1 /* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "tests.h" 29 #include <stdlib.h> 30 #include <signal.h> 31 32 #ifdef ASM_SIGRTMIN 33 # define RT_0 ASM_SIGRTMIN 34 #else 35 /* Linux kernel >= 3.18 defines SIGRTMIN to 32 on all architectures. */ 36 # define RT_0 32 37 #endif 38 39 static void handler(int sig) 40 { 41 } 42 43 int main(void) { 44 sigset_t set; 45 sigemptyset(&set); 46 sigaddset(&set, SIGUSR2); 47 sigaddset(&set, SIGCHLD); 48 sigaddset(&set, RT_0 + 3); 49 sigaddset(&set, RT_0 + 4); 50 sigaddset(&set, RT_0 + 5); 51 sigaddset(&set, RT_0 + 26); 52 sigaddset(&set, RT_0 + 27); 53 sigprocmask(SIG_SETMASK, &set, NULL); 54 signal(SIGUSR1, handler); 55 raise(SIGUSR1); 56 return 0; 57 } 58