/* Revoke the access of all descriptors currently open on a file.  Hurd version

   Copyright (C) 1999-2018 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 <unistd.h>

#include <errno.h>

#include <hurd.h>

int

__revoke (const char *file_name)

{

  error_t err;

  file_t file = __file_name_lookup (file_name, 0, 0);

  if (file == MACH_PORT_NULL)

    return -1;

  err = __io_revoke (file);

  __mach_port_deallocate (__mach_task_self (), file);

  if (err)

    return __hurd_fail (err);

  return 0;

}

weak_alias (__revoke, revoke)