/* Copyright (C) 1994-2018 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 <hurd.h>

static error_t

setbootstrap (mach_port_t newport)

{

  return __task_set_special_port (__mach_task_self (),

				  TASK_BOOTSTRAP_PORT,

				  newport);

}

extern error_t _hurd_setauth (auth_t);

extern error_t _hurd_setproc (process_t);

extern error_t _hurd_setcttyid (mach_port_t);

error_t (*_hurd_ports_setters[INIT_PORT_MAX]) (mach_port_t newport) =

  {

    [INIT_PORT_BOOTSTRAP] = setbootstrap,

    [INIT_PORT_AUTH] = _hurd_setauth,

    [INIT_PORT_PROC] = _hurd_setproc,

    [INIT_PORT_CTTYID] = _hurd_setcttyid,

  };

error_t

_hurd_ports_set (unsigned int which, mach_port_t newport)

{

  error_t err;

  if (which >= _hurd_nports)

    return EINVAL;

  if (err = __mach_port_mod_refs (__mach_task_self (), newport,

				  MACH_PORT_RIGHT_SEND, 1))

    return err;

  if (which >= INIT_PORT_MAX || _hurd_ports_setters[which] == NULL)

    {

      _hurd_port_set (&_hurd_ports[which], newport);

      return 0;

    }

  return (*_hurd_ports_setters[which]) (newport);

}