mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 19:30:10 +00:00
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
#include <dlfcn.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <link.h>
|
|
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
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 "../test-skeleton.c"
|