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dff8da6b | 1 | /* Copyright (C) 1993-2024 Free Software Foundation, Inc. |
c84142e8 UD |
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 | |
41bdb6e2 AJ |
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. | |
c84142e8 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
c84142e8 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
28f540f4 RM |
17 | |
18 | #include <hurd.h> | |
19 | ||
20 | /* The program might set these if it is the initial task | |
21 | bootstrapped by the microkernel. */ | |
22 | ||
23 | mach_port_t _hurd_host_priv, _hurd_device_master; | |
24 | ||
25 | ||
26 | kern_return_t | |
f58f41f1 | 27 | __get_privileged_ports (mach_port_t *host_priv_ptr, |
5017b2c8 | 28 | device_t *device_master_ptr) |
28f540f4 | 29 | { |
377f22d8 RM |
30 | if ((host_priv_ptr && _hurd_host_priv == MACH_PORT_NULL) |
31 | || (device_master_ptr && _hurd_device_master == MACH_PORT_NULL)) | |
28f540f4 RM |
32 | { |
33 | error_t err; | |
34 | ||
35 | if (_hurd_ports) | |
36 | /* We have gotten some initial ports, so perhaps | |
37 | we have a proc server to talk to. */ | |
38 | err = __USEPORT (PROC, __proc_getprivports (port, | |
39 | &_hurd_host_priv, | |
40 | &_hurd_device_master)); | |
41 | else | |
42 | return MACH_SEND_INVALID_DEST; | |
43 | ||
44 | if (err) | |
45 | return err; | |
46 | } | |
47 | ||
48 | if (host_priv_ptr) | |
49 | { | |
377f22d8 RM |
50 | error_t err = _hurd_host_priv == MACH_PORT_NULL ? 0 |
51 | : __mach_port_mod_refs (mach_task_self (), | |
52 | _hurd_host_priv, MACH_PORT_RIGHT_SEND, +1); | |
53 | if (err) | |
54 | return err; | |
28f540f4 RM |
55 | *host_priv_ptr = _hurd_host_priv; |
56 | } | |
377f22d8 | 57 | |
28f540f4 RM |
58 | if (device_master_ptr) |
59 | { | |
377f22d8 RM |
60 | error_t err = _hurd_device_master == MACH_PORT_NULL ? 0 |
61 | : __mach_port_mod_refs (mach_task_self (), | |
62 | _hurd_device_master, MACH_PORT_RIGHT_SEND, +1); | |
63 | if (err) | |
64 | return err; | |
28f540f4 RM |
65 | *device_master_ptr = _hurd_device_master; |
66 | } | |
377f22d8 | 67 | |
28f540f4 RM |
68 | return KERN_SUCCESS; |
69 | } | |
5017b2c8 | 70 | weak_alias (__get_privileged_ports, get_privileged_ports) |