t_raise.c revision 274626
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); 46274626Sngie#ifdef __FreeBSD__ 47272910Sngiestatic int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2 }; 48272910Sngie#else 49272343Sngiestatic int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2, SIGPWR }; 50272910Sngie#endif 51272343Sngie 52272343Sngiestatic void 53272343Sngiehandler_stress(int signo) 54272343Sngie{ 55272343Sngie count++; 56272343Sngie} 57272343Sngie 58272343Sngiestatic void 59272343Sngiehandler_err(int signo) 60272343Sngie{ 61272343Sngie size_t i; 62272343Sngie 63272343Sngie for (i = 0; i < __arraycount(sig); i++) { 64272343Sngie 65272343Sngie if (sig[i] == signo) { 66272343Sngie fail = false; 67272343Sngie break; 68272343Sngie } 69272343Sngie } 70272343Sngie} 71272343Sngie 72272343Sngiestatic void 73272343Sngiehandler_ret(int signo) 74272343Sngie{ 75272343Sngie 76272343Sngie (void)sleep(1); 77272343Sngie 78272343Sngie fail = false; 79272343Sngie} 80272343Sngie 81272343SngieATF_TC(raise_err); 82272343SngieATF_TC_HEAD(raise_err, tc) 83272343Sngie{ 84272343Sngie atf_tc_set_md_var(tc, "descr", "Test raise(3) for invalid parameters"); 85272343Sngie} 86272343Sngie 87272343SngieATF_TC_BODY(raise_err, tc) 88272343Sngie{ 89272343Sngie int i = 0; 90272343Sngie 91272343Sngie while (i < 10) { 92272343Sngie 93272343Sngie ATF_REQUIRE(raise(10240 + i) == -1); 94272343Sngie 95272343Sngie i++; 96272343Sngie } 97272343Sngie} 98272343Sngie 99272343SngieATF_TC(raise_ret); 100272343SngieATF_TC_HEAD(raise_ret, tc) 101272343Sngie{ 102272343Sngie atf_tc_set_md_var(tc, "descr", "Test return order of raise(3)"); 103272343Sngie} 104272343Sngie 105272343SngieATF_TC_BODY(raise_ret, tc) 106272343Sngie{ 107272343Sngie struct sigaction sa; 108272343Sngie 109272343Sngie fail = true; 110272343Sngie 111272343Sngie sa.sa_flags = 0; 112272343Sngie sa.sa_handler = handler_ret; 113272343Sngie 114272343Sngie /* 115272343Sngie * Verify that raise(3) does not return 116272343Sngie * before the signal handler returns. 117272343Sngie */ 118272343Sngie ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 119272343Sngie ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0); 120272343Sngie ATF_REQUIRE(raise(SIGUSR1) == 0); 121272343Sngie 122272343Sngie if (fail != false) 123272343Sngie atf_tc_fail("raise(3) returned before signal handler"); 124272343Sngie} 125272343Sngie 126272343SngieATF_TC(raise_sig); 127272343SngieATF_TC_HEAD(raise_sig, tc) 128272343Sngie{ 129272343Sngie atf_tc_set_md_var(tc, "descr", "A basic test of raise(3)"); 130272343Sngie} 131272343Sngie 132272343SngieATF_TC_BODY(raise_sig, tc) 133272343Sngie{ 134272343Sngie struct timespec tv, tr; 135272343Sngie struct sigaction sa; 136272343Sngie size_t i; 137272343Sngie 138272343Sngie for (i = 0; i < __arraycount(sig); i++) { 139272343Sngie 140272343Sngie (void)memset(&sa, 0, sizeof(struct sigaction)); 141272343Sngie 142272343Sngie fail = true; 143272343Sngie 144272343Sngie tv.tv_sec = 0; 145272343Sngie tv.tv_nsec = 2; 146272343Sngie 147272343Sngie sa.sa_flags = 0; 148272343Sngie sa.sa_handler = handler_err; 149272343Sngie 150272343Sngie ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 151272343Sngie ATF_REQUIRE(sigaction(sig[i], &sa, 0) == 0); 152272343Sngie 153272343Sngie ATF_REQUIRE(raise(sig[i]) == 0); 154272343Sngie ATF_REQUIRE(nanosleep(&tv, &tr) == 0); 155272343Sngie 156272343Sngie if (fail != false) 157272343Sngie atf_tc_fail("raise(3) did not raise a signal"); 158272343Sngie } 159272343Sngie} 160272343Sngie 161272343SngieATF_TC(raise_stress); 162272343SngieATF_TC_HEAD(raise_stress, tc) 163272343Sngie{ 164272343Sngie atf_tc_set_md_var(tc, "descr", "A basic stress test with raise(3)"); 165272343Sngie} 166272343Sngie 167272343SngieATF_TC_BODY(raise_stress, tc) 168272343Sngie{ 169272343Sngie static const int maxiter = 1000 * 10; 170272343Sngie struct sigaction sa; 171272343Sngie int i; 172272343Sngie 173272343Sngie sa.sa_flags = 0; 174272343Sngie sa.sa_handler = handler_stress; 175272343Sngie 176272343Sngie ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 177272343Sngie ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0); 178272343Sngie 179272343Sngie for (count = i = 0; i < maxiter; i++) 180272343Sngie (void)raise(SIGUSR1); 181272343Sngie 182272343Sngie if (count != maxiter) 183272343Sngie atf_tc_fail("not all signals were catched"); 184272343Sngie} 185272343Sngie 186272343SngieATF_TP_ADD_TCS(tp) 187272343Sngie{ 188272343Sngie ATF_TP_ADD_TC(tp, raise_err); 189272343Sngie ATF_TP_ADD_TC(tp, raise_ret); 190272343Sngie ATF_TP_ADD_TC(tp, raise_sig); 191272343Sngie ATF_TP_ADD_TC(tp, raise_stress); 192272343Sngie 193272343Sngie return atf_no_error(); 194272343Sngie} 195