diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 17:39:29 +0000 |
commit | 8ffec2a3aba6f114784e11f89ef1d57a096ae540 (patch) | |
tree | ccebcbad06203e8241a8e7249f8e6c478a3682ea /tests/misc/wc-parallel.sh | |
parent | Initial commit. (diff) | |
download | coreutils-8ffec2a3aba6f114784e11f89ef1d57a096ae540.tar.xz coreutils-8ffec2a3aba6f114784e11f89ef1d57a096ae540.zip |
Adding upstream version 8.32.upstream/8.32upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/misc/wc-parallel.sh')
-rwxr-xr-x | tests/misc/wc-parallel.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/misc/wc-parallel.sh b/tests/misc/wc-parallel.sh new file mode 100755 index 0000000..4da4d94 --- /dev/null +++ b/tests/misc/wc-parallel.sh @@ -0,0 +1,36 @@ +#!/bin/sh +# Ensure that wc prints counts atomically +# so that concurrent processes don't intersperse their output + +# Copyright (C) 2009-2020 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ wc + +xargs -P2 </dev/null >/dev/null 2>&1 \ + || skip_ 'xargs -P is required' + +(mkdir tmp && cd tmp && seq 2000 | xargs touch) + +# This will output at least 16KiB per process +# and start 3 processes, with 2 running concurrently, +# which triggers often on Fedora 11 at least. +(find tmp tmp tmp -type f | xargs -n2000 -P2 wc 2>err) | +sed -n '/0 0 0 /!p' | +grep . > /dev/null && fail=1 +compare /dev/null err || fail=1 + +Exit $fail |