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#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
static int
do_test (void)
{
static const char modname[] = "tst-tlsmod2.so";
int result = 0;
int *foop;
int (*fp) (int, int *);
void *h;
h = dlopen (modname, RTLD_LAZY);
if (h == NULL)
{
printf ("cannot open '%s': %s\n", modname, dlerror ());
exit (1);
}
fp = dlsym (h, "in_dso");
if (fp == NULL)
{
printf ("cannot get symbol 'in_dso': %s\n", dlerror ());
exit (1);
}
size_t modid = -1;
if (dlinfo (h, RTLD_DI_TLS_MODID, &modid))
{
printf ("dlinfo RTLD_DI_TLS_MODID failed: %s\n", dlerror ());
result = 1;
}
else
printf ("dlinfo says TLS module ID %zu\n", modid);
void *block;
if (dlinfo (h, RTLD_DI_TLS_DATA, &block))
{
printf ("dlinfo RTLD_DI_TLS_DATA failed: %s\n", dlerror ());
result = 1;
}
else if (block != NULL)
{
printf ("dlinfo RTLD_DI_TLS_DATA says %p but should be unallocated\n",
block);
result = 1;
}
result |= fp (0, NULL);
foop = dlsym (h, "foo");
if (foop == NULL)
{
printf ("cannot get symbol 'foo' the second time: %s\n", dlerror ());
exit (1);
}
if (*foop != 16)
{
puts ("foo != 16");
result = 1;
}
/* Now the module's TLS block has been used and should appear. */
if (dlinfo (h, RTLD_DI_TLS_DATA, &block))
{
printf ("dlinfo RTLD_DI_TLS_DATA failed the second time: %s\n",
dlerror ());
result = 1;
}
else if (block != foop)
{
printf ("dlinfo RTLD_DI_TLS_DATA says %p but should be %p\n",
block, foop);
result = 1;
}
dlclose (h);
return result;
}
#include <support/test-driver.c>
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