1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# 4*8a272653SPeter Holm# Copyright (c) 2016 EMC Corp. 5*8a272653SPeter Holm# All rights reserved. 6*8a272653SPeter Holm# 7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 8*8a272653SPeter Holm# modification, are permitted provided that the following conditions 9*8a272653SPeter Holm# are met: 10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 11*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 13*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 14*8a272653SPeter Holm# documentation and/or other materials provided with the distribution. 15*8a272653SPeter Holm# 16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*8a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*8a272653SPeter Holm# SUCH DAMAGE. 27*8a272653SPeter Holm# 28*8a272653SPeter Holm 29*8a272653SPeter Holm# "panic: Assertion ttyinq_getsize(&tp->t_inq) == 0 failed" seen. 30*8a272653SPeter Holm# https://people.freebsd.org/~pho/stress/log/posix_openpt.txt 31*8a272653SPeter Holm# Test scenario by brde@ 32*8a272653SPeter Holm 33*8a272653SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 34*8a272653SPeter Holm 35*8a272653SPeter Holm. ../default.cfg 36*8a272653SPeter Holm 37*8a272653SPeter Holmhere=`pwd` 38*8a272653SPeter Holmcd /tmp 39*8a272653SPeter Holmsed '1,/^EOF/d' < $here/$0 > posix_openpt.c 40*8a272653SPeter Holmmycc -o posix_openpt -Wall -Wextra -O2 posix_openpt.c || exit 1 41*8a272653SPeter Holmrm -f posix_openpt.c 42*8a272653SPeter Holm 43*8a272653SPeter Holmfor i in `jot 10`; do 44*8a272653SPeter Holm /tmp/posix_openpt & 45*8a272653SPeter Holmdone 46*8a272653SPeter Holm 47*8a272653SPeter Holmme=`tty` 48*8a272653SPeter Holmstty -f /dev/ptmx 300 2>/dev/null 49*8a272653SPeter Holmfor i in /dev/pts/*; do 50*8a272653SPeter Holm [ $i = $me ] && continue 51*8a272653SPeter Holm stty -f $i 300 2>/dev/null 52*8a272653SPeter Holmdone 53*8a272653SPeter Holmwait 54*8a272653SPeter Holmrm -f /tmp/posix_openpt 55*8a272653SPeter Holm 56*8a272653SPeter Holmexit 57*8a272653SPeter HolmEOF 58*8a272653SPeter Holm#include <err.h> 59*8a272653SPeter Holm#include <fcntl.h> 60*8a272653SPeter Holm#include <stdlib.h> 61*8a272653SPeter Holm#include <unistd.h> 62*8a272653SPeter Holm 63*8a272653SPeter Holmint 64*8a272653SPeter Holmmain(void) 65*8a272653SPeter Holm{ 66*8a272653SPeter Holm int masterfd, slavefd; 67*8a272653SPeter Holm char *slave; 68*8a272653SPeter Holm 69*8a272653SPeter Holm if ((masterfd = posix_openpt(O_RDWR | O_NOCTTY)) == -1) 70*8a272653SPeter Holm err(1, "posix_openpt"); 71*8a272653SPeter Holm if ((slave = ptsname (masterfd)) == NULL) 72*8a272653SPeter Holm err(1, "ptsname"); 73*8a272653SPeter Holm if ((slavefd = open(slave, O_RDWR|O_NOCTTY)) == -1) 74*8a272653SPeter Holm err(1, "open(%s)", slave); 75*8a272653SPeter Holm 76*8a272653SPeter Holm sleep(arc4random() % 60 + 1); 77*8a272653SPeter Holm 78*8a272653SPeter Holm return (0); 79*8a272653SPeter Holm} 80