mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 14:00:30 +00:00
bb4cb25213
* elf/dl-close.c (_dl_close): When closing an object using TLS either decrement dl_tls_max_dtv_idx or set dl_tls_dtv_gaps to true. Increment dl_tls_generation only if we closed any TLS-using object. * elf/tst-tls6.c: New file. * elf/Makefile: Add rules to build and run tst-tls6.
91 lines
1.7 KiB
C
91 lines
1.7 KiB
C
#include <dlfcn.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <link.h>
|
|
#include <tls.h>
|
|
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
static int
|
|
do_test (void)
|
|
{
|
|
#ifdef USE_TLS
|
|
static const char modname[] = "tst-tlsmod2.so";
|
|
int result = 0;
|
|
int *foop;
|
|
int *foop2;
|
|
int (*fp) (int, int *);
|
|
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 != modid)
|
|
{
|
|
printf ("round %d: modid now %d, initially %d\n",
|
|
i, ((struct link_map *) h)->l_tls_modid, modid);
|
|
result = 1;
|
|
}
|
|
|
|
foop = dlsym (h, "foo");
|
|
if (foop == NULL)
|
|
{
|
|
printf ("cannot get symbol 'foo': %s\n", dlerror ());
|
|
exit (1);
|
|
}
|
|
|
|
*foop = 42 + i;
|
|
|
|
fp = dlsym (h, "in_dso");
|
|
if (fp == NULL)
|
|
{
|
|
printf ("cannot get symbol 'in_dso': %s\n", dlerror ());
|
|
exit (1);
|
|
}
|
|
|
|
result |= fp (42 + i, foop);
|
|
|
|
foop2 = dlsym (h, "foo");
|
|
if (foop2 == NULL)
|
|
{
|
|
printf ("cannot get symbol 'foo' the second time: %s\n", dlerror ());
|
|
exit (1);
|
|
}
|
|
|
|
if (foop != foop2)
|
|
{
|
|
puts ("address of 'foo' different the second time");
|
|
result = 1;
|
|
}
|
|
else if (*foop != 16)
|
|
{
|
|
puts ("foo != 16");
|
|
result = 1;
|
|
}
|
|
|
|
dlclose (h);
|
|
}
|
|
|
|
return result;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
#include "../test-skeleton.c"
|