svn commit: r234696 - projects/stress2/misc

[Peter Holm]

Author: pho
Date: Thu Apr 26 08:37:51 2012
New Revision: 234696
URL: http://svn.freebsd.org/changeset/base/234696

Log:
  Added regression test for posix_fadvise(2).

Added:
  projects/stress2/misc/posix_fadvise.sh   (contents, props changed)

Added: projects/stress2/misc/posix_fadvise.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ projects/stress2/misc/posix_fadvise.sh	Thu Apr 26 08:37:51 2012	(r234696)
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2012 Peter Holm <pho at FreeBSD.org>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# Memory leak. Fixed in r232702.
+
+
+. ../default.cfg
+
+odir=`pwd`
+cd /tmp
+sed '1,/^EOF/d' < $odir/$0 > posix_fadvise.c
+cc -o posix_fadvise -Wall -Wextra -O2 -g posix_fadvise.c
+
+n1=`vmstat -m | grep fadvise | awk '{print $2 + 0}'`
+/tmp/posix_fadvise 
+n2=`vmstat -m | grep fadvise | awk '{print $2 + 0}'`
+if [ $((n2 - n1)) -gt 10 ]; then
+	echo FAIL
+	vmstat -m | sed -n '1p;/fadvise/p'
+fi
+
+rm -f /tmp/posix_fadvise posix_fadvise.c
+exit
+EOF
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+	off_t len, offset;
+	int advise, fd, i;
+
+	for (i = 0; i < 500; i++) {
+		if ((fd = open("posix_fadvise.c", O_RDONLY)) == -1)
+			err(1, "open()");
+		offset = arc4random();
+		len = arc4random();
+		advise = arc4random() % 6;
+		if (posix_fadvise(fd, offset, len, advise) == -1)
+			warn("posix_fadvise");
+		close(fd);
+	}
+	return (0);
+}