/* Verify that an already opened DSO opened agained with RTLD_NODELETE actually

   sets the NODELETE flag.

   Copyright (C) 2015-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <dlfcn.h>

#include <stdio.h>

int

do_test (void)

{

  void *h1 = dlopen ("$ORIGIN/tst-nodelete-opened-lib.so", RTLD_LAZY);

  if (h1 == NULL)

    {

      printf ("h1: failed to open DSO: %s\n", dlerror ());

      return 1;

    }

  void *h2 = dlopen ("$ORIGIN/tst-nodelete-opened-lib.so",

		     RTLD_LAZY | RTLD_NODELETE);

  if (h2 == NULL)

    {

      printf ("h2: failed to open DSO: %s\n", dlerror ());

      return 1;

    }

  int *foo = dlsym (h2, "foo_var");

  if (foo == NULL)

    {

      printf ("failed to load symbol foo_var: %s\n", dlerror ());

      return 1;

    }

  if (dlclose (h1) != 0)

    {

      printf ("h1: dlclose failed: %s\n", dlerror ());

      return 1;

    }

  if (dlclose (h2) != 0)

    {

      printf ("h2: dlclose failed: %s\n", dlerror ());

      return 1;

    }

  /* This FOO dereference will crash with a segfault if the DSO was

     unloaded.  */

  printf ("foo == %d\n", *foo);

  return 0;

}

#include <support/test-driver.c>