t_tls_dynamic.c revision 272458
1/* $NetBSD: t_tls_dynamic.c,v 1.3 2012/01/17 20:34:57 joerg Exp $ */ 2/*- 3 * Copyright (c) 2011 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Joerg Sonnenberger. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35__RCSID("$NetBSD: t_tls_dynamic.c,v 1.3 2012/01/17 20:34:57 joerg Exp $"); 36 37#include <atf-c.h> 38#include <pthread.h> 39#include <unistd.h> 40 41#include <sys/tls.h> 42 43#ifdef __HAVE_NO___THREAD 44#define __thread 45#endif 46 47ATF_TC(t_tls_dynamic); 48 49ATF_TC_HEAD(t_tls_dynamic, tc) 50{ 51 atf_tc_set_md_var(tc, "descr", 52 "Test (un)initialized TLS variables in dynamic binaries"); 53} 54 55void testf_dso_helper(int, int); 56 57extern __thread int var1; 58extern __thread int var2; 59extern __thread pid_t (*dso_var1)(void); 60 61__thread int *var3 = &optind; 62int var4_helper; 63__thread int *var4 = &var4_helper; 64 65static void * 66testf(void *dummy) 67{ 68 ATF_CHECK_EQ(var1, 1); 69 ATF_CHECK_EQ(var2, 0); 70 testf_dso_helper(2, 2); 71 ATF_CHECK_EQ(var1, 2); 72 ATF_CHECK_EQ(var2, 2); 73 testf_dso_helper(3, 3); 74 ATF_CHECK_EQ(var1, 3); 75 ATF_CHECK_EQ(var2, 3); 76 ATF_CHECK_EQ(var3, &optind); 77 ATF_CHECK_EQ(var4, &var4_helper); 78 ATF_CHECK_EQ(dso_var1, getpid); 79 80 return NULL; 81} 82 83ATF_TC_BODY(t_tls_dynamic, tc) 84{ 85 pthread_t t; 86 87#ifdef __HAVE_NO___THREAD 88 atf_tc_skip("no TLS support on this platform"); 89#endif 90 91 testf(NULL); 92 93 pthread_create(&t, 0, testf, 0); 94 pthread_join(t, NULL); 95 96 pthread_create(&t, 0, testf, 0); 97 pthread_join(t, NULL); 98} 99 100ATF_TP_ADD_TCS(tp) 101{ 102 ATF_TP_ADD_TC(tp, t_tls_dynamic); 103 104 return atf_no_error(); 105} 106