xref: /freebsd/tools/regression/tls/ttls3/tls-test.c (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1 /*-
2  * Copyright (C) 2004 NVIDIA Corporation.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD$
27  */
28 
29 #include <stdio.h>
30 #include <dlfcn.h>
31 
32 int main(int argc, char **argv)
33 {
34     void *handle;
35     void (*__gl_tls_test)(void);
36     const char *error;
37 
38     handle = dlopen("libtls-test.so.1", RTLD_NOW);
39     if (!handle) {
40         error = dlerror();
41         printf("dlopen failed (%s)!\n", error);
42         exit(1);
43     }
44 
45     dlerror();
46     __gl_tls_test = dlsym(handle, "__gl_tls_test");
47     error = dlerror();
48 
49     if (error) {
50         dlclose(handle);
51         printf("dlsym failed (%s)!\n", error);
52         exit(1);
53     }
54 
55     __gl_tls_test(); /* print TLS values */
56     dlclose(handle);
57 
58     return 0;
59 }
60