#!/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="signalfd"

. "$TS_TOPDIR"/functions.sh
ts_init "$*"
# s390x and riscv64 reported the same error:
#
#           lsfd: signalfd                       ...
#  diff-{{{
#  --- /home/runner/work/util-linux/util-linux/tests/expected/lsfd/mkfds-signalfd	2023-06-08 10:20:13.520555037 +0000
#  +++ /home/runner/work/util-linux/util-linux/tests/output/lsfd/mkfds-signalfd	2023-06-08 11:12:21.150054369 +0000
#  @@ -1,2 +1,2 @@
#  -    3 signalfd mask=FPE,USR1,42   FPE,USR1,42
#  +    3 signalfd mask=FPE,USR1,44   FPE,USR1,44
#   ASSOC,TYPE,NAME,SIGNALFD.MASK: 0
#  }}}-diff
#
#   FAILED (lsfd/mkfds-signalfd)
#
# The error is nothing to do with endianness; the endian s390x is
# big-endian. riscv64 is little-endian.
#
# So Qemu's user emulation is suspicious.
ts_skip_qemu_user

ts_check_test_command "$TS_CMD_LSFD"
ts_check_test_command "$TS_HELPER_MKFDS"

ts_cd "$TS_OUTDIR"

PID=
FD=3

COL=ASSOC,TYPE,NAME,SIGNALFD.MASK
EXPR='(FD == '"$FD"')'

{
    coproc MKFDS { "$TS_HELPER_MKFDS" signalfd $FD; }
    if read -u ${MKFDS[0]} PID; then
	${TS_CMD_LSFD} -p "${PID}" -n -o "${COL}" -Q "${EXPR}"
	echo "${COL}": $?

	echo DONE >&"${MKFDS[1]}"
    fi
    wait "${MKFDS_PID}"
} > "$TS_OUTPUT" 2>&1

ts_finalize