1 | /* Copyright (C) 1994-2022 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 Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the 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 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <hurd.h> |
19 | #include <hurd/fd.h> |
20 | |
21 | /* Allocate a new file descriptor and install PORT in it. FLAGS are as for |
22 | `open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful. |
23 | |
24 | If the descriptor table is full, set errno, and return -1. |
25 | If DEALLOC is nonzero, deallocate PORT first. */ |
26 | int |
27 | _hurd_intern_fd (io_t port, int flags, int dealloc) |
28 | { |
29 | int fd; |
30 | struct hurd_fd *d; |
31 | |
32 | HURD_CRITICAL_BEGIN; |
33 | d = _hurd_alloc_fd (fd_ptr: &fd, first_fd: 0); |
34 | if (d != NULL) |
35 | { |
36 | _hurd_port2fd (d, port, flags); |
37 | __spin_unlock (&d->port.lock); |
38 | } |
39 | HURD_CRITICAL_END; |
40 | |
41 | if (d == NULL) |
42 | { |
43 | if (dealloc) |
44 | __mach_port_deallocate (__mach_task_self (), port); |
45 | return -1; |
46 | } |
47 | |
48 | return fd; |
49 | } |
50 | libc_hidden_def (_hurd_intern_fd) |
51 | |