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#ifdef __NetBSD__
42#include <sys/tls.h>
43#endif
44
45#ifdef __HAVE_NO___THREAD
46#define	__thread
47#endif
48
49ATF_TC(t_tls_dynamic);
50
51ATF_TC_HEAD(t_tls_dynamic, tc)
52{
53	atf_tc_set_md_var(tc, "descr",
54	    "Test (un)initialized TLS variables in dynamic binaries");
55}
56
57void testf_dso_helper(int, int);
58
59extern __thread int var1;
60extern __thread int var2;
61extern __thread pid_t (*dso_var1)(void);
62
63__thread int *var3 = &optind;
64int var4_helper;
65__thread int *var4 = &var4_helper;
66
67static void *
68testf(void *dummy)
69{
70	ATF_CHECK_EQ(var1, 1);
71	ATF_CHECK_EQ(var2, 0);
72	testf_dso_helper(2, 2);
73	ATF_CHECK_EQ(var1, 2);
74	ATF_CHECK_EQ(var2, 2);
75	testf_dso_helper(3, 3);
76	ATF_CHECK_EQ(var1, 3);
77	ATF_CHECK_EQ(var2, 3);
78	ATF_CHECK_EQ(var3, &optind);
79	ATF_CHECK_EQ(var4, &var4_helper);
80	ATF_CHECK_EQ(dso_var1, getpid);
81
82	return NULL;
83}
84
85ATF_TC_BODY(t_tls_dynamic, tc)
86{
87	pthread_t t;
88
89#ifdef __HAVE_NO___THREAD
90	atf_tc_skip("no TLS support on this platform");
91#endif
92
93	testf(NULL);
94
95	pthread_create(&t, 0, testf, 0);
96	pthread_join(t, NULL);
97
98	pthread_create(&t, 0, testf, 0);
99	pthread_join(t, NULL);
100}
101
102ATF_TP_ADD_TCS(tp)
103{
104	ATF_TP_ADD_TC(tp, t_tls_dynamic);
105
106	return atf_no_error();
107}
108