/* SPDX-License-Identifier: LGPL-2.1+ */ /*** This file is part of systemd. Copyright 2016 Lennart Poettering ***/ #include #include //#include "log.h" #include "macro.h" #include "signal-util.h" /// Additional includes needed by elogind #include "process-util.h" #define info(sig) log_info(#sig " = " STRINGIFY(sig) " = %d", sig) static void test_rt_signals(void) { info(SIGRTMIN); info(SIGRTMAX); /* We use signals SIGRTMIN+0 to SIGRTMIN+24 unconditionally */ assert(SIGRTMAX - SIGRTMIN >= 24); } 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_rt_signals(); test_block_signals(); test_ignore_signals(); return 0; }