t_tls_dynamic.c revision 276478
1185573Srwatson/* $NetBSD: t_tls_dynamic.c,v 1.3 2012/01/17 20:34:57 joerg Exp $ */ 2181053Srwatson/*- 3146759Srwatson * Copyright (c) 2011 The NetBSD Foundation, Inc. 4146759Srwatson * All rights reserved. 5146759Srwatson * 6146759Srwatson * This code is derived from software contributed to The NetBSD Foundation 7146759Srwatson * by Joerg Sonnenberger. 8146759Srwatson * 9155191Srwatson * Redistribution and use in source and binary forms, with or without 10155191Srwatson * modification, are permitted provided that the following conditions 11155191Srwatson * are met: 12155191Srwatson * 13155191Srwatson * 1. Redistributions of source code must retain the above copyright 14181053Srwatson * notice, this list of conditions and the following disclaimer. 15155191Srwatson * 2. Redistributions in binary form must reproduce the above copyright 16155191Srwatson * notice, this list of conditions and the following disclaimer in 17146759Srwatson * the documentation and/or other materials provided with the 18155191Srwatson * distribution. 19155191Srwatson * 20155191Srwatson * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21155191Srwatson * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22155191Srwatson * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23155191Srwatson * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24155191Srwatson * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25155191Srwatson * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26155191Srwatson * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27155191Srwatson * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28155191Srwatson * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29189279Srwatson * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30146759Srwatson * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31146759Srwatson * SUCH DAMAGE. 32146759Srwatson */ 33155191Srwatson 34155191Srwatson#include <sys/cdefs.h> 35146759Srwatson__RCSID("$NetBSD: t_tls_dynamic.c,v 1.3 2012/01/17 20:34:57 joerg Exp $"); 36186647Srwatson 37186647Srwatson#include <atf-c.h> 38186647Srwatson#include <pthread.h> 39155191Srwatson#include <unistd.h> 40186647Srwatson 41155191Srwatson#ifdef __NetBSD__ 42155191Srwatson#include <sys/tls.h> 43186647Srwatson#endif 44155191Srwatson 45155191Srwatson#ifdef __HAVE_NO___THREAD 46155191Srwatson#define __thread 47161635Srwatson#endif 48161635Srwatson 49155191SrwatsonATF_TC(t_tls_dynamic); 50155191Srwatson 51146759SrwatsonATF_TC_HEAD(t_tls_dynamic, tc) 52155191Srwatson{ 53155191Srwatson atf_tc_set_md_var(tc, "descr", 54155191Srwatson "Test (un)initialized TLS variables in dynamic binaries"); 55155191Srwatson} 56146759Srwatson 57155191Srwatsonvoid testf_dso_helper(int, int); 58155191Srwatson 59155191Srwatsonextern __thread int var1; 60161635Srwatsonextern __thread int var2; 61155191Srwatsonextern __thread pid_t (*dso_var1)(void); 62155191Srwatson 63162508Srwatson__thread int *var3 = &optind; 64162508Srwatsonint var4_helper; 65162508Srwatson__thread int *var4 = &var4_helper; 66162508Srwatson 67162508Srwatsonstatic void * 68186647Srwatsontestf(void *dummy) 69189279Srwatson{ 70189279Srwatson ATF_CHECK_EQ(var1, 1); 71189279Srwatson ATF_CHECK_EQ(var2, 0); 72155191Srwatson testf_dso_helper(2, 2); 73155191Srwatson ATF_CHECK_EQ(var1, 2); 74162508Srwatson ATF_CHECK_EQ(var2, 2); 75155191Srwatson testf_dso_helper(3, 3); 76155191Srwatson ATF_CHECK_EQ(var1, 3); 77162508Srwatson ATF_CHECK_EQ(var2, 3); 78155191Srwatson ATF_CHECK_EQ(var3, &optind); 79155191Srwatson ATF_CHECK_EQ(var4, &var4_helper); 80155191Srwatson ATF_CHECK_EQ(dso_var1, getpid); 81155191Srwatson 82186647Srwatson return NULL; 83186647Srwatson} 84186647Srwatson 85155191SrwatsonATF_TC_BODY(t_tls_dynamic, tc) 86155191Srwatson{ 87161635Srwatson pthread_t t; 88155191Srwatson 89155191Srwatson#ifdef __HAVE_NO___THREAD 90155191Srwatson atf_tc_skip("no TLS support on this platform"); 91155191Srwatson#endif 92155191Srwatson 93155191Srwatson testf(NULL); 94155191Srwatson 95155191Srwatson pthread_create(&t, 0, testf, 0); 96155191Srwatson pthread_join(t, NULL); 97155191Srwatson 98155191Srwatson pthread_create(&t, 0, testf, 0); 99155191Srwatson pthread_join(t, NULL); 100155191Srwatson} 101155191Srwatson 102155191SrwatsonATF_TP_ADD_TCS(tp) 103155191Srwatson{ 104155191Srwatson ATF_TP_ADD_TC(tp, t_tls_dynamic); 105155191Srwatson 106155191Srwatson return atf_no_error(); 107155191Srwatson} 108155191Srwatson