1#!/bin/sh 2 3#- 4# Copyright (c) 2011 Jilles Tjoelker 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# $FreeBSD$ 29 30: "${SED=sed}" 31 32# This test really needs an SMP system. On an UP system, it will 33# usually pass even if the race condition exists. 34if command -v cpuset >/dev/null; then 35 case `cpuset -g -p $$` in 36 *,*) ;; 37 *) 38 echo '1..0 # Skipped: not an SMP system' 39 exit 0 ;; 40 esac 41fi 42 43echo "1..1" 44 45data=abababab 46data=$data$data$data$data 47data=$data$data$data$data 48data=$data$data$data$data 49data=$data$data$data$data 50data="BEGIN 51$data 52END" 53for i in 0 1 2 3 4 5 6 7 8 9; do 54 echo "$data" >file$i 55done 56len=${#data} 57 58i=0 59while [ $i -lt 100 ]; do 60 ${SED} -i.prev "s/$i/ab/" file[0-9] 61 i=$((i+1)) 62done & 63sedproc=$! 64 65while :; do 66 set -- file[0-9] 67 if [ $# -ne 10 ]; then 68 echo "not ok 1 inplace_race" 69 exit 3 70 fi 71done & 72checkproc=$! 73 74wait $sedproc 75kill $checkproc 2>/dev/null 76wait $checkproc >/dev/null 2>&1 77if [ $? -ne 3 ]; then 78 echo "ok 1 inplace_race" 79fi 80