/* SPDX-License-Identifier: LGPL-2.1+ */ /*** This file is part of systemd. Copyright 2016 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ #include #include #include "macro.h" #include "signal-util.h" #include "process-util.h" static void test_block_signals(void) { sigset_t ss; assert_se(sigprocmask(0, NULL, &ss) >= 0); assert_se(sigismember(&ss, SIGUSR1) == 0); assert_se(sigismember(&ss, SIGALRM) == 0); assert_se(sigismember(&ss, SIGVTALRM) == 0); { BLOCK_SIGNALS(SIGUSR1, SIGVTALRM); assert_se(sigprocmask(0, NULL, &ss) >= 0); assert_se(sigismember(&ss, SIGUSR1) == 1); assert_se(sigismember(&ss, SIGALRM) == 0); assert_se(sigismember(&ss, SIGVTALRM) == 1); } assert_se(sigprocmask(0, NULL, &ss) >= 0); assert_se(sigismember(&ss, SIGUSR1) == 0); assert_se(sigismember(&ss, SIGALRM) == 0); assert_se(sigismember(&ss, SIGVTALRM) == 0); } static void test_ignore_signals(void) { assert_se(ignore_signals(SIGINT, -1) >= 0); assert_se(kill(getpid_cached(), SIGINT) >= 0); assert_se(ignore_signals(SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0); assert_se(kill(getpid_cached(), SIGUSR1) >= 0); assert_se(kill(getpid_cached(), SIGUSR2) >= 0); assert_se(kill(getpid_cached(), SIGTERM) >= 0); assert_se(kill(getpid_cached(), SIGPIPE) >= 0); assert_se(default_signals(SIGINT, SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE, -1) >= 0); } int main(int argc, char *argv[]) { test_block_signals(); test_ignore_signals(); return 0; }