1 /* $NetBSD: t_tls_static.c,v 1.2 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_static.c,v 1.2 2012/01/17 20:34:57 joerg Exp $"); 36 37 #include <atf-c.h> 38 #include <pthread.h> 39 40 #ifdef __NetBSD__ 41 #include <sys/tls.h> 42 #endif 43 44 #ifdef __HAVE_NO___THREAD 45 #define __thread 46 #endif 47 48 ATF_TC(t_tls_static); 49 50 ATF_TC_HEAD(t_tls_static, tc) 51 { 52 atf_tc_set_md_var(tc, "descr", 53 "Test (un)initialized TLS variables in static binaries"); 54 } 55 56 void testf_helper(void); 57 58 __thread int var1 = 1; 59 __thread int var2; 60 61 static void * 62 testf(void *dummy) 63 { 64 ATF_CHECK_EQ(var1, 1); 65 ATF_CHECK_EQ(var2, 0); 66 testf_helper(); 67 ATF_CHECK_EQ(var1, -1); 68 ATF_CHECK_EQ(var2, -1); 69 70 return NULL; 71 } 72 73 ATF_TC_BODY(t_tls_static, tc) 74 { 75 pthread_t t; 76 77 #ifdef __HAVE_NO___THREAD 78 atf_tc_skip("no TLS support on this platform"); 79 #endif 80 81 testf(NULL); 82 83 pthread_create(&t, 0, testf, 0); 84 pthread_join(t, NULL); 85 86 pthread_create(&t, 0, testf, 0); 87 pthread_join(t, NULL); 88 } 89 90 ATF_TP_ADD_TCS(tp) 91 { 92 ATF_TP_ADD_TC(tp, t_tls_static); 93 94 return atf_no_error(); 95 } 96