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xen/tools/examples/xen-hotplug-common.sh
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2005-10-26 14:57:16 +01:00

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#
# Copyright (c) 2005 XenSource Ltd.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
set -e
export PATH="/sbin:/bin:/usr/bin:/usr/sbin:$PATH"
export LANG="POSIX"
unset $(set | grep ^LC_ | cut -d= -f1)
log() {
local level="$1"
shift
logger -p "daemon.$level" -- "$0:" "$@" || echo "$0 $@" >&2
}
fatal() {
log err "$@"
exit 1
}
xenstore_read() {
local v=$(xenstore-read "$@" || true)
[ "$v" != "" ] || fatal "xenstore-read $@ failed."
echo "$v"
}
xenstore_write() {
log debug "Writing $@ to xenstore."
xenstore-write "$@" || log err "Writing $@ to xenstore failed."
}
log debug "$@" "XENBUS_PATH=$XENBUS_PATH"