Date: Mon, 18 Jun 2012 07:37:31 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r237220 - projects/stress2/misc Message-ID: <201206180737.q5I7bVOv062636@svn.freebsd.org>
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Author: pho Date: Mon Jun 18 07:37:30 2012 New Revision: 237220 URL: http://svn.freebsd.org/changeset/base/237220 Log: Regression test for r237219 added. Added: projects/stress2/misc/pts.sh (contents, props changed) Added: projects/stress2/misc/pts.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/pts.sh Mon Jun 18 07:37:30 2012 (r237220) @@ -0,0 +1,140 @@ +#!/bin/sh + +# +# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org> +# 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. +# +# $FreeBSD$ +# + +# Page fault in ttydev_open+0x2d seen. Fixed in r237219. + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > pts.c +cc -o pts -Wall -Wextra -O2 pts.c -lutil +rm -f pts.c + +/tmp/pts & + +while kill -0 $! 2>/dev/null; do + $here/../testcases/swap/swap -t 2m -i 20 +done +wait + +rm -f /tmp/pts +exit 0 +EOF +#include <sys/types.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <fts.h> +#include <libutil.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/ioctl.h> +#include <sys/param.h> +#include <sys/wait.h> +#include <termios.h> +#include <unistd.h> + +void +churn(char *path) +{ + + FTS *fts; + FTSENT *p; + int fd, ftsoptions, i; + char *args[2]; + + ftsoptions = 0; + args[0] = path; + args[1] = 0; + + setproctitle("churn"); + for (i = 0; i < 5000; i++) { + 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) +{ + int i, master, slave; + char slname[1025]; + + setproctitle("pty"); + for (i = 0; i < 20000; i++) { + if (openpty(&master, &slave, slname, NULL, NULL) == -1) + err(1, "openpty"); + if (close(master) == -1) + err(1, "close(master)"); + if (close(slave) == -1) + err(1, "close(%s)", slname); + } + _exit(0); +} + +int +main(void) +{ + int i, j; + + for (j = 0; j < 10; j++) { + for (i = 0; i < 2; i++) { + if (fork() == 0) + pty(); + } + for (i = 0; i < 2; i++) { + if (fork() == 0) + churn("/dev/pts"); + } + for (i = 0; i < 4; i++) + wait(NULL); + } + + return (0); +}
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