#!/bin/sh -efu
#
# Copyright (c) 2018-2021 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later

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

# strace -y is implemented using /proc/$pid/fd
[ -d /proc/self/fd/ ] ||
	framework_skip_ '/proc/self/fd/ is not available'

case "$SIZEOF_LONG" in
	4) rval=508935919;;
	8) rval=841540765612359407;;
esac

run_strace -a20 -y -e trace=bpf -e inject=bpf:retval="${rval}" ../bpf-success-long-y < /dev/full > "$EXP"
match_diff "$LOG" "$EXP"