Update.
[glibc.git] / hurd / intern-fd.c
blobdf088954ce104cf8e79722baeb998d90d852b10d
1 /* Copyright (C) 1994, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #include <hurd.h>
20 #include <hurd/fd.h>
22 /* Allocate a new file descriptor and install PORT in it. FLAGS are as for
23 `open'; only O_IGNORE_CTTY is meaningful.
25 If the descriptor table is full, set errno, and return -1.
26 If DEALLOC is nonzero, deallocate PORT first. */
27 int
28 _hurd_intern_fd (io_t port, int flags, int dealloc)
30 int fd;
31 struct hurd_fd *d;
33 HURD_CRITICAL_BEGIN;
34 d = _hurd_alloc_fd (&fd, 0);
35 if (d != NULL)
37 _hurd_port2fd (d, port, flags);
38 __spin_unlock (&d->port.lock);
40 HURD_CRITICAL_END;
42 if (d == NULL)
44 if (dealloc)
45 __mach_port_deallocate (__mach_task_self (), port);
46 return -1;
49 return fd;