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git://git.sv.gnu.org/coreutils
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Pádraig Brady
f5a97b8269
* src/sort.c (main): Reset the SIGCHLD handler to the default as otherwise wait() could return an error. * tests/misc/sort-compress: Set the CHLD handler in a subshell to SIG_IGN to ensure the sort command resets it to SIG_DFL. * NEWS: Mention the fix.
81 lines
2.3 KiB
Bash
Executable File
81 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# Test use of compression by sort
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# Copyright (C) 2007-2009 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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. $srcdir/test-lib.sh
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seq -w 2000 > exp || framework_failure
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tac exp > in || framework_failure
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SORT="$abs_top_builddir/src/sort"
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# Ensure that $TMPDIR is valid.
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TMPDIR=.; export TMPDIR
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# This should force the use of temp files
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sort -S 1k in > out || fail=1
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compare exp out || fail=1
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# Create our own gzip program that will be used as the default
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cat <<\EOF > gzip || fail=1
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#!/bin/sh
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tr 41 14
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touch ok
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EOF
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chmod +x gzip
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# Ensure `sort` is immune to parent's SIGCHLD handler
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# Use a subshell and an exec to work around a bug in FreeBSD 5.0 /bin/sh.
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(
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# ash doesn't support "trap '' CHLD"; it knows only signal numbers.
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sig=`"$abs_top_builddir/src/kill" -l CHLD 2>/dev/null` && trap '' $sig
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# This should force the use of child processes for "compression"
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PATH=.:$PATH exec sort -S 1k --compress-program=gzip in > /dev/null
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) || fail=1
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# This will find our new gzip in PATH
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PATH=.:$PATH sort -S 1k --compress-program=gzip in > out || fail=1
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compare exp out || fail=1
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test -f ok || fail=1
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rm -f ok
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# This is to make sure it works with no compression.
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PATH=.:$PATH sort -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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# This is to make sure we can use something other than gzip
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mv gzip dzip || fail=1
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sort --compress-program=./dzip -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 ok
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# Make sure it can find other programs in PATH correctly
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PATH=.:$PATH sort --compress-program=dzip -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 dzip ok
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Exit $fail
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