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#!/bin/sh
#
# Check pidns translation of gettid's return value.
#
# Copyright (c) 2020 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: LGPL-2.1-or-later
. "${srcdir=.}/init.sh"
run_prog > /dev/null
run_strace -a9 --pidns-translation -f -e trace=gettid $args > "$EXP"
parent_pid="$(tail -n 2 $LOG | head -n 1 | cut -d' ' -f1)"
init_pid="$(tail -n 1 $LOG | cut -d' ' -f1)"
# uniq: filter out extra gettid calls made by musl libc
grep -E -v "^($parent_pid|$init_pid) |unfinished|resumed" "$LOG" | uniq > "$OUT"
match_diff "$OUT" "$EXP"
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