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1 | /* Copyright (C) 1994, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
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. | |
8 | ||
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. | |
13 | ||
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. */ | |
28f540f4 RM |
18 | |
19 | #include <hurd.h> | |
20 | #include <hurd/fd.h> | |
21 | ||
22 | /* Allocate a new file descriptor and install PORT in it. FLAGS are as for | |
23 | `open'; only O_IGNORE_CTTY is meaningful. | |
24 | ||
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) | |
29 | { | |
30 | int fd; | |
31 | struct hurd_fd *d; | |
32 | ||
33 | HURD_CRITICAL_BEGIN; | |
34 | d = _hurd_alloc_fd (&fd, 0); | |
35 | if (d != NULL) | |
36 | { | |
37 | _hurd_port2fd (d, port, flags); | |
38 | __spin_unlock (&d->port.lock); | |
39 | } | |
40 | HURD_CRITICAL_END; | |
41 | ||
42 | if (d == NULL) | |
43 | { | |
44 | if (dealloc) | |
45 | __mach_port_deallocate (__mach_task_self (), port); | |
46 | return -1; | |
47 | } | |
48 | ||
49 | return fd; | |
50 | } |