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