78 lines
2.2 KiB
Bash
Executable File
78 lines
2.2 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) 2018 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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# "panic: Bad tailq NEXT(0xfffff815a589e238->tqh_last) != NULL" seen.
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# https://people.freebsd.org/~pho/stress/log/kevent14.txt
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# Fixed by r340734.
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# Test scenario by: Mark Johnston <markj@freebsd.org>
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cat > /tmp/kevent14.c <<EOF
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#include <sys/event.h>
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#include <err.h>
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#include <time.h>
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#include <stdlib.h>
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int
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main(void)
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{
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struct kevent ev[2];
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time_t start;
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int kq, ret;
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kq = kqueue();
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if (kq < 0)
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err(1, "kqueue");
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EV_SET(&ev[0], 42, EVFILT_TIMER, EV_ADD | EV_ENABLE | EV_ONESHOT, 0,
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0, 0);
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start = time(NULL);
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while (time(NULL) - start < 120) {
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ret = kevent(kq, &ev[0], 1, &ev[1], 1, NULL);
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if (ret < 0)
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err(1, "kevent");
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if (ret == 0)
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errx(1, "no events");
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if (ret == 1 && (ev[1].flags & EV_ERROR) != 0)
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errc(1, ev[1].data, "kevent");
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}
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return (0);
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}
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EOF
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cc -o /tmp/kevent14 -Wall -Wextra -g -O2 /tmp/kevent14.c
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rm /tmp/kevent14.c
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/tmp/kevent14
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rm -f /tmp/kevent14
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exit 0
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