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 | |
20 | static error_t |
21 | setbootstrap (mach_port_t newport) |
22 | { |
23 | return __task_set_special_port (__mach_task_self (), |
24 | TASK_BOOTSTRAP_PORT, |
25 | newport); |
26 | } |
27 | |
28 | extern error_t _hurd_setauth (auth_t); |
29 | extern error_t _hurd_setproc (process_t); |
30 | extern error_t _hurd_setcttyid (mach_port_t); |
31 | |
32 | error_t (*_hurd_ports_setters[INIT_PORT_MAX]) (mach_port_t newport) = |
33 | { |
34 | [INIT_PORT_BOOTSTRAP] = setbootstrap, |
35 | [INIT_PORT_AUTH] = _hurd_setauth, |
36 | [INIT_PORT_PROC] = _hurd_setproc, |
37 | [INIT_PORT_CTTYID] = _hurd_setcttyid, |
38 | }; |
39 | |
40 | |
41 | error_t |
42 | _hurd_ports_set (unsigned int which, mach_port_t newport) |
43 | { |
44 | error_t err; |
45 | if (which >= _hurd_nports) |
46 | return EINVAL; |
47 | if (err = __mach_port_mod_refs (__mach_task_self (), newport, |
48 | MACH_PORT_RIGHT_SEND, 1)) |
49 | return err; |
50 | if (which >= INIT_PORT_MAX || _hurd_ports_setters[which] == NULL) |
51 | { |
52 | _hurd_port_set (&_hurd_ports[which], newport); |
53 | return 0; |
54 | } |
55 | return (*_hurd_ports_setters[which]) (newport); |
56 | } |
57 | |