1#!/bin/sh 2 3# 4# Copyright (c) 2012 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# Page fault in ttydev_open+0x2d seen. Fixed in r237219. 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/$0 > pts.c 38mycc -o pts -Wall -Wextra -O2 pts.c -lutil || exit 1 39rm -f pts.c 40 41/tmp/pts & 42pid=$! 43 44while kill -0 $! 2>/dev/null; do 45 $here/../testcases/swap/swap -t 2m -i 20 > /dev/null 46done 47wait $pid 48status=$? 49 50rm -f /tmp/pts 51exit $status 52EOF 53#include <sys/types.h> 54#include <sys/ioctl.h> 55#include <sys/param.h> 56#include <sys/wait.h> 57 58#include <err.h> 59#include <errno.h> 60#include <fcntl.h> 61#include <fts.h> 62#include <libutil.h> 63#include <stdint.h> 64#include <stdio.h> 65#include <stdlib.h> 66#include <string.h> 67#include <termios.h> 68#include <time.h> 69#include <unistd.h> 70 71#define LOOPS 10 72#define RUNTIME 60 73 74void 75churn(char *path) 76{ 77 FTS *fts; 78 FTSENT *p; 79 time_t start; 80 int fd, ftsoptions; 81 char *args[2]; 82 83 ftsoptions = FTS_PHYSICAL; 84 args[0] = path; 85 args[1] = 0; 86 87 setproctitle("churn"); 88 start = time(NULL); 89 while (time(NULL) - start < RUNTIME) { 90 if ((fts = fts_open(args, ftsoptions, NULL)) == NULL) 91 err(1, "fts_open"); 92 93 while ((p = fts_read(fts)) != NULL) { 94 if (p->fts_info == FTS_D || 95 p->fts_info == FTS_DP) 96 continue; 97 if ((fd = open(p->fts_path, O_RDONLY)) > 0) 98 close(fd); 99 100 } 101 102 if (errno != 0 && errno != ENOENT) 103 err(1, "fts_read"); 104 if (fts_close(fts) == -1) 105 err(1, "fts_close()"); 106 } 107 108 _exit(0); 109} 110 111void 112pty(void) 113{ 114 time_t start; 115 int master, slave; 116 char slname[1025]; 117 118 start = time(NULL); 119 while (time(NULL) - start < RUNTIME) { 120 if (openpty(&master, &slave, slname, NULL, NULL) == -1) 121 err(1, "openpty"); 122 usleep(arc4random() % 10000); 123 if (close(master) == -1) 124 err(1, "close(master)"); 125 if (close(slave) == -1) 126 err(1, "close(%s)", slname); 127 } 128 _exit(0); 129} 130 131int 132main(void) 133{ 134 int i, j, s, status; 135 136 status = 0; 137 for (j = 0; j < LOOPS && status == 0; j++) { 138 for (i = 0; i < 2; i++) { 139 if (fork() == 0) 140 pty(); 141 } 142 for (i = 0; i < 2; i++) { 143 if (fork() == 0) 144 churn("/dev/pts"); 145 } 146 for (i = 0; i < 4; i++) { 147 wait(&s); 148 if (s != 0) 149 status = 1; 150 } 151 } 152 153 return (status); 154} 155