1#!/bin/sh 2 3# 4# Copyright (c) 2011 Peter Holm <pho@FreeBSD.org> 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# Test for SU problem with "out of inodes" for CREAT 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33. ../default.cfg 34 35here=`pwd` 36cd /tmp 37sed '1,/^EOF/d' < $here/$0 > linger4.c 38mycc -o linger4 -Wall -Wextra -O2 linger4.c 39rm -f linger4.c 40 41mount | grep "$mntpoint" | grep -q md$mdstart && umount $mntpoint 42mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 43 44mdconfig -a -t swap -s 2g -u $mdstart 45bsdlabel -w md$mdstart auto 46[ $# -eq 1 ] && opt="$1" 47[ $# -eq 0 ] && opt="$newfs_flags -n" # No argument == default flag 48echo "newfs $opt md${mdstart}$part" 49newfs $opt md${mdstart}$part > /dev/null 50mount /dev/md${mdstart}$part $mntpoint 51 52cd $mntpoint 53chmod 777 $mntpoint 54 55su $testuser -c "/tmp/linger4" || 56 { ls -la $mntpoint; df -i $mntpoint; } 57 58cd $here 59 60while mount | grep -q $mntpoint; do 61 umount $mntpoint 2> /dev/null || sleep 1 62done 63mdconfig -d -u $mdstart 64rm -f /tmp/linger4 65exit 0 66EOF 67#include <sys/types.h> 68#include <sys/stat.h> 69#include <sys/wait.h> 70 71#include <err.h> 72#include <errno.h> 73#include <fcntl.h> 74#include <stdio.h> 75#include <stdlib.h> 76#include <time.h> 77#include <unistd.h> 78 79#define LOOPS 300 80#define NUMBER 80000 / PARALLEL /* Number of files to use. Max is 131068 */ 81#define PARALLEL 4 82#define TIMEOUT (20 * 60) 83 84void 85Creat(int loopno) 86{ 87 int e, fd, i, j; 88 char file[128]; 89 char path[128]; 90 pid_t pid; 91 92 e = 0; 93 pid = getpid(); 94 sprintf(path, "f%06d", pid); 95 if (mkdir(path, 0770) == -1) 96 warn("mkdir(%s), %s:%d, loop #%d", path, __FILE__, __LINE__, loopno); 97 chdir(path); 98 99 for (j = 0; j < NUMBER; j++) { 100 sprintf(file,"p%05d.%05d", pid, j); 101 if ((fd = creat(file, 0660)) == -1) { 102 if (errno != EINTR) { 103 warn("creat(%s). %s:%d, loop #%d", file, __FILE__, __LINE__, loopno); 104 e = 1; 105 break; 106 } 107 } 108 if (fd != -1 && close(fd) == -1) 109 err(2, "close(%d)", j); 110 111 } 112 113 for (i = --j; i >= 0; i--) { 114 sprintf(file,"p%05d.%05d", pid, i); 115 if (unlink(file) == -1) 116 err(3, "unlink(%s)", file); 117 118 } 119 chdir (".."); 120 if (rmdir(path) == -1) 121 err(1, "rmdir(%s), %s:%d, loop #%d", path, __FILE__, __LINE__, loopno); 122 123 _exit(e); 124} 125 126int 127main() 128{ 129 time_t start; 130 int e, i, j, status; 131 132 e = 0; 133 start = time(NULL); 134 for (j = 0; j < LOOPS; j++) { 135 for (i = 0; i < PARALLEL; i++) { 136 if (fork() == 0) 137 Creat(j); 138 } 139 140 for (i = 0; i < PARALLEL; i++) { 141 wait(&status); 142 e += WEXITSTATUS(status); 143 } 144 if (e != 0) 145 break; 146// sleep(60); /* No problems if this is included */ 147 if (time(NULL) - start > TIMEOUT) { 148 fprintf(stderr, "Timeout.\n"); 149 e++; 150 break; 151 } 152 } 153 154 return (e); 155} 156