1 /* $NetBSD: t_sigqueue.c,v 1.4 2011/07/07 16:31:11 jruoho 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 1.4 2011/07/07 16:31:11 jruoho Exp $"); 34 35 36 #include <atf-c.h> 37 #include <errno.h> 38 #include <signal.h> 39 #include <stdlib.h> 40 #include <sched.h> 41 #include <unistd.h> 42 43 static void handler(int, siginfo_t *, void *); 44 45 #define VALUE (int)0xc001dad1 46 static int value; 47 48 static void 49 #ifdef __FreeBSD__ 50 handler(int signo __unused, siginfo_t *info __unused, void *data __unused) 51 #else 52 handler(int signo, siginfo_t *info, void *data) 53 #endif 54 { 55 value = info->si_value.sival_int; 56 kill(0, SIGINFO); 57 } 58 59 ATF_TC(sigqueue_basic); 60 ATF_TC_HEAD(sigqueue_basic, tc) 61 { 62 atf_tc_set_md_var(tc, "descr", "Checks sigqueue(3) sigval delivery"); 63 } 64 65 ATF_TC_BODY(sigqueue_basic, tc) 66 { 67 struct sigaction sa; 68 union sigval sv; 69 70 sa.sa_sigaction = handler; 71 sigemptyset(&sa.sa_mask); 72 sa.sa_flags = SA_SIGINFO; 73 74 if (sigaction(SIGUSR1, &sa, NULL) != 0) 75 atf_tc_fail("sigaction failed"); 76 77 sv.sival_int = VALUE; 78 79 #ifdef __FreeBSD__ 80 /* 81 * From kern_sig.c: 82 * Specification says sigqueue can only send signal to single process. 83 */ 84 if (sigqueue(getpid(), SIGUSR1, sv) != 0) 85 #else 86 if (sigqueue(0, SIGUSR1, sv) != 0) 87 #endif 88 atf_tc_fail("sigqueue failed"); 89 90 sched_yield(); 91 ATF_REQUIRE_EQ(sv.sival_int, value); 92 } 93 94 ATF_TC(sigqueue_err); 95 ATF_TC_HEAD(sigqueue_err, tc) 96 { 97 atf_tc_set_md_var(tc, "descr", "Test errors from sigqueue(3)"); 98 } 99 100 ATF_TC_BODY(sigqueue_err, tc) 101 { 102 union sigval sv; 103 104 errno = 0; 105 ATF_REQUIRE_ERRNO(EINVAL, sigqueue(getpid(), -1, sv) == -1); 106 } 107 108 ATF_TP_ADD_TCS(tp) 109 { 110 111 ATF_TP_ADD_TC(tp, sigqueue_basic); 112 ATF_TP_ADD_TC(tp, sigqueue_err); 113 114 return atf_no_error(); 115 } 116