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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="${0%/*}/../.."
TS_DESC="timerfd"
. "$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=
FD=3
EXPR='(FD == '"$FD"')'
ts_init_subtest "realtime-remaining-and-interval"
{
clock=realtime
coproc MKFDS { "$TS_HELPER_MKFDS" timerfd $FD clockid=$clock remaining=99 interval=5 interval-nanofrac=123456789; }
if read -u ${MKFDS[0]} PID; then
${TS_CMD_LSFD} -p "${PID}" -n -o ASSOC,TYPE,NAME -Q "${EXPR}" | \
sed -e 's/remaining=[0-9][0-9]\.[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/remaining=100.987654321/'
echo 'ASSOC,TYPE,NAME': ${PIPESTATUS[0]}
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.CLOCKID -Q "${EXPR}"
echo 'CLOCKID': $?
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.REMAINING -Q "${EXPR}" | \
sed -e 's/^ *[0-9][0-9]\.[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$/100.987654321/'
echo 'TIMERFD.REMAINING': ${PIPESTATUS[0]}
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.INTERVAL -Q "${EXPR}"
echo 'TIMERFD.INTERVAL': $?
echo DONE >&"${MKFDS[1]}"
fi
wait "${MKFDS_PID}"
} > "$TS_OUTPUT" 2>&1
ts_finalize_subtest
ts_init_subtest "monotonic-remaining-only"
{
clock=monotonic
coproc MKFDS { "$TS_HELPER_MKFDS" timerfd $FD clockid=$clock remaining=99 interval=0 interval-nanofrac=0; }
if read -u ${MKFDS[0]} PID; then
EXPR='(FD == '"$FD"')'
${TS_CMD_LSFD} -p "${PID}" -n -o ASSOC,TYPE,NAME -Q "${EXPR}" | \
sed -e 's/remaining=[0-9][0-9]\.[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/remaining=100.987654321/'
echo 'ASSOC,TYPE,NAME': ${PIPESTATUS[0]}
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.CLOCKID -Q "${EXPR}"
echo 'CLOCKID': $?
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.REMAINING -Q "${EXPR}" | \
sed -e 's/^ *[0-9][0-9]\.[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$/100.987654321/'
echo 'TIMERFD.REMAINING': ${PIPESTATUS[0]}
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.INTERVAL -Q "${EXPR}"
echo 'TIMERFD.INTERVAL': $?
echo DONE >&"${MKFDS[1]}"
fi
wait "${MKFDS_PID}"
} > "$TS_OUTPUT" 2>&1
ts_finalize_subtest
ts_init_subtest "boottime-interval-only"
{
clock=boottime
coproc MKFDS { "$TS_HELPER_MKFDS" timerfd $FD clockid=$clock remaining=0 interval=10 interval-nanofrac=123456789; }
if read -u ${MKFDS[0]} PID; then
EXPR='(FD == '"$FD"')'
${TS_CMD_LSFD} -p "${PID}" -n -o ASSOC,TYPE,NAME -Q "${EXPR}"
echo 'ASSOC,TYPE,NAME': $?
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.CLOCKID -Q "${EXPR}"
echo 'CLOCKID': $?
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.REMAINING -Q "${EXPR}"
echo 'TIMERFD.REMAINING': $?
${TS_CMD_LSFD} -p "${PID}" -n -o TIMERFD.INTERVAL -Q "${EXPR}"
echo 'TIMERFD.INTERVAL': $?
echo DONE >&"${MKFDS[1]}"
fi
wait "${MKFDS_PID}"
} > "$TS_OUTPUT" 2>&1
ts_finalize_subtest
ts_finalize
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