From owner-svn-src-user@freebsd.org Mon Jan 16 11:04:37 2017 Return-Path: Delivered-To: svn-src-user@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 94AA0CB0A6D for ; Mon, 16 Jan 2017 11:04:37 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 6EB0610B0; Mon, 16 Jan 2017 11:04:37 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v0GB4a4c001699; Mon, 16 Jan 2017 11:04:36 GMT (envelope-from pho@FreeBSD.org) Received: (from pho@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v0GB4a8e001698; Mon, 16 Jan 2017 11:04:36 GMT (envelope-from pho@FreeBSD.org) Message-Id: <201701161104.v0GB4a8e001698@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pho set sender to pho@FreeBSD.org using -f From: Peter Holm Date: Mon, 16 Jan 2017 11:04:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r312282 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jan 2017 11:04:37 -0000 Author: pho Date: Mon Jan 16 11:04:36 2017 New Revision: 312282 URL: https://svnweb.freebsd.org/changeset/base/312282 Log: Added a new test. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/posix_openpt2.sh (contents, props changed) Added: user/pho/stress2/misc/posix_openpt2.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/posix_openpt2.sh Mon Jan 16 11:04:36 2017 (r312282) @@ -0,0 +1,154 @@ +#!/bin/sh + +# +# Copyright (c) 2016 EMC Corp. +# All rights reserved. +# +# 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: Assertion !tty_gone(tp) failed at ttydevsw.h:153" seen. +# https://people.freebsd.org/~pho/stress/log/posix_openpt2.txt +# Fixed by r312077 + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > posix_openpt2.c +mycc -o posix_openpt2 -Wall -Wextra -O2 posix_openpt2.c -lutil || exit 1 +rm -f posix_openpt2.c + +/tmp/posix_openpt2 & + +while kill -0 $! 2>/dev/null; do + $here/../testcases/swap/swap -t 2m -i 20 +done +wait + +rm -f /tmp/posix_openpt2 +exit 0 +EOF +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define LOOPS 10 +#define PARALLEL 2 +#define RUNTIME 300 + +void +churn(char *path) +{ + FTS *fts; + FTSENT *p; + time_t start; + int fd, ftsoptions; + char *args[2]; + + ftsoptions = FTS_PHYSICAL; + args[0] = path; + args[1] = 0; + + setproctitle("churn"); + start = time(NULL); + while (time(NULL) - start < RUNTIME / LOOPS) { + if ((fts = fts_open(args, ftsoptions, NULL)) == NULL) + err(1, "fts_open"); + + while ((p = fts_read(fts)) != NULL) { + if (p->fts_info == FTS_D || + p->fts_info == FTS_DP) + continue; + if ((fd = open(p->fts_path, O_RDONLY)) > 0) + close(fd); + + } + + if (errno != 0 && errno != ENOENT) + err(1, "fts_read"); + if (fts_close(fts) == -1) + err(1, "fts_close()"); + } + + _exit(0); +} + +void +pty(void) +{ + time_t start; + int masterfd, slavefd; + char *slave; + + start = time(NULL); + while (time(NULL) - start < RUNTIME / LOOPS) { + if ((masterfd = posix_openpt(O_RDWR | O_NOCTTY)) == -1) + err(1, "posix_openpt"); + if ((slave = ptsname (masterfd)) == NULL) + err(1, "ptsname"); + if ((slavefd = open(slave, O_RDWR|O_NOCTTY)) == -1) + err(1, "open(%s)", slave); + usleep(arc4random() % 10000); + close(slavefd); + close(masterfd); + } + _exit(0); +} + +int +main(void) +{ + int i, j; + + for (j = 0; j < LOOPS; j++) { + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + pty(); + } + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + churn("/dev/pts"); + } + for (i = 0; i < 2 * PARALLEL; i++) + wait(NULL); + } + + return (0); +}