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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="${0%/*}/../.."
TS_DESC="AF_UNIX socket pair created with socketpair(2)"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"
ts_check_prog "sed"
ts_cd "$TS_OUTDIR"
PID=
FD0=3
FD1=4
EXPR=
{
coproc MKFDS { "$TS_HELPER_MKFDS" socketpair $FD0 $FD1 socktype=DGRAM; }
if read -u ${MKFDS[0]} PID; then
EXPR='(PID == '"${PID}"') and ((FD == '"$FD0"') or (FD == '"$FD1"'))'
${TS_CMD_LSFD} -n -o ASSOC,MODE,STTYPE,SOURCE,SOCK.PROTONAME -Q "${EXPR}" | sed -e 's/UNIX-DGRAM/UNIX/'
echo 'ASSOC,MODE,STTYPE,SOURCE,SOCK.PROTONAME': ${PIPESTATUS[0]}
kill -CONT ${PID}
fi
wait ${MKFDS_PID}
} > $TS_OUTPUT 2>&1
ts_finalize
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