2013-02-03 17:27:57 +01:00
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#! /bin/sh
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# runtest wrapper to reliably reproduce racy incomplete reads in the testsuite.
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2014-01-01 04:54:24 +01:00
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# Copyright (C) 2013-2014 Free Software Foundation, Inc.
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2013-02-03 17:27:57 +01:00
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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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#
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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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#
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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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# This tool excercise any incomplete reads handling in the testsuite by
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# simulating read always returns just 1 character.
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# Testsuite incompatibilities are tracked as GDB PR testsuite/12649.
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# Example usage:
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#
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# bash$ cd $objdir/gdb/testsuite
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# bash$ EXPECT=$srcdir/gdb/contrib/expect-read1.sh runtest
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# or
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# bash$ EXPECT=../contrib/expect-read1.sh runtest
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C=`echo $0|sed 's/\.sh$/.c/'`
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if ! test -e $C; then
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echo >&2 "$0: Cannot find 'srcdir/gdb/contrib/expect-read1.c' at '$C'."
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exit 2
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fi
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SO=/tmp/expect-read1.$$.so
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rm -f $SO
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CMD="${CC_FOR_TARGET:-gcc} -o $SO -Wall -fPIC -shared $C"
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if ! $CMD; then
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echo >&2 "$0: Failed: $CMD"
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exit 2
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fi
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trap "rm -f $SO" EXIT
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LD_PRELOAD=$SO expect "$@"
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