111 lines
2.7 KiB
Bash
Executable File
111 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2013 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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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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# Regression test: exec returning EIO problem scenario for tmpfs
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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 > tmpfs9.c
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mycc -o tmpfs9 -Wall -Wextra -O2 tmpfs9.c
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rm -f tmpfs9.c
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cd $here
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mount | grep $mntpoint | grep -q tmpfs && umount -f $mntpoint
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mount -t tmpfs tmpfs $mntpoint
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chmod 777 $mntpoint
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cp /usr/bin/true $mntpoint
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su $testuser -c "/tmp/tmpfs9 $mntpoint" &
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while kill -0 $! 2>/dev/null; do
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../testcases/swap/swap -t 2m -i 40 -h
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done
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wait
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while mount | grep $mntpoint | grep -q tmpfs; do
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umount $mntpoint || sleep 1
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done
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rm -f /tmp/tmpfs9
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exit
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EOF
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define N 5000
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#define PARALLEL 10
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const char path[] = "./true";
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void test(void)
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{
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pid_t p;
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int i;
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for (i = 0; i < N; i++) {
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if ((p = fork()) == 0)
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if (execl(path, path, (char *)0) == -1)
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err(1, "exec(%s)", path);
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if (p > 0)
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wait(NULL);
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}
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_exit(0);
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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 i, status;
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if (argc != 2)
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errx(1, "Usage: %s <path>", argv[0]);
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if (chdir(argv[1]) == -1)
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err(1, "chdir(%s)", argv[1]);
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for (i = 0; i < PARALLEL; i++) {
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if (fork() == 0)
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test();
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}
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for (i = 0; i < PARALLEL; i++) {
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wait(&status);
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if (status != 0)
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return (1);
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}
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return (0);
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}
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