1#!/bin/sh 2# Validate kill operation 3 4# Copyright (C) 2015-2023 Free Software Foundation, Inc. 5 6# This program is free software: you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation, either version 3 of the License, or 9# (at your option) any later version. 10 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src 20print_ver_ kill 21 22# params required 23returns_ 1 env kill || fail=1 24returns_ 1 env kill -TERM || fail=1 25 26# Invalid combinations 27returns_ 1 env kill -l -l || fail=1 28returns_ 1 env kill -l -t || fail=1 29returns_ 1 env kill -l -s 1 || fail=1 30returns_ 1 env kill -t -s 1 || fail=1 31 32# signal sending 33returns_ 1 env kill -0 no_pid || fail=1 34env kill -0 $$ || fail=1 35env kill -s0 $$ || fail=1 36env kill -n0 $$ || fail=1 # bash compat 37env kill -CONT $$ || fail=1 38env kill -Cont $$ || fail=1 39returns_ 1 env kill -cont $$ || fail=1 40env kill -0 -1 || fail=1 # to group 41 42# table listing 43env kill -l || fail=1 44env kill -t || fail=1 45env kill -L || fail=1 # bash compat 46env kill -t TERM HUP || fail=1 47 48# Verify (multi) name to signal number and vice versa 49SIGTERM=$(env kill -l HUP TERM | tail -n1) || fail=1 50test $(env kill -l "$SIGTERM") = TERM || fail=1 51 52# Verify we only consider the lower "signal" bits, 53# to support ksh which just adds 256 to the signal value 54STD_TERM_STATUS=$(expr "$SIGTERM" + 128) 55KSH_TERM_STATUS=$(expr "$SIGTERM" + 256) 56test $(env kill -l $STD_TERM_STATUS $KSH_TERM_STATUS | uniq) = TERM || fail=1 57 58# Verify invalid signal spec is diagnosed 59returns_ 1 env kill -l -1 || fail=1 60returns_ 1 env kill -l -1 0 || fail=1 61returns_ 1 env kill -l INVALID TERM || fail=1 62 63Exit $fail 64