1#!/bin/sh 2 3# 4# Copyright (c) 2013 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Regression test for r236822. 30# http://people.freebsd.org/~pho/stress/log/fdgrowtable.txt 31# Fixed in r256210. 32 33. ../default.cfg 34 35max=`ulimit -n` 36 37here=`pwd` 38cd /tmp 39sed '1,/^EOF/d' < $here/$0 > fdgrowtable.c 40mycc -o fdgrowtable -Wall -Wextra -O2 fdgrowtable.c || exit 1 41rm -f fdgrowtable.c 42cd $here 43 44su $testuser -c "/tmp/fdgrowtable $max" & 45while kill -0 $! 2>/dev/null; do 46 ../testcases/swap/swap -t 2m -i 40 -h 47done 48wait 49rm -f /tmp/fdgrowtable 50exit 51 52EOF 53#include <sys/types.h> 54#include <sys/stat.h> 55#include <sys/wait.h> 56 57#include <err.h> 58#include <errno.h> 59#include <fcntl.h> 60#include <stdio.h> 61#include <stdlib.h> 62#include <time.h> 63#include <unistd.h> 64 65#define PARALLEL 3 66 67int max; 68 69void test(void) 70{ 71 int i; 72 73 for (i = 0; i < max; i++) { 74 if (dup2(1, i + 3) == -1) 75 err(1, "dup2(%d)", i + 3); 76 } 77 _exit(0); 78} 79 80int 81main(int argc, char **argv) 82{ 83 time_t start; 84 int i; 85 86 if (argc == 2) 87 max = atoi(argv[1]); 88 else 89 err(1, "Usage: %s <maxfiles>", argv[0]); 90 91 max = (max - 3) / PARALLEL; 92 93 start = time(NULL); 94 while (time(NULL) - start < 600) { 95 for (i = 0; i < PARALLEL; i++) { 96 if (fork() == 0) 97 test(); 98 } 99 100 for (i = 0; i < PARALLEL; i++) 101 wait(NULL); 102 } 103 104 return (0); 105} 106