blob: b588b97de4f7be60df5aeff9fc62ebf74754cac5 (
plain) (
blame)
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
62
63
64
65
66
67
68
69
70
71
72
|
/* Verify that RTLD_NOLOAD works as expected.
Copyright (C) 2016-2019 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
<http://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stdio.h>
#include <gnu/lib-names.h>
static int
do_test (void)
{
/* Test that no object is loaded with RTLD_NOLOAD. */
void *h1 = dlopen (LIBM_SO, RTLD_LAZY | RTLD_NOLOAD);
if (h1 != NULL)
{
printf ("h1: DSO has been loaded while it should have not\n");
return 1;
}
/* This used to segfault in some glibc versions. */
void *h2 = dlopen (LIBM_SO, RTLD_LAZY | RTLD_NOLOAD | RTLD_NODELETE);
if (h2 != NULL)
{
printf ("h2: DSO has been loaded while it should have not\n");
return 1;
}
/* Test that loading an already loaded object returns the same. */
void *h3 = dlopen (LIBM_SO, RTLD_LAZY);
if (h3 == NULL)
{
printf ("h3: failed to open DSO: %s\n", dlerror ());
return 1;
}
void *h4 = dlopen (LIBM_SO, RTLD_LAZY | RTLD_NOLOAD);
if (h4 == NULL)
{
printf ("h4: failed to open DSO: %s\n", dlerror ());
return 1;
}
if (h4 != h3)
{
printf ("h4: should return the same object\n");
return 1;
}
/* Cleanup */
if (dlclose (h3) != 0)
{
printf ("h3: dlclose failed: %s\n", dlerror ());
return 1;
}
return 0;
}
#include <support/test-driver.c>
|
