]>
Commit | Line | Data |
---|---|---|
c08bc50a UD |
1 | /* Copyright (C) 2001 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
c08bc50a UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
c08bc50a | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
c08bc50a UD |
18 | |
19 | #include <dlfcn.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | ||
23 | ||
719404ef UD |
24 | extern void *__dso_handle __attribute__ ((__weak__)); |
25 | ||
c08bc50a UD |
26 | int |
27 | main (void) | |
28 | { | |
29 | const char fname[] = "modatexit.so"; | |
30 | void *h; | |
31 | void (*fp) (void *); | |
32 | int v = 0; | |
33 | ||
719404ef UD |
34 | if (&__dso_handle == NULL) |
35 | { | |
36 | puts ("__dso_handle not available, cannot perform the test"); | |
37 | exit (0); | |
38 | } | |
39 | ||
c08bc50a UD |
40 | h = dlopen (fname, RTLD_NOW); |
41 | if (h == NULL) | |
42 | { | |
43 | printf ("cannot open \"%s\": %s\n", fname, dlerror ()); | |
44 | exit (1); | |
45 | } | |
46 | ||
47 | fp = dlsym (h, "foo"); | |
48 | if (fp == NULL) | |
49 | { | |
50 | printf ("cannot find \"foo\": %s\n", dlerror ()); | |
51 | exit (1); | |
52 | } | |
53 | ||
54 | fp (&v); | |
55 | ||
56 | if (dlclose (h) != 0) | |
57 | { | |
58 | printf ("cannot close \"%s\": %s\n", fname, dlerror ()); | |
59 | exit (1); | |
60 | } | |
61 | ||
62 | if (v != 1) | |
63 | { | |
64 | puts ("module unload didn't change `v'"); | |
65 | exit (1); | |
66 | } | |
67 | ||
68 | puts ("finishing now"); | |
69 | ||
70 | return 0; | |
71 | } |