freebsd-skq/libexec/rc/rc.d/linux
Edward Tomasz Napierala 5dece9b25a Add 'linux_mounts_enable' rc.conf(5) variable, to make it possible
to disable mounting Linux-specific filesystems under /compat/linux
when 'linux_enable' is set to YES.

Reviewed by:	netchild, ian (earlier version)
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D22320
2019-11-13 20:27:38 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: linux
# REQUIRE: archdep
# KEYWORD: nojail
. /etc/rc.subr
name="linux"
desc="Enable Linux ABI"
rcvar="linux_enable"
start_cmd="${name}_start"
stop_cmd=":"
linux_start()
{
local _emul_path _tmpdir
load_kld -e 'linux(aout|elf)' linux
case `sysctl -n hw.machine_arch` in
amd64)
load_kld -e 'linux64elf' linux64
;;
esac
if [ -x /compat/linux/sbin/ldconfigDisabled ]; then
_tmpdir=`mktemp -d -t linux-ldconfig`
/compat/linux/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
if ! cmp -s ${_tmpdir}/ld.so.cache /compat/linux/etc/ld.so.cache; then
cat ${_tmpdir}/ld.so.cache > /compat/linux/etc/ld.so.cache
fi
rm -rf ${_tmpdir}
fi
# Linux uses the pre-pts(4) tty naming scheme.
load_kld pty
# Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
sysctl kern.elf64.fallback_brand=3 > /dev/null
fi
if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
sysctl kern.elf32.fallback_brand=3 > /dev/null
fi
if checkyesno linux_mounts_enable; then
_emul_path="/compat/linux"
mount -o nocover -t linprocfs linprocfs "${_emul_path}/proc"
mount -o nocover -t linsysfs linsysfs "${_emul_path}/sys"
mount -o nocover -t devfs devfs "${_emul_path}/dev"
mount -o nocover -t fdescfs fdescfs "${_emul_path}/dev/fd"
mount -o nocover,mode=1777 -t tmpfs tmpfs "${_emul_path}/dev/shm"
fi
}
load_rc_config $name
run_rc_command "$1"