devices/src/serial_device.rs


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// Copyright 2020 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

use std::io;
use std::os::unix::io::RawFd;

use sys_util::EventFd;

/// Abstraction over serial-like devices that can be created given an event and optional input and
/// output streams.
pub trait SerialDevice {
    fn new(
        interrupt_evt: EventFd,
        input: Option<Box<dyn io::Read + Send>>,
        output: Option<Box<dyn io::Write + Send>>,
        keep_fds: Vec<RawFd>,
    ) -> Self;
}