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
49 ATF_TC(t_tls_dynamic);
50
ATF_TC_HEAD(t_tls_dynamic,tc)51 ATF_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
57 void testf_dso_helper(int, int);
58
59 extern __thread int var1;
60 extern __thread int var2;
61 extern __thread pid_t (*dso_var1)(void);
62
63 __thread int *var3 = &optind;
64 int var4_helper;
65 __thread int *var4 = &var4_helper;
66
67 static void *
testf(void * dummy)68 testf(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
ATF_TC_BODY(t_tls_dynamic,tc)85 ATF_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
ATF_TP_ADD_TCS(tp)102 ATF_TP_ADD_TCS(tp)
103 {
104 ATF_TP_ADD_TC(tp, t_tls_dynamic);
105
106 return atf_no_error();
107 }
108