1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# 4*8a272653SPeter Holm# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org> 5*8a272653SPeter Holm# All rights reserved. 6*8a272653SPeter Holm# 7*8a272653SPeter Holm# Redistribution and use in source and binary forms, with or without 8*8a272653SPeter Holm# modification, are permitted provided that the following conditions 9*8a272653SPeter Holm# are met: 10*8a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright 11*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer. 12*8a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 13*8a272653SPeter Holm# notice, this list of conditions and the following disclaimer in the 14*8a272653SPeter Holm# documentation and/or other materials provided with the distribution. 15*8a272653SPeter Holm# 16*8a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*8a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*8a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*8a272653SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*8a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*8a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*8a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*8a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*8a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*8a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*8a272653SPeter Holm# SUCH DAMAGE. 27*8a272653SPeter Holm# 28*8a272653SPeter Holm 29*8a272653SPeter Holm# Memory leak. Fixed in r232702. 30*8a272653SPeter Holm 31*8a272653SPeter Holm. ../default.cfg 32*8a272653SPeter Holm 33*8a272653SPeter Holmodir=`pwd` 34*8a272653SPeter Holmcd /tmp 35*8a272653SPeter Holmsed '1,/^EOF/d' < $odir/$0 > posix_fadvise.c 36*8a272653SPeter Holmmycc -o posix_fadvise -Wall -Wextra -O2 -g posix_fadvise.c 37*8a272653SPeter Holm 38*8a272653SPeter Holmn1=`vmstat -m | grep fadvise | awk '{print $2 + 0}'` 39*8a272653SPeter Holm/tmp/posix_fadvise 40*8a272653SPeter Holmn2=`vmstat -m | grep fadvise | awk '{print $2 + 0}'` 41*8a272653SPeter Holmif [ $((n2 - n1)) -gt 10 ]; then 42*8a272653SPeter Holm echo FAIL 43*8a272653SPeter Holm vmstat -m | sed -n '1p;/fadvise/p' 44*8a272653SPeter Holmfi 45*8a272653SPeter Holm 46*8a272653SPeter Holmrm -f /tmp/posix_fadvise posix_fadvise.c 47*8a272653SPeter Holmexit 48*8a272653SPeter HolmEOF 49*8a272653SPeter Holm#include <err.h> 50*8a272653SPeter Holm#include <fcntl.h> 51*8a272653SPeter Holm#include <stdio.h> 52*8a272653SPeter Holm#include <stdlib.h> 53*8a272653SPeter Holm#include <unistd.h> 54*8a272653SPeter Holm 55*8a272653SPeter Holmint 56*8a272653SPeter Holmmain(void) 57*8a272653SPeter Holm{ 58*8a272653SPeter Holm off_t len, offset; 59*8a272653SPeter Holm int advise, fd, i; 60*8a272653SPeter Holm 61*8a272653SPeter Holm for (i = 0; i < 500; i++) { 62*8a272653SPeter Holm if ((fd = open("posix_fadvise.c", O_RDONLY)) == -1) 63*8a272653SPeter Holm err(1, "open()"); 64*8a272653SPeter Holm offset = arc4random(); 65*8a272653SPeter Holm len = arc4random(); 66*8a272653SPeter Holm advise = arc4random() % 6; 67*8a272653SPeter Holm if (posix_fadvise(fd, offset, len, advise) == -1) 68*8a272653SPeter Holm warn("posix_fadvise"); 69*8a272653SPeter Holm close(fd); 70*8a272653SPeter Holm } 71*8a272653SPeter Holm return (0); 72*8a272653SPeter Holm} 73