1 // Copyright 2022 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::sync::Arc;
6
7 use base::RawDescriptor;
8 use devices::serial_device::SerialParameters;
9 use devices::BusDevice;
10 use devices::ProxyDevice;
11 use devices::Serial;
12 use minijail::Minijail;
13 use sync::Mutex;
14
15 use crate::DeviceRegistrationError;
16
add_serial_device( com: Serial, _serial_parameters: &SerialParameters, serial_jail: Option<Minijail>, preserved_descriptors: Vec<RawDescriptor>, #[cfg(feature = "swap")] swap_controller: &mut Option<swap::SwapController>, ) -> std::result::Result<Arc<Mutex<dyn BusDevice>>, DeviceRegistrationError>17 pub fn add_serial_device(
18 com: Serial,
19 _serial_parameters: &SerialParameters,
20 serial_jail: Option<Minijail>,
21 preserved_descriptors: Vec<RawDescriptor>,
22 #[cfg(feature = "swap")] swap_controller: &mut Option<swap::SwapController>,
23 ) -> std::result::Result<Arc<Mutex<dyn BusDevice>>, DeviceRegistrationError> {
24 let com: Arc<Mutex<dyn BusDevice>> = if let Some(serial_jail) = serial_jail {
25 Arc::new(Mutex::new(
26 ProxyDevice::new(
27 com,
28 serial_jail,
29 preserved_descriptors,
30 #[cfg(feature = "swap")]
31 swap_controller,
32 )
33 .map_err(DeviceRegistrationError::ProxyDeviceCreation)?,
34 ))
35 } else {
36 Arc::new(Mutex::new(com))
37 };
38 Ok(com)
39 }
40