/* Copyright (C) 1993, 1995, 1996, 1997 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, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <errno.h>#include <stddef.h>#include <stdlib.h>#include <dirent.h>#include <unistd.h>#include <hurd.h>#include <hurd/fd.h>#include "dirstream.h"/* Close the directory stream DIRP.   Return 0 if successful, -1 if not.  */int__closedir (DIR *dirp){  error_t err;  if (dirp == NULL)    {      errno = EINVAL;      return -1;    }  __libc_lock_lock (dirp->__lock);  err = __vm_deallocate (__mach_task_self (),			 (vm_address_t) dirp->__data, dirp->__allocation);  dirp->__data = NULL;  err = _hurd_fd_close (dirp->__fd);  if (err)    {      /* Unlock the DIR.  A failing closedir can be repeated (and may fail	 again, but shouldn't deadlock).  */      __libc_lock_unlock (dirp->__lock);      return __hurd_fail (err);    }  /* Clean up the lock and free the structure.  */  __libc_lock_fini (dirp->__lock);  free (dirp);  return 0;}weak_alias (__closedir, closedir)