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54 lines
1.7 KiB
Bash
Executable File
54 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Test for sort --compress hang
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# Copyright (C) 2010-2012 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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print_ver_ sort
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very_expensive_
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cat <<\EOF >compress || framework_failure_
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#!/bin/sh
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tr 41 14 || exit
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touch ok
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EOF
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chmod +x compress
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seq -w 200000 > exp || fail=1
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tac exp > in || fail=1
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# When the bug occurs, 'sort' hangs forever. When it doesn't occur,
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# 'sort' could be running slowly on an overburdened machine.
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# On a circa-2010 Linux server using NFS, a successful test completes
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# in about 170 seconds, so specify 1700 seconds as a safety margin.
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timeout 1700 sort --compress-program=./compress -S 1k in > out || fail=1
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compare exp out || fail=1
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test -f ok || fail=1
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rm -f compress ok
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# If $TMPDIR is relative, give subprocesses time to react when 'sort' exits.
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# Otherwise, under NFS, when 'sort' unlinks the temp files and they
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# are renamed to .nfsXXXX instead of being removed, the parent cleanup
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# of this directory will fail because the files are still open.
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case $TMPDIR in
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/*) ;;
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*) sleep 1;;
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esac
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Exit $fail
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