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# Tests for file descriptor exhaustion.
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# Copyright (C) 2009-2011 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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# Skip the test when running under valgrind.
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( ulimit -n 6; sort < /dev/null ) \
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|| skip_ 'fd-limited sort failed; are you running under valgrind?'
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for i in $(seq 31); do
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echo $i | tee -a in > __test.$i || framework_failure_
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exec 0</dev/null 3<&- 4<&- 5<&-
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sort -n -m __test.* > out
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{ fail=1; echo 'file descriptor exhaustion not handled' 1>&2; }
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echo 32 | tee -a in > in1
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sort -n -m __test.* - < in1 > out
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compare in out || { fail=1; echo 'stdin not handled properly' 1>&2; }