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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 whether sort avoids opening more file descriptors than it is
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# allowed when merging files.
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# Copyright (C) 2009-2010 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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if test "$VERBOSE" = yes; then
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set -x
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sort --version
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fi
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. $srcdir/test-lib.sh
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require_ulimit_
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mkdir in err || framework_failure
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for i in `seq 17`; do
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echo $i >in/$i
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done
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# When these tests are run inside the automated testing framework, they
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# have one less available file descriptor than when run outside the
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# automated testing framework. If a test with a batch size of b fails
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# inside the ATF, then the same test with batch size b+1 may pass outside
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# the ATF but fail inside it.
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# The default batch size (nmerge) is 16.
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(ulimit -n 19 \
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&& sort -m --batch-size=16 in/* 2>err/merge-default-err \
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|| ! grep "open failed" err/merge-default-err) || fail=1
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# If sort opens a file (/dev/urandom) to sort by random hashes of keys,
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# it needs to consider this file against its limit on open file
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# descriptors.
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(ulimit -n 20 \
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&& sort -mR --batch-size=16 in/* 2>err/merge-random-err \
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|| ! grep "open failed" err/merge-random-err) || fail=1
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Exit $fail
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