1#!/bin/sh 2 3# 4# Copyright (c) 2016 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# "panic: Assertion ttyinq_getsize(&tp->t_inq) == 0 failed" seen. 30# https://people.freebsd.org/~pho/stress/log/posix_openpt.txt 31# Test scenario by brde@ 32 33[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34 35. ../default.cfg 36 37here=`pwd` 38cd /tmp 39sed '1,/^EOF/d' < $here/$0 > posix_openpt.c 40mycc -o posix_openpt -Wall -Wextra -O2 posix_openpt.c || exit 1 41rm -f posix_openpt.c 42 43for i in `jot 10`; do 44 /tmp/posix_openpt & 45done 46 47me=`tty` 48stty -f /dev/ptmx 300 2>/dev/null 49for i in /dev/pts/*; do 50 [ $i = $me ] && continue 51 stty -f $i 300 2>/dev/null 52done 53wait 54rm -f /tmp/posix_openpt 55 56exit 57EOF 58#include <err.h> 59#include <fcntl.h> 60#include <stdlib.h> 61#include <unistd.h> 62 63int 64main(void) 65{ 66 int masterfd, slavefd; 67 char *slave; 68 69 if ((masterfd = posix_openpt(O_RDWR | O_NOCTTY)) == -1) 70 err(1, "posix_openpt"); 71 if ((slave = ptsname (masterfd)) == NULL) 72 err(1, "ptsname"); 73 if ((slavefd = open(slave, O_RDWR|O_NOCTTY)) == -1) 74 err(1, "open(%s)", slave); 75 76 sleep(arc4random() % 60 + 1); 77 78 return (0); 79} 80