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
|
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <link.h>
static int
do_test (void)
{
static const char modname[] = "tst-tlsmod3.so";
int result = 0;
int (*fp) (void);
void *h;
int i;
int modid = -1;
for (i = 0; i < 10; ++i)
{
h = dlopen (modname, RTLD_LAZY);
if (h == NULL)
{
printf ("cannot open '%s': %s\n", modname, dlerror ());
exit (1);
}
/* Dirty test code here: we peek into a private data structure.
We make sure that the module gets assigned the same ID every
time. The value of the first round is used. */
if (modid == -1)
modid = ((struct link_map *) h)->l_tls_modid;
else if (((struct link_map *) h)->l_tls_modid != (size_t) modid)
{
printf ("round %d: modid now %zu, initially %d\n",
i, ((struct link_map *) h)->l_tls_modid, modid);
result = 1;
}
fp = dlsym (h, "in_dso2");
if (fp == NULL)
{
printf ("cannot get symbol 'in_dso2': %s\n", dlerror ());
exit (1);
}
result |= fp ();
dlclose (h);
}
return result;
}
#include <support/test-driver.c>
|
