openrc/sh/init.sh.Linux.in
2009-04-26 21:13:26 +00:00

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2.0 KiB
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#!@SHELL@
# Copyright 1999-2007 Gentoo Foundation
# Copyright 2007-2009 Roy Marples <roy@marples.name>
# All rights reserved. Released under the 2-clause BSD license.
# This basically mounts $RC_SVCDIR as a ramdisk.
# The tricky part is finding something our kernel supports
# tmpfs and ramfs are easy, so force one or the other.
mount_svcdir()
{
local fs= fsopts="-o rw,noexec,nodev,nosuid"
local devdir="rc-svcdir" x=
local svcsize=${rc_svcsize:-1024}
if grep -Eq "[[:space:]]+tmpfs$" /proc/filesystems; then
fs="tmpfs"
fsopts="$fsopts,mode=0755,size=${svcsize}k"
elif grep -Eq "[[:space:]]+ramfs$" /proc/filesystems; then
fs="ramfs"
# ramfs has no special options
elif [ -e /dev/ram0 ] \
&& grep -Eq "[[:space:]]+ext2$" /proc/filesystems; then
devdir="/dev/ram0"
fs="ext2"
dd if=/dev/zero of="$devdir" bs=1k count="$svcsize"
mkfs -t "$fs" -i 1024 -vm0 "$devdir" "$svcsize"
else
echo
eerror "OpenRC requires tmpfs, ramfs or a ramdisk + ext2"
eerror "compiled into the kernel"
echo
return 1
fi
# If we have no entry in fstab for $RC_SVCDIR, provide our own
if ! fstabinfo --mount "$RC_SVCDIR"; then
mount -n -t "$fs" $fsopts "$devdir" "$RC_SVCDIR"
fi
}
. /etc/init.d/functions.sh
[ -r /etc/rc.conf ] && . /etc/rc.conf
# By default VServer already has /proc mounted, but OpenVZ does not!
# However, some of our users have an old proc image in /proc
# NFC how they managed that, but the end result means we have to test if
# /proc actually works or not. We to this by comparing uptime to one a second
# ago
mountproc=true
if [ -e /proc/uptime ]; then
up="$(cat /proc/uptime)"
sleep 1
if [ "$up" = "$(cat /proc/uptime)" ]; then
eerror "You have cruft in /proc that should be deleted"
else
einfo "/proc is already mounted, skipping"
mountproc=false
fi
fi
if $mountproc; then
procfs="proc"
[ "$RC_UNAME" = "GNU/kFreeBSD" ] && proc="linprocfs"
ebegin "Mounting /proc"
if ! fstabinfo --mount /proc; then
mount -n -t "$procfs" -o noexec,nosuid,nodev proc /proc
fi
eend $?
fi
. "$RC_LIBDIR"/sh/init-common-post.sh