blob: 522c4e0bd30f5f2d1c1f5632b4643eada1ef5c87 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/* Copyright (C) 2001-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
int
main (void)
{
const char fname[] = "modcxaatexit.so";
void *h;
void (*fp) (void *);
int v = 0;
h = dlopen (fname, RTLD_LAZY);
if (h == NULL)
{
printf ("cannot open \"%s\": %s\n", fname, dlerror ());
exit (1);
}
fp = dlsym (h, "bar");
if (fp == NULL)
{
printf ("cannot find \"bar\": %s\n", dlerror ());
exit (1);
}
fp (&v);
if (dlclose (h) != 0)
{
printf ("cannot close \"%s\": %s\n", fname, dlerror ());
exit (1);
}
if (v != 1)
{
puts ("module unload didn't change `v'");
exit (1);
}
puts ("finishing now");
return 0;
}
|
