/* Test for dependency tracking  added by relocations.

   Copyright (C) 2000-2018 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 <error.h>

#include <errno.h>

#include <stdio.h>

#include <stdlib.h>

static void *

load (const char *name)

{

  void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL);

  if (d == NULL)

    error (EXIT_FAILURE, errno, "cannot load `%s'", name);

  return d;

}

#define TEST_FUNCTION do_test ()

extern int do_test (void);

int

do_test (void)

{

  void *d1;

  void *d2;

  int (*f) (void);

  d1 = load ("glreflib1.so");

  d2 = load ("glreflib2.so");

  f = dlsym (d2, "ref2");

  if (f == NULL)

    error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2");

  if (f () != 42)

    error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2");

  puts ("Correct result in first call");

  fflush (stdout);

  /* Now unload the first file.  */

  dlclose (d1);

  puts ("About to call the second time");

  fflush (stdout);

  /* Try calling the function again.  */

  if (f () != 42)

    error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2");

  puts ("Second call succeeded!");

  fflush (stdout);

  dlclose (d2);

  puts ("glreflib2 also closed");

  fflush (stdout);

  return 0;

}

#include "../test-skeleton.c"