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 #include <sys/tls.h>
41
42 #ifdef __HAVE_NO___THREAD
43 #define __thread
44 #endif
45
46 ATF_TC(t_tls_static);
47
ATF_TC_HEAD(t_tls_static,tc)48 ATF_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
54 void testf_helper(void);
55
56 __thread int var1 = 1;
57 __thread int var2;
58
59 static void *
testf(void * dummy)60 testf(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
ATF_TC_BODY(t_tls_static,tc)71 ATF_TC_BODY(t_tls_static, tc)
72 {
73 pthread_t t;
74
75 #ifdef __HAVE_NO___THREAD
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
ATF_TP_ADD_TCS(tp)88 ATF_TP_ADD_TCS(tp)
89 {
90 ATF_TP_ADD_TC(tp, t_tls_static);
91
92 return atf_no_error();
93 }
94