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|
#!/bin/bash
#
# Copyright (C) 2023 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="${0%/*}/../.."
TS_DESC="mqueue with fork"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"
ts_check_native_byteorder
ts_cd "$TS_OUTDIR"
MQUEUE=/mkfds-mqueue
PID0=
PID1=
FD0=3
FD1=4
EXPR=
INODE0=
INODE1=
ENDPOINTS=
{
coproc MKFDS { "$TS_HELPER_MKFDS" mqueue $FD0 $FD1 path=${MQUEUE}; }
if read -u ${MKFDS[0]} PID0 PID1; then
EXPR='(FD == '"$FD0"') or (FD =='"$FD1"')'
${TS_CMD_LSFD} -p "${PID0}" -n -o ASSOC,MODE,TYPE,SOURCE,NAME -Q "${EXPR}"
echo 'parent: ASSOC,MODE,TYPE,SOURCE,NAME': $?
INODE0=$(${TS_CMD_LSFD} -p "${PID0}" --raw -n -o INODE -Q "${EXPR}")
echo 'parent: INODE': $?
EXPR='(FD == '"$FD0"') or (FD =='"$FD1"')'
${TS_CMD_LSFD} -p "${PID1}" -n -o ASSOC,MODE,TYPE,SOURCE -Q "${EXPR}"
echo 'child: ASSOC,MODE,TYPE,SOURCE': $?
INODE1=$(${TS_CMD_LSFD} -p "${PID1}" --raw -n -o INODE -Q "${EXPR}")
echo 'child: INODE': $?
if [ "${INODE0}" == "${INODE1}" ]; then
echo 'INODE[STR]:' $?
else
echo 'INODE[STR]:' $?
echo INODE0: "${INODE0}"
echo INODE1: "${INODE1}"
fi
EXPR='(INODE == '"${INODE0}"') and (TYPE == "mqueue")'
ENDPOINTS=$(${TS_CMD_LSFD} --raw -n -o PID,ASSOC,ENDPOINTS -Q "${EXPR}")
tmp=$(printf "%d %d %d,test_mkfds,%d-w\n%d %d %d,test_mkfds,%dr-" \
"$PID0" "$FD0" "$PID1" "$FD1" \
"$PID1" "$FD1" "$PID0" "$FD0")
if [ "$ENDPOINTS" == "$tmp" ]; then
echo 'ENDPOINTS[STR]:' $?
else
echo 'ENDPOINTS[STR]:' $?
echo 'ENDPOINTS:' "$ENDPOINTS"
echo 'lsfd:' "$tmp"
grep mqueue /proc/self/mountinfo
fi
echo DONE >&"${MKFDS[1]}"
fi
wait ${MKFDS_PID}
} > $TS_OUTPUT 2>&1
ts_finalize
|
