diff options
Diffstat (limited to 'package/base-files/files/etc/preinit')
| -rwxr-xr-x | package/base-files/files/etc/preinit | 47 |
1 files changed, 42 insertions, 5 deletions
diff --git a/package/base-files/files/etc/preinit b/package/base-files/files/etc/preinit index d1a6ffd549..85dbf314d3 100755 --- a/package/base-files/files/etc/preinit +++ b/package/base-files/files/etc/preinit @@ -11,13 +11,50 @@ failsafe() { mount none /proc -t proc mount none /sys -t sysfs -[ -e /etc/preinit.arch ] && . /etc/preinit.arch +size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)?mt-l:s}' /proc/meminfo) +mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777 -set_state preinit +if grep devfs /proc/filesystems > /dev/null; then + mount none /dev -t devfs + M0=/dev/pty/m0 + M1=/dev/pty/m1 + HOTPLUG=/sbin/hotplug-call +else + mount -t tmpfs tmpfs /dev -o size=512K + mknod /dev/console c 5 1 + mkdir /dev/shm + /sbin/hotplug2 --no-persistent --coldplug --set-rules-file /etc/hotplug2-init.rules + M0=/dev/ptmx + M1=/dev/ptmx + HOTPLUG= +fi -mount_root ${FAILSAFE:+failsafe} +mkdir -p /dev/pts /dev/shm +mount none /dev/pts -t devpts -eval ${FAILSAFE:+failsafe} -lock -w /tmp/.failsafe +# the shell really doesn't like having stdin/out closed +# that's why we use /dev/pty/m0 and m1 as replacement +# for /dev/console if there's no serial console available +dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null && { + M0=/dev/console + M1=/dev/console +} + +exec <$M0 >$M1 2>&0 + +{ + echo "- preinit -" + [ -e /etc/preinit.arch ] && . /etc/preinit.arch + set_state preinit + + echo "$HOTPLUG" > /proc/sys/kernel/hotplug + + eval ${FAILSAFE:+failsafe} + lock -w /tmp/.failsafe + + mount_root + + echo "- init -" +} | tee /tmp/preinit.log exec /sbin/init |