Date: Wed, 8 May 2013 06:59:08 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r250349 - user/pho/stress2/misc Message-ID: <201305080659.r486x8qR080850@svn.freebsd.org>
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Author: pho Date: Wed May 8 06:59:07 2013 New Revision: 250349 URL: http://svnweb.freebsd.org/changeset/base/250349 Log: Added shm_open(2) test scenario. Added: user/pho/stress2/misc/shm_open.sh (contents, props changed) Added: user/pho/stress2/misc/shm_open.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/shm_open.sh Wed May 8 06:59:07 2013 (r250349) @@ -0,0 +1,73 @@ +#!/bin/sh + +# +# Copyright (c) 2013 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. +# +# $FreeBSD$ +# + +# "panic: kmem_malloc(4096): kmem_map too small" seen. + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/shm_open.c +cc -o shm_open -Wall -Wextra -O2 -g shm_open.c || exit 1 +rm -f shm_open.c +cd $odir + +su $testuser -c /tmp/shm_open + +rm -f /tmp/shm_open +exit + +EOF +#include <err.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/mman.h> +#include <unistd.h> + +int +main(void) +{ + int fd, i; + off_t len; + char name[80]; + + len = 1024 * 1024; + for (i = 0; i < 500000; i++) { + sprintf(name, "/testing.%06d", i); + + if ((fd = shm_open(name, O_RDWR | O_CREAT, 0644)) == -1) + err(1, "shm_open()"); + if (ftruncate(fd, len) == -1) + err(1, "ftruncate"); + close(fd); + } + + return(0); +}
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