t_tls_dynamic.c revision 272343
1198090Srdivacky/* $NetBSD: t_tls_dynamic.c,v 1.3 2012/01/17 20:34:57 joerg Exp $ */ 2198090Srdivacky/*- 3198090Srdivacky * Copyright (c) 2011 The NetBSD Foundation, Inc. 4198090Srdivacky * All rights reserved. 5198090Srdivacky * 6198090Srdivacky * This code is derived from software contributed to The NetBSD Foundation 7198090Srdivacky * by Joerg Sonnenberger. 8198090Srdivacky * 9198090Srdivacky * Redistribution and use in source and binary forms, with or without 10198090Srdivacky * modification, are permitted provided that the following conditions 11198090Srdivacky * are met: 12198090Srdivacky * 13218893Sdim * 1. Redistributions of source code must retain the above copyright 14198090Srdivacky * notice, this list of conditions and the following disclaimer. 15198090Srdivacky * 2. Redistributions in binary form must reproduce the above copyright 16198090Srdivacky * notice, this list of conditions and the following disclaimer in 17198090Srdivacky * the documentation and/or other materials provided with the 18198090Srdivacky * distribution. 19198090Srdivacky * 20198090Srdivacky * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21198090Srdivacky * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22198090Srdivacky * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23198090Srdivacky * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24198090Srdivacky * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25198090Srdivacky * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26198090Srdivacky * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27198090Srdivacky * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28198090Srdivacky * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29198090Srdivacky * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30198090Srdivacky * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31198090Srdivacky * SUCH DAMAGE. 32198090Srdivacky */ 33198090Srdivacky 34198090Srdivacky#include <sys/cdefs.h> 35198090Srdivacky__RCSID("$NetBSD: t_tls_dynamic.c,v 1.3 2012/01/17 20:34:57 joerg Exp $"); 36198090Srdivacky 37198090Srdivacky#include <atf-c.h> 38208599Srdivacky#include <pthread.h> 39208599Srdivacky#include <unistd.h> 40208599Srdivacky 41208599Srdivacky#include <sys/tls.h> 42208599Srdivacky 43208599Srdivacky#ifdef __HAVE_NO___THREAD 44208599Srdivacky#define __thread 45208599Srdivacky#endif 46198090Srdivacky 47198090SrdivackyATF_TC(t_tls_dynamic); 48198090Srdivacky 49198090SrdivackyATF_TC_HEAD(t_tls_dynamic, tc) 50198090Srdivacky{ 51198090Srdivacky atf_tc_set_md_var(tc, "descr", 52198090Srdivacky "Test (un)initialized TLS variables in dynamic binaries"); 53198090Srdivacky} 54198090Srdivacky 55198090Srdivackyvoid testf_dso_helper(int, int); 56198090Srdivacky 57198090Srdivackyextern __thread int var1; 58198090Srdivackyextern __thread int var2; 59198090Srdivackyextern __thread pid_t (*dso_var1)(void); 60198090Srdivacky 61198090Srdivacky__thread int *var3 = &optind; 62198090Srdivackyint var4_helper; 63198090Srdivacky__thread int *var4 = &var4_helper; 64198090Srdivacky 65198090Srdivackystatic void * 66198090Srdivackytestf(void *dummy) 67198090Srdivacky{ 68198090Srdivacky ATF_CHECK_EQ(var1, 1); 69198090Srdivacky ATF_CHECK_EQ(var2, 0); 70198090Srdivacky testf_dso_helper(2, 2); 71198090Srdivacky ATF_CHECK_EQ(var1, 2); 72198090Srdivacky ATF_CHECK_EQ(var2, 2); 73198090Srdivacky testf_dso_helper(3, 3); 74198090Srdivacky ATF_CHECK_EQ(var1, 3); 75207618Srdivacky ATF_CHECK_EQ(var2, 3); 76207618Srdivacky ATF_CHECK_EQ(var3, &optind); 77208599Srdivacky ATF_CHECK_EQ(var4, &var4_helper); 78207618Srdivacky ATF_CHECK_EQ(dso_var1, getpid); 79207618Srdivacky 80207618Srdivacky return NULL; 81207618Srdivacky} 82207618Srdivacky 83207618SrdivackyATF_TC_BODY(t_tls_dynamic, tc) 84207618Srdivacky{ 85218893Sdim pthread_t t; 86207618Srdivacky 87207618Srdivacky#ifdef __HAVE_NO___THREAD 88207618Srdivacky atf_tc_skip("no TLS support on this platform"); 89207618Srdivacky#endif 90218893Sdim 91198090Srdivacky testf(NULL); 92198090Srdivacky 93198090Srdivacky pthread_create(&t, 0, testf, 0); 94198090Srdivacky pthread_join(t, NULL); 95198090Srdivacky 96218893Sdim pthread_create(&t, 0, testf, 0); 97198090Srdivacky pthread_join(t, NULL); 98198090Srdivacky} 99198090Srdivacky 100198090SrdivackyATF_TP_ADD_TCS(tp) 101198090Srdivacky{ 102198090Srdivacky ATF_TP_ADD_TC(tp, t_tls_dynamic); 103198090Srdivacky 104198090Srdivacky return atf_no_error(); 105198090Srdivacky} 106198090Srdivacky