t_tls_static.c revision 1.1 
1/*	$NetBSD: t_tls_static.c,v 1.1 2011/03/09 23:10:07 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 1.1 2011/03/09 23:10:07 joerg Exp $");
36
37#include <atf-c.h>
38#include <pthread.h>
39
40#include <sys/tls.h>
41
42#if !defined(__HAVE_TLS_VARIANT_I) && !defined(__HAVE_TLS_VARIANT_II)
43#define	__thread
44#endif
45
46ATF_TC(t_tls_static);
47
48ATF_TC_HEAD(t_tls_static, tc)
49{
50	atf_tc_set_md_var(tc, "descr",
51	    "Test (un)initialized TLS variables in static binaries");
52}
53
54void testf_helper(void);
55
56__thread int var1 = 1;
57__thread int var2;
58
59static void *
60testf(void *dummy)
61{
62	ATF_CHECK_EQ(var1, 1);
63	ATF_CHECK_EQ(var2, 0);
64	testf_helper();
65	ATF_CHECK_EQ(var1, -1);
66	ATF_CHECK_EQ(var2, -1);
67
68	return NULL;
69}
70
71ATF_TC_BODY(t_tls_static, tc)
72{
73	pthread_t t;
74
75#if !defined(__HAVE_TLS_VARIANT_I) && !defined(__HAVE_TLS_VARIANT_II)
76	atf_tc_skip("no TLS support on this platform");
77#endif
78
79	testf(NULL);
80
81	pthread_create(&t, 0, testf, 0);
82	pthread_join(t, NULL);
83
84	pthread_create(&t, 0, testf, 0);
85	pthread_join(t, NULL);
86}
87
88ATF_TP_ADD_TCS(tp)
89{
90	ATF_TP_ADD_TC(tp, t_tls_static);
91
92	return atf_no_error();
93}
94