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#!/bin/sh
#
# Check how strace -e signal=set works.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2016-2018 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
test_one_sig()
{
local sigs
sigs="$1"; shift
run_prog "../$NAME" "$@" > /dev/null
run_strace -e trace=none -e signal="$sigs" "../$NAME" "$@" > "$EXP"
match_diff "$LOG" "$EXP"
}
test_sigs()
{
local first second sigs
first="$1"; shift
second="$1"; shift
for sigs; do
test_one_sig "$sigs" 2 "$first" 15 "$second"
done
}
test_sigs '' '' \
none '!all' \
CHLD SIGCHLD ALRM SIGALRM \
chld sigchld alrm sigalrm \
CHLD,SIGALRM ALRM,SIGCHLD \
chld,sigalrm alrm,sigchld \
9 9,4 9,4,11 \
4,CHLD,11,ALRM,9 \
'!2,15' '!INT,TERM' '!SIGINT,TERM' '!INT,SIGTERM' '!SIGTERM,SIGINT' \
'!2,INT,TERM' '!2,SIGTERM' '!SIGINT,15' '!INT,SIGTERM,15' \
'!2,4,15' '!15,9,2,11,4'
test_sigs SIGINT '' \
2 INT SIGINT \
CHLD,SIGINT SIGINT,SIGALRM \
chld,sigint sigint,sigalrm \
ALRM,2,SIGCHLD \
'!15' '!TERM' '!SIGTERM' \
'!15,TERM' '!SIGTERM,15,TERM' \
'!SIGALRM,TERM' '!CHLD,SIGTERM' \
'!ALRM,15' '!SIGCHLD,ALRM,SIGTERM,KILL' \
'!4,15' '!15,9,11,4'
test_sigs '' SIGTERM \
15 TERM SIGTERM \
CHLD,SIGTERM SIGTERM,SIGALRM \
chld,sigterm sigterm,sigalrm \
ALRM,15,SIGCHLD \
'!2' '!INT' '!SIGINT' \
'!2,INT' '!SIGINT,2,INT' \
'!SIGALRM,INT' '!CHLD,SIGINT' \
'!ALRM,2' '!SIGCHLD,ALRM,SIGINT,KILL' \
'!4,2' '!2,9,11,4'
test_sigs SIGINT SIGTERM \
all '!none' \
INT,TERM SIGINT,TERM SIGTERM,INT SIGINT,SIGTERM \
int,term sigint,term sigterm,int sigint,sigterm \
2,15 2,TERM SIGTERM,2 TERM,15,SIGINT,2 \
'!CHLD' '!SIGCHLD' '!ALRM' '!SIGALRM' \
'!CHLD,SIGALRM' '!ALRM,SIGCHLD' \
'!9' '!9,4' '!9,4,11' '!4,CHLD,11,ALRM,9'
fail_with()
{
dump_log_and_fail_with \
"strace -e signal=$* failed to handle an argument error properly"
}
for arg in ' ' invalid_signal_name SIG -1 256 1-1 \
1,2,4,8,16,32,64,128,256,512,1024 9,chdir; do
$STRACE -e signal="$arg" true 2> "$LOG" &&
fail_with "$arg"
LC_ALL=C grep -F 'invalid signal' < "$LOG" > /dev/null ||
fail_with "$arg"
done
exit 0
|
