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 <mach.h> |
19 | #include <mach/mig_support.h> |
20 | #include <hurd/threadvar.h> |
21 | |
22 | /* These functions are called by MiG-generated code. */ |
23 | |
24 | mach_port_t __hurd_reply_port0; |
25 | |
26 | /* Called by MiG to get a reply port. */ |
27 | mach_port_t |
28 | __mig_get_reply_port (void) |
29 | { |
30 | if (__hurd_local_reply_port == MACH_PORT_NULL |
31 | || (&__hurd_local_reply_port != &__hurd_reply_port0 |
32 | && __hurd_local_reply_port == __hurd_reply_port0)) |
33 | __hurd_local_reply_port = __mach_reply_port (); |
34 | |
35 | return __hurd_local_reply_port; |
36 | } |
37 | weak_alias (__mig_get_reply_port, mig_get_reply_port) |
38 | libc_hidden_def (__mig_get_reply_port) |
39 | |
40 | /* Called by MiG to deallocate the reply port. */ |
41 | void |
42 | __mig_dealloc_reply_port (mach_port_t arg) |
43 | { |
44 | mach_port_t port = __hurd_local_reply_port; |
45 | __hurd_local_reply_port = MACH_PORT_NULL; /* So the mod_refs RPC won't use it. */ |
46 | |
47 | if (MACH_PORT_VALID (port)) |
48 | __mach_port_mod_refs (__mach_task_self (), port, |
49 | MACH_PORT_RIGHT_RECEIVE, -1); |
50 | } |
51 | weak_alias (__mig_dealloc_reply_port, mig_dealloc_reply_port) |
52 | libc_hidden_def (__mig_dealloc_reply_port) |
53 | |
54 | /* Called by mig interfaces when done with a port. Used to provide the |
55 | same interface as needed when a custom allocator is used. */ |
56 | void |
57 | __mig_put_reply_port(mach_port_t port) |
58 | { |
59 | /* Do nothing. */ |
60 | } |
61 | weak_alias (__mig_put_reply_port, mig_put_reply_port) |
62 | |
63 | /* Called at startup with STACK == NULL. When per-thread variables are set |
64 | up, this is called again with STACK set to the new stack being switched |
65 | to, where per-thread variables should be set up. */ |
66 | void |
67 | __mig_init (void *stack) |
68 | { |
69 | /* Do nothing. */ |
70 | } |
71 | weak_alias (__mig_init, mig_init) |
72 | libc_hidden_def (__mig_init) |
73 | |