openrc/sh/rc-functions.sh

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# Copyright 2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
has_addon() {
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[ -e "${RC_LIBDIR}/addons/$1.sh" ] || [ -e /lib/rcscripts/addons/"$1".sh ]
}
import_addon() {
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if [ -e "${RC_LIBDIR}/addons/$1.sh" ]; then
. "${RC_LIBDIR}/addons/$1.sh"
elif [ -e /lib/rcscripts/addons/"$1".sh ]; then
. /lib/rcscripts/addons/"$1".sh
else
return 1
fi
}
start_addon() {
( import_addon "$1-start" )
}
stop_addon() {
( import_addon "$1-stop" )
}
net_fs_list="afs cifs coda davfs fuse gfs ncpfs nfs nfs4 ocfs2 shfs smbfs"
is_net_fs() {
[ -z "$1" ] && return 1
# Check OS specific flags to see if we're local or net mounted
mountinfo --quiet --netdev "$1" && return 0
mountinfo --quiet --nonetdev "$1" && return 1
# Fall back on fs types
local t=$(mountinfo --fstype "$1")
for x in ${net_fs_list}; do
[ "${x}" = "${t}" ] && return 0
done
return 1
}
is_union_fs() {
[ ! -x /sbin/unionctl ] && return 1
unionctl "$1" --list >/dev/null 2>/dev/null
}
get_bootparam() {
local match="$1"
[ -z "${match}" -o ! -r /proc/cmdline ] && return 1
set -- $(cat /proc/cmdline)
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while [ -n "$1" ]; do
case "$1" in
gentoo=*)
local params="${1##*=}"
local IFS=, x=
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for x in ${params}; do
[ "${x}" = "${match}" ] && return 0
done
;;
esac
shift
done
return 1
}
# Add our sbin to $PATH
case "${PATH}" in
/lib/rc/sbin|/lib/rc/sbin:*) ;;
*) export PATH="/lib/rc/sbin:${PATH}" ;;
esac
# vim: set ts=4 :