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#!/bin/sh
#
# Check status=none filtering when a non-leader thread invokes execve.
#
# Copyright (c) 2019-2023 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
# Check that PTRACE_EVENT_EXEC support in kernel is good enough.
# The kernel before commit v3.1-rc1~308^2~7 reported 0 instead of old pid.
require_min_kernel_version_or_skip 3.1
# This test requires some concurrency between threads.
require_min_nproc 2
check_prog diff
run_prog_skip_if_failed date +%s > /dev/null
s0="$(date +%s)"
run_prog > /dev/null
set -- -a14 -f -e status=${status_filter:-none} $args
# Due to probabilistic nature of the test, try it several times.
while :; do
> "$LOG" || fail_ "failed to write $LOG"
rc=0
$STRACE -o "$LOG" "$@" > "$EXP" || {
rc=$?
cat < "$LOG" >&2
}
if [ "$rc" = 0 ] && diff -u -- "$EXP" "$LOG"; then
exit 0
fi
s1="$(date +%s)"
[ "$((s1-s0))" -gt "$((TIMEOUT_DURATION/2))" ] ||
continue
[ "$rc" = 0 ] &&
fail_ "$STRACE $* output mismatch" ||
fail_ "$STRACE $* failed with code $rc"
done
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