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