#!/bin/sh
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#
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# Check that strace does not leak placeholder descriptors.
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#
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# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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# Copyright (c) 2016-2017 The strace developers.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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. "${srcdir=.}/init.sh"
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case "$STRACE" in
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*valgrind\ *--suppressions=*)
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skip_ 'incompatible with valgrind' ;;
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esac
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fd0="$LOG.fd0"
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fd1="$LOG.fd1"
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fd2="$LOG.fd2"
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check_prog touch
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check_fd()
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{
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local a1 a2 a3
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a1="$1"
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a2="$2"
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a3="$3"
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rm -f "$LOG" "$fd0" "$fd1" "$fd2"
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touch "$LOG" "$fd0" ||
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framework_skip_ 'failed to create files'
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set -- "\"../$NAME\"" "\"$1\"" "\"$2\"" "\"$3\""
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eval "$@" "<${a1:-&-}" ">${a2:-&-}" "2>${a3:-&-}" ||
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fail_ "$* failed with code $rc"
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set -- "$STRACE" -o"$LOG" -echdir "$@"
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eval "$@" "<${a1:-&-}" ">${a2:-&-}" "2>${a3:-&-}" ||
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dump_log_and_fail_with "$* failed with code $?"
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}
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check_fd "$fd0" "$fd1" "$fd2"
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check_fd '' "$fd1" "$fd2"
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check_fd "$fd0" '' "$fd2"
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check_fd "$fd0" "$fd1" ''
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check_fd '' '' "$fd2"
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check_fd '' "$fd1" ''
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check_fd "$fd0" '' ''
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check_fd '' '' ''
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