]>
Commit | Line | Data |
---|---|---|
c84142e8 UD |
1 | /* Copyright (C) 1993, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
28f540f4 | 3 | |
c84142e8 UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
28f540f4 | 8 | |
c84142e8 UD |
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 | Library General Public License for more details. | |
28f540f4 | 13 | |
c84142e8 UD |
14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 RM |
18 | |
19 | #include <mach.h> | |
20 | ||
21 | kern_return_t | |
22 | __mach_get_priv_ports (mach_port_t *host_priv_ptr, | |
23 | mach_port_t *device_master_ptr) | |
24 | { | |
25 | kern_return_t err; | |
26 | mach_port_t bootstrap, reply; | |
27 | ||
28 | struct | |
29 | { | |
30 | mach_msg_header_t hdr; | |
31 | mach_msg_type_t host_priv_type; | |
32 | mach_port_t host_priv; | |
33 | mach_msg_type_t dev_master_type; | |
34 | mach_port_t dev_master; | |
35 | } msg; | |
36 | ||
37 | if (err = task_get_bootstrap_port (mach_task_self (), &bootstrap)) | |
38 | return err; | |
39 | ||
40 | /* We cannot simply use a MiG-generated user stub to do this, | |
41 | because the return message does not contain a return code datum. */ | |
42 | reply = __mach_reply_port (); | |
43 | msg.hdr.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND, | |
44 | MACH_MSG_TYPE_MAKE_SEND_ONCE); | |
45 | msg.hdr.msgh_size = 0; | |
46 | msg.hdr.msgh_remote_port = bootstrap; | |
47 | msg.hdr.msgh_local_port = reply; | |
48 | msg.hdr.msgh_kind = MACH_MSGH_KIND_NORMAL; | |
49 | msg.hdr.msgh_id = 999999; | |
50 | err = __mach_msg (&msg.hdr, | |
51 | MACH_SEND_MSG|MACH_RCV_MSG|MACH_RCV_TIMEOUT, | |
52 | sizeof (msg.hdr), sizeof (msg), reply, | |
53 | 500, MACH_PORT_NULL); /* XXX timeout is arbitrary */ | |
54 | mach_port_deallocate (mach_task_self (), bootstrap); | |
55 | mach_port_deallocate (mach_task_self (), reply); | |
56 | ||
57 | if (err == KERN_SUCCESS) | |
58 | { | |
59 | *host_priv_ptr = msg.host_priv; | |
60 | *device_master_ptr = msg.dev_master; | |
61 | } | |
62 | ||
63 | return err; | |
64 | } |