1 #!/bin/sh 2 # 3 # Check how strace -e signal=set works. 4 # 5 # Copyright (c) 2016 Dmitry V. Levin <ldv (at] 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 33 test_one_sig() 34 { 35 local sigs 36 sigs="$1"; shift 37 38 run_prog "../$NAME" "$@" > /dev/null 39 run_strace -e trace=none -e signal="$sigs" "../$NAME" "$@" > "$EXP" 40 match_diff "$LOG" "$EXP" 41 } 42 43 test_sigs() 44 { 45 local first second sigs 46 first="$1"; shift 47 second="$1"; shift 48 49 for sigs; do 50 test_one_sig "$sigs" 2 "$first" 15 "$second" 51 done 52 } 53 54 test_sigs '' '' \ 55 none '!all' \ 56 CHLD SIGCHLD ALRM SIGALRM \ 57 chld sigchld alrm sigalrm \ 58 CHLD,SIGALRM ALRM,SIGCHLD \ 59 chld,sigalrm alrm,sigchld \ 60 9 9,4 9,4,11 \ 61 4,CHLD,11,ALRM,9 \ 62 '!2,15' '!INT,TERM' '!SIGINT,TERM' '!INT,SIGTERM' '!SIGTERM,SIGINT' \ 63 '!2,INT,TERM' '!2,SIGTERM' '!SIGINT,15' '!INT,SIGTERM,15' \ 64 '!2,4,15' '!15,9,2,11,4' 65 66 test_sigs SIGINT '' \ 67 2 INT SIGINT \ 68 CHLD,SIGINT SIGINT,SIGALRM \ 69 chld,sigint sigint,sigalrm \ 70 ALRM,2,SIGCHLD \ 71 '!15' '!TERM' '!SIGTERM' \ 72 '!15,TERM' '!SIGTERM,15,TERM' \ 73 '!SIGALRM,TERM' '!CHLD,SIGTERM' \ 74 '!ALRM,15' '!SIGCHLD,ALRM,SIGTERM,KILL' \ 75 '!4,15' '!15,9,11,4' 76 77 test_sigs '' SIGTERM \ 78 15 TERM SIGTERM \ 79 CHLD,SIGTERM SIGTERM,SIGALRM \ 80 chld,sigterm sigterm,sigalrm \ 81 ALRM,15,SIGCHLD \ 82 '!2' '!INT' '!SIGINT' \ 83 '!2,INT' '!SIGINT,2,INT' \ 84 '!SIGALRM,INT' '!CHLD,SIGINT' \ 85 '!ALRM,2' '!SIGCHLD,ALRM,SIGINT,KILL' \ 86 '!4,2' '!2,9,11,4' 87 88 test_sigs SIGINT SIGTERM \ 89 all '!none' \ 90 INT,TERM SIGINT,TERM SIGTERM,INT SIGINT,SIGTERM \ 91 int,term sigint,term sigterm,int sigint,sigterm \ 92 2,15 2,TERM SIGTERM,2 TERM,15,SIGINT,2 \ 93 '!CHLD' '!SIGCHLD' '!ALRM' '!SIGALRM' \ 94 '!CHLD,SIGALRM' '!ALRM,SIGCHLD' \ 95 '!9' '!9,4' '!9,4,11' '!4,CHLD,11,ALRM,9' 96 97 fail_with() 98 { 99 dump_log_and_fail_with \ 100 "strace -e signal=$* failed to handle an argument error properly" 101 } 102 103 for arg in ' ' invalid_signal_name SIG -1 256 1-1 \ 104 1,2,4,8,16,32,64,128,256,512,1024 9,chdir; do 105 $STRACE -e signal="$arg" true 2> "$LOG" && 106 fail_with "$arg" 107 LC_ALL=C grep -F 'invalid signal' < "$LOG" > /dev/null || 108 fail_with "$arg" 109 done 110 111 exit 0 112
