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40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/CircularQueue.h>
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#include <AK/Vector.h>
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#include <Kernel/Devices/CharacterDevice.h>
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namespace Kernel {
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class ConsoleDevice final : public CharacterDevice {
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friend class DeviceManagement;
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public:
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static NonnullRefPtr<ConsoleDevice> must_create();
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virtual ~ConsoleDevice() override;
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// ^CharacterDevice
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virtual bool can_read(const Kernel::OpenFileDescription&, u64) const override;
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virtual bool can_write(const Kernel::OpenFileDescription&, u64) const override { return true; }
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virtual ErrorOr<size_t> read(OpenFileDescription&, u64, Kernel::UserOrKernelBuffer&, size_t) override;
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virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const Kernel::UserOrKernelBuffer&, size_t) override;
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virtual StringView class_name() const override { return "Console"sv; }
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void put_char(char);
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const CircularQueue<char, 16384>& logbuffer() const { return m_logbuffer; }
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private:
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ConsoleDevice();
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CircularQueue<char, 16384> m_logbuffer;
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};
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}
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