1#!/bin/sh
2#
3# Check decoding and dumping of readv and writev syscalls.
4#
5# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6# Copyright (c) 2016-2017 The strace developers.
7# All rights reserved.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17# 3. The name of the author may not be used to endorse or promote products
18#    derived from this software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31. "${srcdir=.}/init.sh"
32
33run_strace_match_diff -a16 -e trace=readv,writev \
34	-eread=all -ewrite='!none'
35run_strace_match_diff -a16 -e trace=readv,writev \
36	-eread='!none' -ewrite=all
37run_strace_match_diff -a16 -e trace=readv,writev \
38	-eread=none -ewrite='!all' -eread='!0,1,2' -ewrite='!0,1,2'
39run_strace_match_diff -a16 -e trace=readv,writev \
40	-eread='!all' -ewrite=none -eread='!0,1,2' -ewrite='!0,1,2'
41
42wfd="$(../print_maxfd)"
43rfd="$(($wfd - 1))"
44run_strace_match_diff -a16 -e trace=readv,writev \
45	-eread="$rfd" -ewrite="$wfd"
46run_strace_match_diff -a16 -e trace=readv,writev \
47	-eread="!$rfd" -ewrite="!$wfd" -eread="$rfd" -ewrite="$wfd"
48
49rfds='!!!0'
50[ $rfd -lt 1023 ] || rfd=1023
51i=0
52while [ $i -lt $rfd ]; do
53	rfds="$rfds,$i"
54	i=$(($i + 1))
55done
56
57wfds='!!!0'
58[ $wfd -lt 1023 ] || wfd=1023
59i=0
60while [ $i -lt $wfd ]; do
61	wfds="$wfds,$i"
62	i=$(($i + 1))
63done
64
65run_strace_match_diff -a16 -e trace=readv,writev \
66	-eread="$rfds" -ewrite="$wfds"
67