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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.
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="character device with O_RDWR"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
. "$TS_SELF"/lsfd-functions.bash
ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"
ts_cd "$TS_OUTDIR"
PID=
FD=3
EXPR=
{
target=/dev/zero
coproc MKFDS { "$TS_HELPER_MKFDS" rw-character-device $FD chrdev=$target; }
if read -u ${MKFDS[0]} PID; then
EXPR='(PID == '"${PID}"') and (FD == '"$FD"')'
${TS_CMD_LSFD} -n -o ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV -Q "${EXPR}"
echo 'ASSOC,MODE,TYPE,NAME,SOURCE,POS,MAJ:MIN,CHRDRV,DEVTYPE,RDEV': $?
lsfd_compare_dev "${TS_CMD_LSFD}" $target "${EXPR}"
echo DONE >&"${MKFDS[1]}"
fi
wait ${MKFDS_PID}
} > $TS_OUTPUT 2>&1
ts_finalize
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