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#!/bin/sh
#
# Check that -p pid1 -Y -p pid2 prints /proc/$pid1/comm properly.
#
# Copyright (c) 2021 Dmitry V. Levin <ldv@strace.io>
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
run_prog_skip_if_failed kill -0 $$
run_prog ../strace-p1-Y-p 0 > /dev/null 3>&1
run_prog ../strace-p-Y-p2 0 > /dev/null 3>&1
run_tracee()
{
local file
file="$1"; shift
../set_ptracer_any "$@" > /dev/null 3> "$file" &
pid=$!
while ! [ -s "$file" ]; do
kill -0 $pid 2> /dev/null ||
fail_ 'set_ptracer_any "$*" failed'
done
}
run_tracee "$EXP" ../strace-p1-Y-p 2
pid1=$pid
run_tracee "$OUT" ../strace-p-Y-p2 3
pid2=$pid
run_strace -enone -p "$pid1" -Y -p "$pid2"
# merge expected output
cat "$OUT" >> "$EXP"
# filter out unrelated strace output
grep -F +++ "$LOG" > "$OUT"
match_diff "$OUT" "$EXP"
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