1272343Sngie/* $NetBSD: t_threadjmp.c,v 1.1 2011/04/21 18:58:20 martin Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2008 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/* 30272343Sngie * Copyright (c) 1994 Christopher G. Demetriou 31272343Sngie * All rights reserved. 32272343Sngie * 33272343Sngie * Redistribution and use in source and binary forms, with or without 34272343Sngie * modification, are permitted provided that the following conditions 35272343Sngie * are met: 36272343Sngie * 1. Redistributions of source code must retain the above copyright 37272343Sngie * notice, this list of conditions and the following disclaimer. 38272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 39272343Sngie * notice, this list of conditions and the following disclaimer in the 40272343Sngie * documentation and/or other materials provided with the distribution. 41272343Sngie * 3. All advertising materials mentioning features or use of this software 42272343Sngie * must display the following acknowledgement: 43272343Sngie * This product includes software developed for the 44272343Sngie * NetBSD Project. See http://www.NetBSD.org/ for 45272343Sngie * information about NetBSD. 46272343Sngie * 4. The name of the author may not be used to endorse or promote products 47272343Sngie * derived from this software without specific prior written permission. 48272343Sngie * 49272343Sngie * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 50272343Sngie * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 51272343Sngie * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 52272343Sngie * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 53272343Sngie * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 54272343Sngie * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 55272343Sngie * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 56272343Sngie * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 57272343Sngie * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 58272343Sngie * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59272343Sngie * 60272343Sngie * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 61272343Sngie */ 62272343Sngie 63272343Sngie#include <sys/cdefs.h> 64272343Sngie__COPYRIGHT("@(#) Copyright (c) 2008\ 65272343Sngie The NetBSD Foundation, inc. All rights reserved."); 66272343Sngie__RCSID("$NetBSD: t_threadjmp.c,v 1.1 2011/04/21 18:58:20 martin Exp $"); 67272343Sngie 68272343Sngie#include <sys/types.h> 69272343Sngie 70272343Sngie#include <errno.h> 71272343Sngie#include <setjmp.h> 72272343Sngie#include <signal.h> 73272343Sngie#include <stdio.h> 74272343Sngie#include <stdlib.h> 75272343Sngie#include <string.h> 76272343Sngie#include <unistd.h> 77272343Sngie 78272343Sngie#include <pthread.h> 79272343Sngie 80272343Sngie#include <atf-c.h> 81272343Sngie 82272343Sngie#define REQUIRE_ERRNO(x) ATF_REQUIRE_MSG(x, "%s", strerror(errno)) 83272343Sngie 84272343Sngie#define TEST_SETJMP 0 85272343Sngie#define TEST_U_SETJMP 1 86272343Sngie#define TEST_SIGSETJMP_SAVE 2 87272343Sngie#define TEST_SIGSETJMP_NOSAVE 3 88272343Sngie 89272343Sngiestatic pthread_t myself = NULL; 90272343Sngie 91272343Sngiestatic int expectsignal; 92272343Sngie 93272343Sngiestatic void 94272343Sngieaborthandler(int signo) 95272343Sngie{ 96272343Sngie ATF_REQUIRE(myself == pthread_self()); 97272343Sngie ATF_REQUIRE_MSG(expectsignal, "kill(SIGABRT) succeeded"); 98272343Sngie atf_tc_pass(); 99272343Sngie} 100272343Sngie 101272343Sngiestatic void 102272343Sngieh_check(int test) 103272343Sngie{ 104272343Sngie struct sigaction sa; 105272343Sngie jmp_buf jb; 106272343Sngie sigjmp_buf sjb; 107272343Sngie sigset_t ss; 108272343Sngie int i, x; 109272343Sngie 110272343Sngie myself = pthread_self(); 111272343Sngie i = getpid(); 112272343Sngie 113272343Sngie if (test == TEST_SETJMP || test == TEST_SIGSETJMP_SAVE) 114272343Sngie expectsignal = 0; 115272343Sngie else if (test == TEST_U_SETJMP || test == TEST_SIGSETJMP_NOSAVE) 116272343Sngie expectsignal = 1; 117272343Sngie else 118272343Sngie atf_tc_fail("unknown test"); 119272343Sngie 120272343Sngie sa.sa_handler = aborthandler; 121272343Sngie sigemptyset(&sa.sa_mask); 122272343Sngie sa.sa_flags = 0; 123272343Sngie REQUIRE_ERRNO(sigaction(SIGABRT, &sa, NULL) != -1); 124272343Sngie REQUIRE_ERRNO(sigemptyset(&ss) != -1); 125272343Sngie REQUIRE_ERRNO(sigaddset(&ss, SIGABRT) != -1); 126272343Sngie REQUIRE_ERRNO(sigprocmask(SIG_BLOCK, &ss, NULL) != -1); 127272343Sngie ATF_REQUIRE(myself == pthread_self()); 128272343Sngie 129272343Sngie if (test == TEST_SETJMP) 130272343Sngie x = setjmp(jb); 131272343Sngie else if (test == TEST_U_SETJMP) 132272343Sngie x = _setjmp(jb); 133272343Sngie else 134272343Sngie x = sigsetjmp(sjb, !expectsignal); 135272343Sngie 136272343Sngie if (x != 0) { 137272343Sngie ATF_REQUIRE(myself == pthread_self()); 138272343Sngie ATF_REQUIRE_MSG(x == i, "setjmp returned wrong value"); 139272343Sngie kill(i, SIGABRT); 140272343Sngie ATF_REQUIRE_MSG(!expectsignal, "kill(SIGABRT) failed"); 141272343Sngie ATF_REQUIRE(myself == pthread_self()); 142272343Sngie atf_tc_pass(); 143272343Sngie } 144272343Sngie 145272343Sngie ATF_REQUIRE(myself == pthread_self()); 146272343Sngie REQUIRE_ERRNO(sigprocmask(SIG_UNBLOCK, &ss, NULL) != -1); 147272343Sngie 148272343Sngie if (test == TEST_SETJMP) 149272343Sngie longjmp(jb, i); 150272343Sngie else if (test == TEST_U_SETJMP) 151272343Sngie _longjmp(jb, i); 152272343Sngie else 153272343Sngie siglongjmp(sjb, i); 154272343Sngie 155272343Sngie atf_tc_fail("jmp failed"); 156272343Sngie} 157272343Sngie 158272343SngieATF_TC(setjmp); 159272343SngieATF_TC_HEAD(setjmp, tc) 160272343Sngie{ 161272343Sngie atf_tc_set_md_var(tc, "descr", 162272343Sngie "Checks pthread_self() and setjmp(3)"); 163272343Sngie} 164272343SngieATF_TC_BODY(setjmp, tc) 165272343Sngie{ 166272343Sngie h_check(TEST_SETJMP); 167272343Sngie} 168272343Sngie 169272343SngieATF_TC(_setjmp); 170272343SngieATF_TC_HEAD(_setjmp, tc) 171272343Sngie{ 172272343Sngie atf_tc_set_md_var(tc, "descr", 173272343Sngie "Checks pthread_self() and _setjmp(3)"); 174272343Sngie} 175272343SngieATF_TC_BODY(_setjmp, tc) 176272343Sngie{ 177272343Sngie h_check(TEST_U_SETJMP); 178272343Sngie} 179272343Sngie 180272343SngieATF_TC(sigsetjmp_save); 181272343SngieATF_TC_HEAD(sigsetjmp_save, tc) 182272343Sngie{ 183272343Sngie atf_tc_set_md_var(tc, "descr", 184272343Sngie "Checks pthread_self() and sigsetjmp(3) with savemask enabled"); 185272343Sngie} 186272343SngieATF_TC_BODY(sigsetjmp_save, tc) 187272343Sngie{ 188272343Sngie h_check(TEST_SIGSETJMP_SAVE); 189272343Sngie} 190272343Sngie 191272343SngieATF_TC(sigsetjmp_nosave); 192272343SngieATF_TC_HEAD(sigsetjmp_nosave, tc) 193272343Sngie{ 194272343Sngie atf_tc_set_md_var(tc, "descr", 195272343Sngie "Checks pthread_self() and sigsetjmp(3) with savemask disabled"); 196272343Sngie} 197272343SngieATF_TC_BODY(sigsetjmp_nosave, tc) 198272343Sngie{ 199272343Sngie h_check(TEST_SIGSETJMP_NOSAVE); 200272343Sngie} 201272343Sngie 202272343SngieATF_TP_ADD_TCS(tp) 203272343Sngie{ 204272343Sngie 205272343Sngie /* 206272343Sngie * These test cases try to verify setjmp and friends in a program 207272343Sngie * linked with pthreads, and verify that pthread_self() stays 208272343Sngie * consistent throughout the program. A setcontext() call invoked 209272343Sngie * by *setjmp() might clobber the TLS special register used to 210272343Sngie * implement pthread_self(). 211272343Sngie */ 212272343Sngie ATF_TP_ADD_TC(tp, setjmp); 213272343Sngie ATF_TP_ADD_TC(tp, _setjmp); 214272343Sngie ATF_TP_ADD_TC(tp, sigsetjmp_save); 215272343Sngie ATF_TP_ADD_TC(tp, sigsetjmp_nosave); 216272343Sngie 217272343Sngie return atf_no_error(); 218272343Sngie} 219