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80 lines
2.1 KiB
Bash
Executable file
80 lines
2.1 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2009 Peter Holm <pho@FreeBSD.org>
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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: swap_reserved < decr" seen. Fixed in r195329
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. ../default.cfg
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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odir=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $odir/$0 > mlockall.c
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mycc -o mlockall -Wall mlockall.c
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rm -f mlockall.c
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for i in `jot 10`; do
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/tmp/mlockall &
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sleep 1
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ps -x | grep /tmp/mlockall | grep -v grep | awk '{print $1}' | \
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while read pid; do
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kill -2 $pid
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kill -9 $pid
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done
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done
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rm -f /tmp/mlockall
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exit
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EOF
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#include <err.h>
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#include <stdlib.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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void
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child(void)
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{
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if (mlockall(MCL_CURRENT | MCL_FUTURE) == -1)
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err(1, "mlockall(MCL_CURRENT | MCL_FUTURE)");
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fork();
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sleep(60);
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}
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int
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main(int argc, char **argv)
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{
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int status;
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if (fork() == 0)
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child();
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wait(&status);
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return (0);
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}
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