4 # Copyright (c) 2011 Jilles Tjoelker
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
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.
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
32 # This test really needs an SMP system. On an UP system, it will
33 # usually pass even if the race condition exists.
34 if command -v cpuset >/dev/null; then
35 case `cpuset -g -p $$` in
38 echo '1..0 # Skipped: not an SMP system'
45 T=$(mktemp -d "${TMPDIR:-/tmp}/sed-test.XXXXXX")
46 trap 'cd /; rm -rf "$T"' 0
50 data=$data$data$data$data
51 data=$data$data$data$data
52 data=$data$data$data$data
53 data=$data$data$data$data
57 for i in 0 1 2 3 4 5 6 7 8 9; do
63 while [ $i -lt 100 ]; do
64 ${SED} -i.prev "s/$i/ab/" file[0-9]
71 if [ $# -ne 10 ]; then
72 echo "not ok 1 inplace_race"
79 kill $checkproc 2>/dev/null
80 wait $checkproc >/dev/null 2>&1
82 echo "ok 1 inplace_race"