115 lines
2.9 KiB
Bash
Executable File
115 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2019 Dell EMC Isilon
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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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# Test threaded access to /dev/midistat.
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# "panic: vm_fault_hold: fault on nofault entry, addr: 0x8b352000" seen.
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# https://people.freebsd.org/~pho/stress/log/mark089.txt
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# Fixed by 351262
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. ../default.cfg
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[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
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dir=/tmp
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odir=`pwd`
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cd $dir
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sed '1,/^EOF/d' < $odir/$0 > $dir/midi2.c
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mycc -o midi2 -Wall -Wextra -O0 -g midi2.c -lpthread || exit 1
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$dir/midi2
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s=$?
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cat /dev/midistat > /dev/null || s=1
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rm -rf midi2 midi2.c midi2.core
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exit $s
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EOF
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#include <sys/param.h>
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#include <machine/atomic.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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static volatile u_int share;
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static int fd;
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static char buf[0xbc59], buf2[0x40eddf];
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#define THREADS 4
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#define RUNTIME (1 * 60)
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#define SYNC 0
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static void *
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t1(void *data __unused)
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{
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atomic_add_int(&share, 1);
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while (share != THREADS)
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;
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pread(fd, buf, 0xbc59, 0x27dbb298LL);
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pread(fd, buf, 0xbc59, 0x104e35c6d22eLL);
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pread(fd, buf2, 0x40eddf, 0x405d1df88cbf41LL);
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return (NULL);
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}
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int
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main(void)
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{
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pthread_t tid[THREADS];
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time_t start;
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int i, rc;
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if ((fd = open("/dev/midistat", O_RDONLY)) == -1)
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err(1, "open(/dev/midistat)");
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start = time(NULL);
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while ((time(NULL) - start) < RUNTIME) {
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share = 0;
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for (i = 0; i < THREADS; i++) {
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if ((rc = pthread_create(&tid[i], NULL, t1, NULL)) !=
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0)
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errc(1, rc, "pthread_create");
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}
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for (i = 0; i < THREADS; i++) {
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if ((rc = pthread_join(tid[i], NULL)) != 0)
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errc(1, rc, "pthread_join");
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}
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}
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return (0);
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}
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