#!/bin/sh
#
# Check rt_sigprocmask and sigreturn/rt_sigreturn decoding.
#
# Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

. "${srcdir=.}/init.sh"

run_prog
run_strace -esignal $args

mask='\[(USR2 CHLD|CHLD USR2) RT_2 RT_3 RT_4 RT_26 RT_27\]'
rt_sigprocmask='rt_sigprocmask\(SIG_SETMASK, '"$mask"', NULL, [[:digit:]]+\) += 0'
osf_sigprocmask='osf_sigprocmask\(SIG_SETMASK, '"$mask"'\) += 0 +\(old mask \[[^]]*\]\)'
EXPECTED="$LOG.expected"

cat > "$EXPECTED" << __EOF__
$rt_sigprocmask|$osf_sigprocmask
(rt_)?sigreturn\\((\\{mask=$mask\\})?\\) += 0
__EOF__

match_grep "$LOG" "$EXPECTED"
rm -f "$EXPECTED"

exit 0