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#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <link.h>
#include <tls.h>
#ifdef USE_TLS
# include "tls-macros.h"
/* This gives the executable a TLS segment so that even if the libc.so
it loads has none (i.e. --with-tls --without-__thread), ld.so will
permit loading of objects with TLS segments. */
COMMON_INT_DEF(loser);
#endif
#define TEST_FUNCTION do_test ()
static int
do_test (void)
{
#ifdef USE_TLS
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 != modid)
{
printf ("round %d: modid now %d, 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;
#else
return 0;
#endif
}
#include "../test-skeleton.c"
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