#include <dlfcn.h>

#include <stdio.h>

#include <stdlib.h>

#include <link.h>

static int

do_test (void)

{

  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 %zd, 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;

}

#include <support/test-driver.c>