xref: /freebsd/tools/regression/tls/ttls3/tls-test.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
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 
27 #include <stdio.h>
28 #include <dlfcn.h>
29 
30 int main(int argc, char **argv)
31 {
32     void *handle;
33     void (*__gl_tls_test)(void);
34     const char *error;
35 
36     handle = dlopen("libtls-test.so.1", RTLD_NOW);
37     if (!handle) {
38         error = dlerror();
39         printf("dlopen failed (%s)!\n", error);
40         exit(1);
41     }
42 
43     dlerror();
44     __gl_tls_test = dlsym(handle, "__gl_tls_test");
45     error = dlerror();
46 
47     if (error) {
48         dlclose(handle);
49         printf("dlsym failed (%s)!\n", error);
50         exit(1);
51     }
52 
53     __gl_tls_test(); /* print TLS values */
54     dlclose(handle);
55 
56     return 0;
57 }
58