1 // Copyright 2021 The ChromiumOS Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 use std::fs::File;
6
7 use super::super::cross_domain_protocol::CrossDomainInit;
8 use super::super::cross_domain_protocol::CrossDomainSendReceive;
9 use super::super::CrossDomainContext;
10 use super::super::CrossDomainState;
11 use crate::cross_domain::CrossDomainEvent;
12 use crate::cross_domain::CrossDomainToken;
13 use crate::rutabaga_utils::RutabagaError;
14 use crate::rutabaga_utils::RutabagaResult;
15
16 pub struct Stub(());
17 pub type SystemStream = Stub;
18
19 // Determine type of OS-specific descriptor.
descriptor_analysis( _descriptor: &mut File, _descriptor_type: &mut u32, _size: &mut u32, ) -> RutabagaResult<()>20 pub fn descriptor_analysis(
21 _descriptor: &mut File,
22 _descriptor_type: &mut u32,
23 _size: &mut u32,
24 ) -> RutabagaResult<()> {
25 Err(RutabagaError::Unsupported)
26 }
27
28 impl CrossDomainState {
receive_msg( &self, _opaque_data: &mut [u8], ) -> RutabagaResult<(usize, Vec<File>)>29 pub(crate) fn receive_msg(
30 &self,
31 _opaque_data: &mut [u8],
32 ) -> RutabagaResult<(usize, Vec<File>)> {
33 Err(RutabagaError::Unsupported)
34 }
35 }
36
37 impl CrossDomainContext {
get_connection( &mut self, _cmd_init: &CrossDomainInit, ) -> RutabagaResult<Option<SystemStream>>38 pub(crate) fn get_connection(
39 &mut self,
40 _cmd_init: &CrossDomainInit,
41 ) -> RutabagaResult<Option<SystemStream>> {
42 Err(RutabagaError::Unsupported)
43 }
44
send( &self, _cmd_send: &CrossDomainSendReceive, _opaque_data: &[u8], ) -> RutabagaResult<()>45 pub(crate) fn send(
46 &self,
47 _cmd_send: &CrossDomainSendReceive,
48 _opaque_data: &[u8],
49 ) -> RutabagaResult<()> {
50 Err(RutabagaError::Unsupported)
51 }
52 }
53
54 pub type Sender = Stub;
55 pub type Receiver = Stub;
56
channel_signal(_sender: &Sender) -> RutabagaResult<()>57 pub fn channel_signal(_sender: &Sender) -> RutabagaResult<()> {
58 Err(RutabagaError::Unsupported)
59 }
60
channel_wait(_receiver: &Receiver) -> RutabagaResult<()>61 pub fn channel_wait(_receiver: &Receiver) -> RutabagaResult<()> {
62 Err(RutabagaError::Unsupported)
63 }
64
read_volatile(_file: &File, _opaque_data: &mut [u8]) -> RutabagaResult<usize>65 pub fn read_volatile(_file: &File, _opaque_data: &mut [u8]) -> RutabagaResult<usize> {
66 Err(RutabagaError::Unsupported)
67 }
68
write_volatile(_file: &File, _opaque_data: &[u8]) -> RutabagaResult<()>69 pub fn write_volatile(_file: &File, _opaque_data: &[u8]) -> RutabagaResult<()> {
70 Err(RutabagaError::Unsupported)
71 }
72
channel() -> RutabagaResult<(Sender, Receiver)>73 pub fn channel() -> RutabagaResult<(Sender, Receiver)> {
74 Err(RutabagaError::Unsupported)
75 }
76
77 pub type WaitContext = Stub;
78
79 pub trait WaitTrait {}
80 impl WaitTrait for Stub {}
81 impl WaitTrait for &Stub {}
82 impl WaitTrait for File {}
83 impl WaitTrait for &File {}
84 impl WaitTrait for &mut File {}
85
86 impl WaitContext {
new() -> RutabagaResult<WaitContext>87 pub fn new() -> RutabagaResult<WaitContext> {
88 Err(RutabagaError::Unsupported)
89 }
90
add<Waitable: WaitTrait>( &mut self, _token: CrossDomainToken, _waitable: Waitable, ) -> RutabagaResult<()>91 pub fn add<Waitable: WaitTrait>(
92 &mut self,
93 _token: CrossDomainToken,
94 _waitable: Waitable,
95 ) -> RutabagaResult<()> {
96 Err(RutabagaError::Unsupported)
97 }
98
wait(&mut self) -> RutabagaResult<Vec<CrossDomainEvent>>99 pub fn wait(&mut self) -> RutabagaResult<Vec<CrossDomainEvent>> {
100 Err(RutabagaError::Unsupported)
101 }
102
delete<Waitable: WaitTrait>( &mut self, _token: CrossDomainToken, _waitable: Waitable, ) -> RutabagaResult<()>103 pub fn delete<Waitable: WaitTrait>(
104 &mut self,
105 _token: CrossDomainToken,
106 _waitable: Waitable,
107 ) -> RutabagaResult<()> {
108 Err(RutabagaError::Unsupported)
109 }
110 }
111