jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <Kernel/Devices/CharacterDevice.h>
10
11namespace Kernel {
12
13class SelfTTYDevice final : public CharacterDevice {
14 friend class DeviceManagement;
15
16public:
17 static NonnullLockRefPtr<SelfTTYDevice> must_create();
18 virtual ~SelfTTYDevice() override;
19
20private:
21 SelfTTYDevice();
22
23 // ^Device
24 virtual bool is_openable_by_jailed_processes() const override { return true; }
25
26 // ^CharacterDevice
27 virtual ErrorOr<NonnullRefPtr<OpenFileDescription>> open(int options) override;
28 virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
29 virtual ErrorOr<size_t> write(OpenFileDescription&, u64, UserOrKernelBuffer const&, size_t) override;
30 virtual bool can_read(OpenFileDescription const&, u64) const override;
31 virtual bool can_write(OpenFileDescription const&, u64) const override;
32 virtual StringView class_name() const override { return "SelfTTYDevice"sv; }
33};
34
35}