/* 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>

#include <hurd/fd.h>

/* Allocate a new file descriptor and install PORT in it.  FLAGS are as for

   `open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful.

   If the descriptor table is full, set errno, and return -1.

   If DEALLOC is nonzero, deallocate PORT first.  */

int

_hurd_intern_fd (io_t port, int flags, int dealloc)

{

  int fd;

  struct hurd_fd *d;

  HURD_CRITICAL_BEGIN;

  d = _hurd_alloc_fd (&fd, 0);

  if (d != NULL)

    {

      _hurd_port2fd (d, port, flags);

      __spin_unlock (&d->port.lock);

    }

  HURD_CRITICAL_END;

  if (d == NULL)

    {

      if (dealloc)

	__mach_port_deallocate (__mach_task_self (), port);

      return -1;

    }

  return fd;

}

libc_hidden_def (_hurd_intern_fd)