1#!/bin/sh 2 3# 4# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Memory leak. Fixed in r232702. 30 31. ../default.cfg 32 33odir=`pwd` 34cd /tmp 35sed '1,/^EOF/d' < $odir/$0 > posix_fadvise.c 36mycc -o posix_fadvise -Wall -Wextra -O2 -g posix_fadvise.c 37 38n1=`vmstat -m | grep fadvise | awk '{print $2 + 0}'` 39/tmp/posix_fadvise 40n2=`vmstat -m | grep fadvise | awk '{print $2 + 0}'` 41if [ $((n2 - n1)) -gt 10 ]; then 42 echo FAIL 43 vmstat -m | sed -n '1p;/fadvise/p' 44fi 45 46rm -f /tmp/posix_fadvise posix_fadvise.c 47exit 48EOF 49#include <err.h> 50#include <fcntl.h> 51#include <stdio.h> 52#include <stdlib.h> 53#include <unistd.h> 54 55int 56main(void) 57{ 58 off_t len, offset; 59 int advise, fd, i; 60 61 for (i = 0; i < 500; i++) { 62 if ((fd = open("posix_fadvise.c", O_RDONLY)) == -1) 63 err(1, "open()"); 64 offset = arc4random(); 65 len = arc4random(); 66 advise = arc4random() % 6; 67 if (posix_fadvise(fd, offset, len, advise) == -1) 68 warn("posix_fadvise"); 69 close(fd); 70 } 71 return (0); 72} 73