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#!/bin/bash
#
# Copyright (C) 2021 Masatake YAMATO <yamato@redhat.com>
#
# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file 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 General Public License for more details.
#
function lsfd_wait_for_pausing {
ts_check_prog "sleep"
local PID=$1
until [[ $(ps --no-headers -ostat "${PID}") =~ S.* ]]; do
sleep 1
done
}
function lsfd_compare_dev {
local LSFD=$1
local FILE=$2
local EXPR=$3
ts_check_prog "grep"
ts_check_prog "expr"
ts_check_prog "stat"
local DEV=$("${LSFD}" --raw -n -o DEV -Q "${EXPR}")
echo 'DEV[RUN]:' $?
local MAJ=${DEV%:*}
local MIN=${DEV#*:}
local DEVNUM=$(( ( MAJ << 8 ) + MIN ))
local STAT_DEVNUM=$(stat -c "%d" "$FILE")
echo 'STAT[RUN]:' $?
if [ "${DEVNUM}" == "${STAT_DEVNUM}" ]; then
echo 'DEVNUM[STR]:' 0
else
echo 'DEVNUM[STR]:' 1
# Print more information for debugging
echo 'DEV:' "${DEV}"
echo 'MAJ:MIN' "${MAJ}:${MIN}"
echo 'DEVNUM:' "${DEVNUM}"
echo 'STAT_DEVNUM:' "${STAT_DEVNUM}"
fi
}
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