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#!/bin/sh
# Copyright (C) 2006-2010 OpenWrt.org
# Copyright (C) 2010 Vertical Communications
choose_console() {
# the shell really doesn't like having stdin/out closed
# that's why we use /dev/pty/m0 and m1 (or equivalent) as replacement
# for /dev/console if there's no serial console available
if grep devfs /proc/filesystems > /dev/null; then
M0=/dev/pty/m0
M1=/dev/pty/m1
M2=/dev/pty/m1
elif [ -x /sbin/hotplug2 ]; then
M0=/dev/ptmx
M1=/dev/ptmx
M2=/dev/ptmx
elif [ -x /sbin/udevd ]; then
M0=/dev/pty/ptmx
M1=/dev/pty/ptmx
M2=/dev/pty/ptmx
fi
dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null && {
M0=/dev/console
M1=/dev/console
M2=/dev/console
}
}
boot_hook_add preinit_essential choose_console
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