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
setbootstrap(mach_port_t newport)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
_hurd_ports_set(unsigned int which,mach_port_t newport)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