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
getbootstrap(mach_port_t * result)21 getbootstrap (mach_port_t *result)
22 {
23 return __task_get_special_port (__mach_task_self (),
24 TASK_BOOTSTRAP_PORT,
25 result);
26 }
27
28 error_t (*_hurd_ports_getters[INIT_PORT_MAX]) (mach_port_t *result) =
29 {
30 [INIT_PORT_BOOTSTRAP] = getbootstrap,
31 };
32
33 error_t
_hurd_ports_get(unsigned int which,mach_port_t * result)34 _hurd_ports_get (unsigned int which, mach_port_t *result)
35 {
36 if (which >= _hurd_nports)
37 return EINVAL;
38 if (which >= INIT_PORT_MAX || _hurd_ports_getters[which] == NULL)
39 return HURD_PORT_USE (&_hurd_ports[which],
40 (*result = port) == MACH_PORT_NULL ? 0
41 : __mach_port_mod_refs (__mach_task_self (),
42 port, MACH_PORT_RIGHT_SEND,
43 +1));
44 return (*_hurd_ports_getters[which]) (result);
45 }
46