t_raise.c revision 272343
1272343Sngie/* $NetBSD: t_raise.c,v 1.5 2011/05/10 12:43:42 jruoho Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2011 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Jukka Ruohonen. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie#include <sys/cdefs.h> 32272343Sngie__RCSID("$NetBSD: t_raise.c,v 1.5 2011/05/10 12:43:42 jruoho Exp $"); 33272343Sngie 34272343Sngie#include <atf-c.h> 35272343Sngie 36272343Sngie#include <signal.h> 37272343Sngie#include <string.h> 38272343Sngie#include <time.h> 39272343Sngie#include <unistd.h> 40272343Sngie 41272343Sngiestatic bool fail; 42272343Sngiestatic int count; 43272343Sngiestatic void handler_err(int); 44272343Sngiestatic void handler_ret(int); 45272343Sngiestatic void handler_stress(int); 46272343Sngiestatic int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2, SIGPWR }; 47272343Sngie 48272343Sngiestatic void 49272343Sngiehandler_stress(int signo) 50272343Sngie{ 51272343Sngie count++; 52272343Sngie} 53272343Sngie 54272343Sngiestatic void 55272343Sngiehandler_err(int signo) 56272343Sngie{ 57272343Sngie size_t i; 58272343Sngie 59272343Sngie for (i = 0; i < __arraycount(sig); i++) { 60272343Sngie 61272343Sngie if (sig[i] == signo) { 62272343Sngie fail = false; 63272343Sngie break; 64272343Sngie } 65272343Sngie } 66272343Sngie} 67272343Sngie 68272343Sngiestatic void 69272343Sngiehandler_ret(int signo) 70272343Sngie{ 71272343Sngie 72272343Sngie (void)sleep(1); 73272343Sngie 74272343Sngie fail = false; 75272343Sngie} 76272343Sngie 77272343SngieATF_TC(raise_err); 78272343SngieATF_TC_HEAD(raise_err, tc) 79272343Sngie{ 80272343Sngie atf_tc_set_md_var(tc, "descr", "Test raise(3) for invalid parameters"); 81272343Sngie} 82272343Sngie 83272343SngieATF_TC_BODY(raise_err, tc) 84272343Sngie{ 85272343Sngie int i = 0; 86272343Sngie 87272343Sngie while (i < 10) { 88272343Sngie 89272343Sngie ATF_REQUIRE(raise(10240 + i) == -1); 90272343Sngie 91272343Sngie i++; 92272343Sngie } 93272343Sngie} 94272343Sngie 95272343SngieATF_TC(raise_ret); 96272343SngieATF_TC_HEAD(raise_ret, tc) 97272343Sngie{ 98272343Sngie atf_tc_set_md_var(tc, "descr", "Test return order of raise(3)"); 99272343Sngie} 100272343Sngie 101272343SngieATF_TC_BODY(raise_ret, tc) 102272343Sngie{ 103272343Sngie struct sigaction sa; 104272343Sngie 105272343Sngie fail = true; 106272343Sngie 107272343Sngie sa.sa_flags = 0; 108272343Sngie sa.sa_handler = handler_ret; 109272343Sngie 110272343Sngie /* 111272343Sngie * Verify that raise(3) does not return 112272343Sngie * before the signal handler returns. 113272343Sngie */ 114272343Sngie ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 115272343Sngie ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0); 116272343Sngie ATF_REQUIRE(raise(SIGUSR1) == 0); 117272343Sngie 118272343Sngie if (fail != false) 119272343Sngie atf_tc_fail("raise(3) returned before signal handler"); 120272343Sngie} 121272343Sngie 122272343SngieATF_TC(raise_sig); 123272343SngieATF_TC_HEAD(raise_sig, tc) 124272343Sngie{ 125272343Sngie atf_tc_set_md_var(tc, "descr", "A basic test of raise(3)"); 126272343Sngie} 127272343Sngie 128272343SngieATF_TC_BODY(raise_sig, tc) 129272343Sngie{ 130272343Sngie struct timespec tv, tr; 131272343Sngie struct sigaction sa; 132272343Sngie size_t i; 133272343Sngie 134272343Sngie for (i = 0; i < __arraycount(sig); i++) { 135272343Sngie 136272343Sngie (void)memset(&sa, 0, sizeof(struct sigaction)); 137272343Sngie 138272343Sngie fail = true; 139272343Sngie 140272343Sngie tv.tv_sec = 0; 141272343Sngie tv.tv_nsec = 2; 142272343Sngie 143272343Sngie sa.sa_flags = 0; 144272343Sngie sa.sa_handler = handler_err; 145272343Sngie 146272343Sngie ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 147272343Sngie ATF_REQUIRE(sigaction(sig[i], &sa, 0) == 0); 148272343Sngie 149272343Sngie ATF_REQUIRE(raise(sig[i]) == 0); 150272343Sngie ATF_REQUIRE(nanosleep(&tv, &tr) == 0); 151272343Sngie 152272343Sngie if (fail != false) 153272343Sngie atf_tc_fail("raise(3) did not raise a signal"); 154272343Sngie } 155272343Sngie} 156272343Sngie 157272343SngieATF_TC(raise_stress); 158272343SngieATF_TC_HEAD(raise_stress, tc) 159272343Sngie{ 160272343Sngie atf_tc_set_md_var(tc, "descr", "A basic stress test with raise(3)"); 161272343Sngie} 162272343Sngie 163272343SngieATF_TC_BODY(raise_stress, tc) 164272343Sngie{ 165272343Sngie static const int maxiter = 1000 * 10; 166272343Sngie struct sigaction sa; 167272343Sngie int i; 168272343Sngie 169272343Sngie sa.sa_flags = 0; 170272343Sngie sa.sa_handler = handler_stress; 171272343Sngie 172272343Sngie ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 173272343Sngie ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0); 174272343Sngie 175272343Sngie for (count = i = 0; i < maxiter; i++) 176272343Sngie (void)raise(SIGUSR1); 177272343Sngie 178272343Sngie if (count != maxiter) 179272343Sngie atf_tc_fail("not all signals were catched"); 180272343Sngie} 181272343Sngie 182272343SngieATF_TP_ADD_TCS(tp) 183272343Sngie{ 184272343Sngie ATF_TP_ADD_TC(tp, raise_err); 185272343Sngie ATF_TP_ADD_TC(tp, raise_ret); 186272343Sngie ATF_TP_ADD_TC(tp, raise_sig); 187272343Sngie ATF_TP_ADD_TC(tp, raise_stress); 188272343Sngie 189272343Sngie return atf_no_error(); 190272343Sngie} 191