| 1 | #! /bin/sh |
| 2 | # runtest wrapper to reliably reproduce racy incomplete reads in the testsuite. |
| 3 | |
| 4 | # Copyright (C) 2013-2018 Free Software Foundation, Inc. |
| 5 | # This program is free software; you can redistribute it and/or modify |
| 6 | # it under the terms of the GNU General Public License as published by |
| 7 | # the Free Software Foundation; either version 3 of the License, or |
| 8 | # (at your option) any later version. |
| 9 | # |
| 10 | # This program is distributed in the hope that it will be useful, |
| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | # GNU General Public License for more details. |
| 14 | # |
| 15 | # You should have received a copy of the GNU General Public License |
| 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | # This tool exercises any incomplete reads handling in the testsuite by |
| 19 | # simulating read always returns just 1 character. |
| 20 | # Testsuite incompatibilities are tracked as GDB PR testsuite/12649. |
| 21 | |
| 22 | # Example usage: |
| 23 | # |
| 24 | # bash$ cd $objdir/gdb/testsuite |
| 25 | # bash$ EXPECT=$srcdir/gdb/contrib/expect-read1.sh runtest |
| 26 | # or |
| 27 | # bash$ EXPECT=../contrib/expect-read1.sh runtest |
| 28 | |
| 29 | C=`echo $0|sed 's/\.sh$/.c/'` |
| 30 | if ! test -e $C; then |
| 31 | echo >&2 "$0: Cannot find 'srcdir/gdb/contrib/expect-read1.c' at '$C'." |
| 32 | exit 2 |
| 33 | fi |
| 34 | SO=/tmp/expect-read1.$$.so |
| 35 | rm -f $SO |
| 36 | CMD="${CC_FOR_TARGET:-gcc} -o $SO -Wall -fPIC -shared $C" |
| 37 | if ! $CMD; then |
| 38 | echo >&2 "$0: Failed: $CMD" |
| 39 | exit 2 |
| 40 | fi |
| 41 | trap "rm -f $SO" EXIT |
| 42 | LD_PRELOAD=$SO expect "$@" |