1 /*
2 * Copyright (c) 2014 Henri Kemppainen <duclare@guu.fi>
3 *
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include <dlfcn.h>
18 #include <stdio.h>
19
20 int
main()21 main()
22 {
23 void *libaa, *libbb;
24 int flag = RTLD_NOW;
25
26 if ((libaa = dlopen("libaa.so", flag)) == NULL) {
27 printf("dlopen(\"libaa.so\", %d) FAILED\n", flag);
28 return 1;
29 }
30
31 if ((libbb = dlopen("libbb.so", flag)) == NULL) {
32 printf("dlopen(\"libbb.so\", %d) FAILED\n", flag);
33 return 1;
34 }
35
36 if (dlclose(libbb)) {
37 printf("dlclose(libbb) FAILED\n%s\n", dlerror());
38 return 1;
39 }
40
41 if ((libbb = dlopen("libbb.so", flag)) == NULL) {
42 printf("dlopen(\"libbb.so\", %d) FAILED\n", flag);
43 return 1;
44 }
45
46 if (dlclose(libbb)) {
47 printf("dlclose(libbb) FAILED\n%s\n", dlerror());
48 return 1;
49 }
50
51 if (dlclose(libaa)) {
52 printf("dlclose(libaa) FAILED\n%s\n", dlerror());
53 return 1;
54 }
55
56 return 0;
57 }
58
59