t_raise.c revision 274626
1235251Seadler/* $NetBSD: t_raise.c,v 1.5 2011/05/10 12:43:42 jruoho Exp $ */ 2244164Seadler 3244164Seadler/*- 4235251Seadler * Copyright (c) 2011 The NetBSD Foundation, Inc. 5235251Seadler * All rights reserved. 6235251Seadler * 7235251Seadler * This code is derived from software contributed to The NetBSD Foundation 8235251Seadler * by Jukka Ruohonen. 9235251Seadler * 10235251Seadler * Redistribution and use in source and binary forms, with or without 11235251Seadler * modification, are permitted provided that the following conditions 12235251Seadler * are met: 13235251Seadler * 1. Redistributions of source code must retain the above copyright 14235251Seadler * notice, this list of conditions and the following disclaimer. 15235251Seadler * 2. Redistributions in binary form must reproduce the above copyright 16235251Seadler * notice, this list of conditions and the following disclaimer in the 17235251Seadler * documentation and/or other materials provided with the distribution. 18235251Seadler * 19235251Seadler * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20235251Seadler * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21235251Seadler * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22235251Seadler * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23235251Seadler * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24235251Seadler * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25235251Seadler * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26235251Seadler * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27235251Seadler * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28235251Seadler * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29235251Seadler * POSSIBILITY OF SUCH DAMAGE. 30235251Seadler */ 31235251Seadler#include <sys/cdefs.h> 32235251Seadler__RCSID("$NetBSD: t_raise.c,v 1.5 2011/05/10 12:43:42 jruoho Exp $"); 33235251Seadler 34235251Seadler#include <atf-c.h> 35235251Seadler 36235251Seadler#include <signal.h> 37235251Seadler#include <string.h> 38235251Seadler#include <time.h> 39235251Seadler#include <unistd.h> 40235251Seadler 41235251Seadlerstatic bool fail; 42235251Seadlerstatic int count; 43235251Seadlerstatic void handler_err(int); 44235251Seadlerstatic void handler_ret(int); 45235251Seadlerstatic void handler_stress(int); 46235251Seadler#ifdef __FreeBSD__ 47235251Seadlerstatic int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2 }; 48235251Seadler#else 49235251Seadlerstatic int sig[] = { SIGALRM, SIGIO, SIGUSR1, SIGUSR2, SIGPWR }; 50235251Seadler#endif 51235251Seadler 52235251Seadlerstatic void 53235251Seadlerhandler_stress(int signo) 54235251Seadler{ 55235251Seadler count++; 56235251Seadler} 57235251Seadler 58235251Seadlerstatic void 59235251Seadlerhandler_err(int signo) 60235251Seadler{ 61235251Seadler size_t i; 62235251Seadler 63235251Seadler for (i = 0; i < __arraycount(sig); i++) { 64235251Seadler 65235251Seadler if (sig[i] == signo) { 66235251Seadler fail = false; 67235251Seadler break; 68235251Seadler } 69235251Seadler } 70235251Seadler} 71235251Seadler 72235251Seadlerstatic void 73235251Seadlerhandler_ret(int signo) 74235251Seadler{ 75235251Seadler 76235251Seadler (void)sleep(1); 77235251Seadler 78235251Seadler fail = false; 79235251Seadler} 80235251Seadler 81235251SeadlerATF_TC(raise_err); 82235251SeadlerATF_TC_HEAD(raise_err, tc) 83235251Seadler{ 84235251Seadler atf_tc_set_md_var(tc, "descr", "Test raise(3) for invalid parameters"); 85235251Seadler} 86235251Seadler 87235251SeadlerATF_TC_BODY(raise_err, tc) 88235251Seadler{ 89235251Seadler int i = 0; 90235251Seadler 91235251Seadler while (i < 10) { 92235251Seadler 93235251Seadler ATF_REQUIRE(raise(10240 + i) == -1); 94235251Seadler 95235251Seadler i++; 96235251Seadler } 97235251Seadler} 98235251Seadler 99235251SeadlerATF_TC(raise_ret); 100235251SeadlerATF_TC_HEAD(raise_ret, tc) 101235251Seadler{ 102235251Seadler atf_tc_set_md_var(tc, "descr", "Test return order of raise(3)"); 103235251Seadler} 104235251Seadler 105235251SeadlerATF_TC_BODY(raise_ret, tc) 106235251Seadler{ 107235251Seadler struct sigaction sa; 108235251Seadler 109235251Seadler fail = true; 110235251Seadler 111235251Seadler sa.sa_flags = 0; 112235251Seadler sa.sa_handler = handler_ret; 113235251Seadler 114235251Seadler /* 115235251Seadler * Verify that raise(3) does not return 116235251Seadler * before the signal handler returns. 117235251Seadler */ 118235251Seadler ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 119235251Seadler ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0); 120235251Seadler ATF_REQUIRE(raise(SIGUSR1) == 0); 121235251Seadler 122235251Seadler if (fail != false) 123235251Seadler atf_tc_fail("raise(3) returned before signal handler"); 124235251Seadler} 125235251Seadler 126235251SeadlerATF_TC(raise_sig); 127235251SeadlerATF_TC_HEAD(raise_sig, tc) 128235251Seadler{ 129235251Seadler atf_tc_set_md_var(tc, "descr", "A basic test of raise(3)"); 130235251Seadler} 131235251Seadler 132235251SeadlerATF_TC_BODY(raise_sig, tc) 133235251Seadler{ 134235251Seadler struct timespec tv, tr; 135235251Seadler struct sigaction sa; 136235251Seadler size_t i; 137235251Seadler 138235251Seadler for (i = 0; i < __arraycount(sig); i++) { 139235251Seadler 140235251Seadler (void)memset(&sa, 0, sizeof(struct sigaction)); 141235251Seadler 142 fail = true; 143 144 tv.tv_sec = 0; 145 tv.tv_nsec = 2; 146 147 sa.sa_flags = 0; 148 sa.sa_handler = handler_err; 149 150 ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 151 ATF_REQUIRE(sigaction(sig[i], &sa, 0) == 0); 152 153 ATF_REQUIRE(raise(sig[i]) == 0); 154 ATF_REQUIRE(nanosleep(&tv, &tr) == 0); 155 156 if (fail != false) 157 atf_tc_fail("raise(3) did not raise a signal"); 158 } 159} 160 161ATF_TC(raise_stress); 162ATF_TC_HEAD(raise_stress, tc) 163{ 164 atf_tc_set_md_var(tc, "descr", "A basic stress test with raise(3)"); 165} 166 167ATF_TC_BODY(raise_stress, tc) 168{ 169 static const int maxiter = 1000 * 10; 170 struct sigaction sa; 171 int i; 172 173 sa.sa_flags = 0; 174 sa.sa_handler = handler_stress; 175 176 ATF_REQUIRE(sigemptyset(&sa.sa_mask) == 0); 177 ATF_REQUIRE(sigaction(SIGUSR1, &sa, 0) == 0); 178 179 for (count = i = 0; i < maxiter; i++) 180 (void)raise(SIGUSR1); 181 182 if (count != maxiter) 183 atf_tc_fail("not all signals were catched"); 184} 185 186ATF_TP_ADD_TCS(tp) 187{ 188 ATF_TP_ADD_TC(tp, raise_err); 189 ATF_TP_ADD_TC(tp, raise_ret); 190 ATF_TP_ADD_TC(tp, raise_sig); 191 ATF_TP_ADD_TC(tp, raise_stress); 192 193 return atf_no_error(); 194} 195