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/* This testcase is part of GDB, the GNU debugger.

   Copyright 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

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

   along with this program.  If not, see <http://www.gnu.org/licenses/>. */

#include <stdio.h>

#include <stdlib.h>

#ifdef __WIN32__

#include <windows.h>

#define dlopen(name, mode) LoadLibrary (TEXT (name))

#ifdef _WIN32_WCE

# define dlsym(handle, func) GetProcAddress (handle, TEXT (func))

#else

# define dlsym(handle, func) GetProcAddress (handle, func)

#endif

#define dlclose(handle) FreeLibrary (handle)

#else

#include <dlfcn.h>

#endif

int k = 0;

int main()

{

  void *handle;

  int (*unloadshr) (int);

  int y;

  const char *msg;

  handle = dlopen (SHLIB_NAME, RTLD_LAZY);

  if (!handle)

    {

      fprintf (stderr, "%s\n", dlerror ());

      exit (1);

    }

  unloadshr = (int (*) (int)) dlsym (handle, "shrfunc1");

  if (!unloadshr)

    {

#ifdef __WIN32__

      fprintf (stderr, "error %d occurred\n", GetLastError ());

#else

      fprintf (stderr, "%s\n", dlerror ());

#endif

      exit (1);

    }

  y = (*unloadshr) (1);

  dlclose (handle);

  handle = NULL;        /* y-set-1 */

  /* The second library should share the same memory address.  */

  handle = dlopen (SHLIB_NAME2, RTLD_LAZY);

  if (!handle)

    {

      fprintf (stderr, "%s\n", dlerror ());

      exit (1);

    }

  unloadshr = (int (*)(int)) dlsym (handle, "shrfunc2");

  if (!unloadshr)

    {

#ifdef __WIN32__

      fprintf (stderr, "error %d occurred\n", GetLastError ());

#else

      fprintf (stderr, "%s\n", dlerror ());

#endif

      exit (1);

    }

  y = (*unloadshr) (2);

  dlclose (handle);

  handle = NULL;        /* y-set-2 */

  return 0;

}