#!/bin/bash # # Copyright (C) 2021 Masatake YAMATO # # 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}" kill -CONT ${PID} fi wait ${MKFDS_PID} } > $TS_OUTPUT 2>&1 ts_finalize