/utilities/test.html * Use of fgrep is deprecated in POSIX in favour of grep -F (though fgrep will remain in use for a long time...) | http://www.opengroup.org/onlinepubs/009695399/utilities/grep.html The fgrep-change isn't really necessary, since fgrep can always be implemented as a shell-script, but the rest of the changes would really be appreciated.
133 lines
2.7 KiB
Bash
133 lines
2.7 KiB
Bash
#! /bin/sh
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#
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# udev init script to setup /udev
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#
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# chkconfig: 2345 20 80
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# description: manage user-space device nodes in /udev
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. /etc/rc.d/init.d/functions
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. /etc/udev/udev.conf
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prog=udev
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sysfs_dir=/sys
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bin=/sbin/udev
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udevd=/sbin/udevd
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udev_root=/udev
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run_udev () {
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# handle block devices and their partitions
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for i in ${sysfs_dir}/block/*; do
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# add each drive
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export DEVPATH=${i#${sysfs_dir}}
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$bin block &
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# add each partition, on each device
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for j in $i/*; do
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if [ -f $j/dev ]; then
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export DEVPATH=${j#${sysfs_dir}}
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$bin block &
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fi
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done
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done
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# all other device classes
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for i in ${sysfs_dir}/class/*; do
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for j in $i/*; do
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if [ -f $j/dev ]; then
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export DEVPATH=${j#${sysfs_dir}}
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CLASS=`echo ${i#${sysfs_dir}} | \
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cut --delimiter='/' --fields=3-`
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$bin $CLASS &
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fi
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done
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done
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return 0
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}
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make_extra_nodes () {
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# there are a few things that sysfs does not export for us.
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# these things go here (and remember to remove them in
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# remove_extra_nodes()
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#
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# Thanks to Gentoo for the initial list of these.
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ln -snf /proc/self/fd $udev_root/fd
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ln -snf /proc/self/fd/0 $udev_root/stdin
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ln -snf /proc/self/fd/1 $udev_root/stdout
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ln -snf /proc/self/fd/2 $udev_root/stderr
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ln -snf /proc/kcore $udev_root/core
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#ln -snf /proc/asound/oss/sndstat $udev_root/sndstat
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}
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remove_extra_nodes () {
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# get rid of the extra nodes created in make_extra_nodes()
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rm $udev_root/fd
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rm $udev_root/stdin
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rm $udev_root/stdout
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rm $udev_root/stderr
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rm $udev_root/core
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#rm $udev_root/sndstat
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}
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case "$1" in
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start)
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# don't use udev if sysfs is not mounted.
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if [ ! -d $sysfs_dir/block ]; then
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exit 1
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fi
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if [ ! -d $udev_root ]; then
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mkdir $udev_root
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fi
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# remove the database if it is there as we always want to start fresh
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if [ -f $udev_root/.udev.tdb ]; then
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rm -f $udev_root/.udev.tdb
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fi
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# propogate /udev from /sys - we only need this while we do not
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# have initramfs and an early user-space with which to do early
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# device bring up
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export ACTION=add
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echo -n $"Creating initial udev device nodes:"
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run_udev
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make_extra_nodes
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# We want to start udevd ourselves if it isn't already running. This
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# lets udevd run at a sane nice level...
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$udevd &
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success /bin/true
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echo
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touch /var/lock/subsys/udev
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;;
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stop)
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# be careful
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echo -n $"Removing udev device nodes: "
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export ACTION=remove
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run_udev
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remove_extra_nodes
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success /bin/true
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echo
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rm -f /var/lock/subsys/udev
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;;
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status)
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if [ -f /var/lock/subsys/udev ]; then
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echo $"$prog has run"
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exit 0
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fi
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echo $"$prog is stopped"
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exit 3
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;;
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restart)
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$0 stop
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$0 start
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;;
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reload)
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# nothing to do here
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;;
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*)
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echo "Usage: $0 {start|stop|status|restart}"
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exit 1
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esac
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exit 0
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