80 lines
2.3 KiB
Bash
Executable File
80 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2016 EMC Corp.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# "panic: Assertion ttyinq_getsize(&tp->t_inq) == 0 failed" seen.
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# https://people.freebsd.org/~pho/stress/log/posix_openpt.txt
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# Test scenario by brde@
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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here=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $here/$0 > posix_openpt.c
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mycc -o posix_openpt -Wall -Wextra -O2 posix_openpt.c || exit 1
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rm -f posix_openpt.c
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for i in `jot 10`; do
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/tmp/posix_openpt &
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done
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me=`tty`
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stty -f /dev/ptmx 300 2>/dev/null
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for i in /dev/pts/*; do
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[ $i = $me ] && continue
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stty -f $i 300 2>/dev/null
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done
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wait
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rm -f /tmp/posix_openpt
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exit
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EOF
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#include <err.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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int
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main(void)
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{
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int masterfd, slavefd;
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char *slave;
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if ((masterfd = posix_openpt(O_RDWR | O_NOCTTY)) == -1)
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err(1, "posix_openpt");
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if ((slave = ptsname (masterfd)) == NULL)
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err(1, "ptsname");
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if ((slavefd = open(slave, O_RDWR|O_NOCTTY)) == -1)
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err(1, "open(%s)", slave);
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sleep(arc4random() % 60 + 1);
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return (0);
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}
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