1 /* $NetBSD: t_sigqueue.c,v 1.3 2011/01/10 16:42:37 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: t_sigqueue.c,v 1.3 2011/01/10 16:42:37 christos Exp $"); 34 35 #include <signal.h> 36 #include <unistd.h> 37 #include <stdlib.h> 38 #include <sched.h> 39 #include <err.h> 40 41 #include <atf-c.h> 42 43 ATF_TC(sigqueue); 44 ATF_TC_HEAD(sigqueue, tc) 45 { 46 atf_tc_set_md_var(tc, "descr", "Checks sigqueue sigval delivery"); 47 } 48 49 #define VALUE (int)0xc001dad1 50 static int value; 51 52 static void 53 /*ARGSUSED*/ 54 handler(int signo, siginfo_t *info, void *data) 55 { 56 value = info->si_value.sival_int; 57 kill(0, SIGINFO); 58 } 59 60 ATF_TC_BODY(sigqueue, tc) 61 { 62 struct sigaction sa; 63 union sigval sv; 64 65 sa.sa_sigaction = handler; 66 sigemptyset(&sa.sa_mask); 67 sa.sa_flags = SA_SIGINFO; 68 69 if (sigaction(SIGUSR1, &sa, NULL) == -1) 70 err(1, "sigaction"); 71 72 sv.sival_int = VALUE; 73 if (sigqueue(0, SIGUSR1, sv) == -1) 74 err(1, "sigqueue"); 75 76 sched_yield(); 77 ATF_REQUIRE_EQ(sv.sival_int, value); 78 } 79 80 ATF_TP_ADD_TCS(tp) 81 { 82 ATF_TP_ADD_TC(tp, sigqueue); 83 84 return atf_no_error(); 85 } 86