1276478Sngie/* $NetBSD: t_sigaction.c,v 1.3 2014/11/04 00:20:19 justin Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2010 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * Redistribution and use in source and binary forms, with or without 8272343Sngie * modification, are permitted provided that the following conditions 9272343Sngie * are met: 10272343Sngie * 1. Redistributions of source code must retain the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer. 12272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 13272343Sngie * notice, this list of conditions and the following disclaimer in the 14272343Sngie * documentation and/or other materials provided with the distribution. 15272343Sngie * 16272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26272343Sngie * POSSIBILITY OF SUCH DAMAGE. 27272343Sngie */ 28272343Sngie 29272343Sngie#include <sys/cdefs.h> 30272343Sngie__COPYRIGHT("@(#) Copyright (c) 2010\ 31272343Sngie The NetBSD Foundation, inc. All rights reserved."); 32276478Sngie__RCSID("$NetBSD: t_sigaction.c,v 1.3 2014/11/04 00:20:19 justin Exp $"); 33272343Sngie 34272343Sngie#include <sys/wait.h> 35272343Sngie 36272343Sngie#include <signal.h> 37272343Sngie#include <stdbool.h> 38272343Sngie#include <stdlib.h> 39272343Sngie#include <string.h> 40272343Sngie#include <unistd.h> 41272343Sngie 42272343Sngie#include <atf-c.h> 43272343Sngie 44276478Sngie#ifdef __NetBSD__ 45272343Sngie#include "../../../h_macros.h" 46276478Sngie#else 47276478Sngie#include "h_macros.h" 48276478Sngie#endif 49272343Sngie 50272343Sngiestatic bool handler_called = false; 51272343Sngie 52272343Sngiestatic void 53276478Sngie#ifdef __FreeBSD__ 54276478Sngiehandler(int signo __unused) 55276478Sngie#else 56272343Sngiehandler(int signo) 57276478Sngie#endif 58272343Sngie{ 59272343Sngie handler_called = true; 60272343Sngie} 61272343Sngie 62272343Sngiestatic void 63272343Sngiesa_resethand_child(const int flags) 64272343Sngie{ 65272343Sngie struct sigaction sa; 66272343Sngie 67272343Sngie sa.sa_flags = flags; 68272343Sngie sa.sa_handler = &handler; 69272343Sngie sigemptyset(&sa.sa_mask); 70272343Sngie 71272343Sngie sigaction(SIGUSR1, &sa, NULL); 72272343Sngie kill(getpid(), SIGUSR1); 73272343Sngie exit(handler_called ? EXIT_SUCCESS : EXIT_FAILURE); 74272343Sngie} 75272343Sngie 76272343Sngiestatic void 77272343Sngiewait_and_check_child(const pid_t pid, const char *fail_message) 78272343Sngie{ 79272343Sngie int status; 80272343Sngie 81272343Sngie (void)waitpid(pid, &status, 0); 82272343Sngie 83272343Sngie if (WIFEXITED(status)) 84272343Sngie ATF_CHECK_EQ(EXIT_SUCCESS, WEXITSTATUS(status)); 85272343Sngie else 86272343Sngie atf_tc_fail("%s; raw exit status was %d", fail_message, status); 87272343Sngie} 88272343Sngie 89272343Sngiestatic void 90276478Sngie#ifdef __FreeBSD__ 91276478Sngiecatch(int sig __unused) 92276478Sngie#else 93272343Sngiecatch(int sig) 94276478Sngie#endif 95272343Sngie{ 96272343Sngie return; 97272343Sngie} 98272343Sngie 99272343SngieATF_TC(sigaction_basic); 100272343SngieATF_TC_HEAD(sigaction_basic, tc) 101272343Sngie{ 102272343Sngie 103272343Sngie atf_tc_set_md_var(tc, "descr", "Checks for correct I&D cache" 104272343Sngie "synchronization after copying out the trampoline code."); 105272343Sngie} 106272343Sngie 107272343SngieATF_TC_BODY(sigaction_basic, tc) 108272343Sngie{ 109272343Sngie static struct sigaction sa; 110272343Sngie 111272343Sngie sa.sa_handler = catch; 112272343Sngie 113272343Sngie sigaction(SIGUSR1, &sa, 0); 114272343Sngie kill(getpid(), SIGUSR1); 115272343Sngie atf_tc_pass(); 116272343Sngie} 117272343Sngie 118272343SngieATF_TC(sigaction_noflags); 119272343SngieATF_TC_HEAD(sigaction_noflags, tc) 120272343Sngie{ 121272343Sngie atf_tc_set_md_var(tc, "descr", "Checks programming a signal with " 122272343Sngie "sigaction(2) but without any flags"); 123272343Sngie} 124272343Sngie 125272343SngieATF_TC_BODY(sigaction_noflags, tc) 126272343Sngie{ 127272343Sngie const pid_t pid = fork(); 128272343Sngie if (pid == -1) 129272343Sngie atf_tc_fail_errno("fork(2) failed"); 130272343Sngie else if (pid == 0) 131272343Sngie sa_resethand_child(0); 132272343Sngie else 133272343Sngie wait_and_check_child(pid, "Child process did not exit cleanly;" 134272343Sngie " it failed to process the signal"); 135272343Sngie} 136272343Sngie 137272343SngieATF_TC(sigaction_resethand); 138272343SngieATF_TC_HEAD(sigaction_resethand, tc) 139272343Sngie{ 140272343Sngie atf_tc_set_md_var(tc, "descr", "Checks that SA_RESETHAND works"); 141272343Sngie} 142272343Sngie 143272343SngieATF_TC_BODY(sigaction_resethand, tc) 144272343Sngie{ 145272343Sngie const pid_t pid = fork(); 146272343Sngie if (pid == -1) 147272343Sngie atf_tc_fail_errno("fork(2) failed"); 148272343Sngie else if (pid == 0) 149272343Sngie sa_resethand_child(SA_RESETHAND); 150272343Sngie else { 151272343Sngie wait_and_check_child(pid, "Child process did not exit cleanly;" 152272343Sngie " it either failed to process the signal or SA_RESETHAND" 153272343Sngie " is broken"); 154272343Sngie } 155272343Sngie} 156272343Sngie 157272343SngieATF_TP_ADD_TCS(tp) 158272343Sngie{ 159272343Sngie 160272343Sngie ATF_TP_ADD_TC(tp, sigaction_basic); 161272343Sngie ATF_TP_ADD_TC(tp, sigaction_noflags); 162272343Sngie ATF_TP_ADD_TC(tp, sigaction_resethand); 163272343Sngie 164272343Sngie return atf_no_error(); 165272343Sngie} 166