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#!/bin/bash
#
# Copyright (C) 2024 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="${0%/*}/../.."
TS_DESC="-Q, --filter option"
. "$TS_TOPDIR"/functions.sh
# for $EPERM
. "$TS_TOPDIR"/ts/lsfd/lsfd-functions.bash
ts_init "$*"
# https://github.com/util-linux/util-linux/pull/3205
TS_KNOWN_FAIL="yes"
ts_check_test_command "$TS_CMD_LSNS"
ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"
# unshare(2) used in userns factory of test_mkfds reports "Invalid argument".
ts_skip_qemu_user
lsfd_check_userns
ts_cd "$TS_OUTDIR"
PID=
FD=4
{
coproc MKFDS { "$TS_HELPER_MKFDS" --comm ABC userns $FD; }
if read -u ${MKFDS[0]} PID; then
lsfd_expr="PID == ${PID} and ASSOC == \"user\""
inode=$(${TS_CMD_LSFD} -n --raw -o INODE -Q "${lsfd_expr}")
for opt in -Q --filter; do
lsns_expr="NS == $inode && NPROCS == 1"
pid=$(${TS_CMD_LSNS} -n --raw -o PID "$opt" "${lsns_expr}")
if [[ "$pid" = "$PID" ]]; then
echo "$opt: pid == PID"
else
echo "$opt: pid != PID"
echo lsfd_expr: "${lsfd_expr}"
echo lsns_expr: "${lsns_expr}"
echo pid: "${pid}"
echo PID: "${PID}"
echo inode: "${inode}"
echo lsfd:
${TS_CMD_LSFD} -n --raw $opt "${lsfd_expr}"
echo lsns:"${lsns_expr}"
${TS_CMD_LSNS} -n --raw $opt "${lsns_expr}"
echo lsns:inode:
${TS_CMD_LSNS} -n --raw $opt "NS == $inode"
echo lsns:NPROCS:
${TS_CMD_LSNS} -n --raw $opt "NPROCS == 1"
echo lsns
${TS_CMD_LSNS} -n --raw
fi
done
echo DONE >&"${MKFDS[1]}"
fi
wait "${MKFDS_PID}"
} > $TS_OUTPUT 2>&1
if [ "$?" == "$EPERM" ]; then
ts_skip "unshare(2) is not permitted on this platform"
fi
ts_finalize
|
