2 # Ensure that wc prints counts atomically
3 # so that concurrent processes don't intersperse their output
5 # Copyright (C) 2009-2010 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 test "$VERBOSE" = yes && md5sum --version
23 (mkdir tmp && cd tmp && seq 2000 | xargs touch)
25 # This will output at least 16KiB per process
26 # and start 3 processes, with 2 running concurrently,
27 # which triggers often on Fedora 11 at least.
28 (find tmp tmp tmp -type f | xargs -n2000 -P2 wc) |
30 grep . > /dev/null && fail=1