strace/tests/strace-ff.test

#!/bin/sh
#
# Check -ff option.
#
# Copyright (c) 2016-2018 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later

. "${srcdir=.}/init.sh"

run_prog_skip_if_failed \
	kill -0 $$

../set_ptracer_any ../sleep 3 > "$OUT" &
tracee_pid=$!

while ! [ -s "$OUT" ]; do
	kill -0 $tracee_pid 2> /dev/null ||
		fail_ 'set_ptracer_any sleep failed'
done

run_strace -a14 -eexit_group -ff -p $tracee_pid

# check that output matches
match_diff "$LOG.$tracee_pid"

# check that no other output files have been created
set -- "$LOG".*
[ "$LOG.$tracee_pid" = "$*" ] ||
	fail_ "too many output files: $*"