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
47 ATF_TC(t_tls_dynamic);
48
ATF_TC_HEAD(t_tls_dynamic,tc)49 ATF_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
55 void testf_dso_helper(int, int);
56
57 extern __thread int var1;
58 extern __thread int var2;
59 extern __thread pid_t (*dso_var1)(void);
60
61 __thread int *var3 = &optind;
62 int var4_helper;
63 __thread int *var4 = &var4_helper;
64
65 static void *
testf(void * dummy)66 testf(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
ATF_TC_BODY(t_tls_dynamic,tc)83 ATF_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
ATF_TP_ADD_TCS(tp)100 ATF_TP_ADD_TCS(tp)
101 {
102 ATF_TP_ADD_TC(tp, t_tls_dynamic);
103
104 return atf_no_error();
105 }
106