Date: Thu, 10 Oct 2013 11:47:51 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r256262 - user/pho/stress2/misc Message-ID: <201310101147.r9ABlp6g081906@svn.freebsd.org>
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Author: pho Date: Thu Oct 10 11:47:50 2013 New Revision: 256262 URL: http://svnweb.freebsd.org/changeset/base/256262 Log: Added regression test. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/fdgrowtable.sh (contents, props changed) Added: user/pho/stress2/misc/fdgrowtable.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/fdgrowtable.sh Thu Oct 10 11:47:50 2013 (r256262) @@ -0,0 +1,104 @@ +#!/bin/sh + +# +# Copyright (c) 2013 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. +# +# $FreeBSD$ +# + +# Regression test for r236822. +# http://people.freebsd.org/~pho/stress/log/fdgrowtable.txt +# Fixed in r256210. + +. ../default.cfg + +max=`sysctl kern.maxfilesperproc | sed 's/.*: //'` + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > fdgrowtable.c +cc -o fdgrowtable -Wall -Wextra -O2 fdgrowtable.c || exit 1 +rm -f fdgrowtable.c +cd $here + +su ${testuser} -c "/tmp/fdgrowtable $max" & +while kill -0 $! 2>/dev/null; do + ../testcases/swap/swap -t 2m -i 40 -h +done +wait +rm -d /tmp/fdgrowtable +exit + +EOF +#include <sys/types.h> +#include <fcntl.h> +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <sys/wait.h> +#include <unistd.h> + +#define PARALLEL 3 + +int max; + +void test(void) +{ + int i; + + for (i = 0; i < max; i++) { + if (dup2(1, i + 3) == -1) + err(1, "dup2(%d)", i + 3); + } + _exit(0); +} + + +int +main(int argc, char **argv) +{ + int i, j; + + if (argc == 2) + max = atoi(argv[1]); + else + err(1, "Usage: %s <maxfiles>", argv[0]); + + max = (max - 3) / PARALLEL; + + for (j = 0; j < 300; j++) { + for (i = 0; i < PARALLEL; i++) { + if (fork() == 0) + test(); + } + + for (i = 0; i < PARALLEL; i++) + wait(NULL); + } + + return (0); +}
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