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linux-kernel-module-cheat/rootfs_overlay/etc/init.d/S40network
Ciro Santilli 29908dffb2 Disable networking at runtime with lkmc_nonet cli instead of build
This is necessary because qemu and gem5 now use the same build folder.

Separate ./run -e and -f for kernel options before and after the ' - '.
This was already the better thing to do when -E was introduced,
but lkmc_nonet prompted me to do it nicer now.

Use the common script to find the out_dir on every toplevel script.

Include usage man pages on README.
2018-03-22 02:47:14 +00:00

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#!/bin/sh
# Copied from: package/ifupdown-scripts/S40network at
# 8ce27bb9fee80a406a4199657ef90e3c315e7457
#
# We then just added this line to turn it off at runtime.
#
# We also considered copying the file at build to / and then
# sourcing it from S98 to be a bit DRYer, but it wouldn't work
# very well if some S50 requires networking to work.
#
# This became necessary nitially when aarch64 qemu and gem5
# started using the same Buildroot output directory.
[ -n "$lkmc_nonet" ] && exit 0
#
# Start the network....
#
# Debian ifupdown needs the /run/network lock directory
mkdir -p /run/network
case "$1" in
start)
printf "Starting network: "
/sbin/ifup -a
[ $? = 0 ] && echo "OK" || echo "FAIL"
;;
stop)
printf "Stopping network: "
/sbin/ifdown -a
[ $? = 0 ] && echo "OK" || echo "FAIL"
;;
restart|reload)
"$0" stop
"$0" start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac
exit $?