Date: Tue, 20 Nov 2018 09:35:38 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r340667 - user/pho/stress2/misc Message-ID: <201811200935.wAK9ZcJv068920@repo.freebsd.org>
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Author: pho Date: Tue Nov 20 09:35:37 2018 New Revision: 340667 URL: https://svnweb.freebsd.org/changeset/base/340667 Log: Added a kevent(2) test scenario. Submitted by: Mark Johnston <markj@freebsd.org> Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/kevent14.sh (contents, props changed) Added: user/pho/stress2/misc/kevent14.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/kevent14.sh Tue Nov 20 09:35:37 2018 (r340667) @@ -0,0 +1,77 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2018 Dell EMC Isilon +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ +# +# "panic: Bad tailq NEXT(0xfffff815a589e238->tqh_last) != NULL" seen. +# https://people.freebsd.org/~pho/stress/log/kevent14.txt + +# Test scenario by: Mark Johnston <markj@freebsd.org> + +cat > /tmp/kevent14.c <<EOF +#include <sys/event.h> + +#include <err.h> +#include <time.h> +#include <stdlib.h> + +int +main(void) +{ + struct kevent ev[2]; + time_t start; + int kq, ret; + + kq = kqueue(); + if (kq < 0) + err(1, "kqueue"); + + EV_SET(&ev[0], 42, EVFILT_TIMER, EV_ADD | EV_ENABLE | EV_ONESHOT, 0, + 0, 0); + + start = time(NULL); + while (time(NULL) - start < 120) { + ret = kevent(kq, &ev[0], 1, &ev[1], 1, NULL); + if (ret < 0) + err(1, "kevent"); + if (ret == 0) + errx(1, "no events"); + if (ret == 1 && (ev[1].flags & EV_ERROR) != 0) + errc(1, ev[1].data, "kevent"); + } + + return (0); +} +EOF +cc -o /tmp/kevent14 -Wall -Wextra -g -O2 /tmp/kevent14.c +rm /tmp/kevent14.c + +/tmp/kevent14 + +rm -f /tmp/kevent14 +exit 0
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