2020-01-18 11:38:21 +03:00
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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2021-04-22 11:24:48 +03:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-01-18 11:38:21 +03:00
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*/
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2018-10-15 01:44:54 +03:00
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#pragma once
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2021-07-11 22:02:15 +03:00
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#include <Kernel/Devices/CharacterDevice.h>
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2018-10-15 01:44:54 +03:00
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2020-02-16 03:27:42 +03:00
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namespace Kernel {
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2018-10-15 01:44:54 +03:00
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class RandomDevice final : public CharacterDevice {
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2021-09-11 09:19:20 +03:00
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friend class DeviceManagement;
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2018-10-15 01:44:54 +03:00
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public:
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2022-08-19 21:53:40 +03:00
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static NonnullLockRefPtr<RandomDevice> must_create();
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2018-10-25 14:07:59 +03:00
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virtual ~RandomDevice() override;
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2018-10-15 01:44:54 +03:00
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2021-09-11 09:19:20 +03:00
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private:
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2021-06-18 11:37:26 +03:00
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RandomDevice();
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2019-01-21 04:33:01 +03:00
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// ^CharacterDevice
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2021-11-08 02:51:39 +03:00
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virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
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2022-04-01 20:58:27 +03:00
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virtual ErrorOr<size_t> write(OpenFileDescription&, u64, UserOrKernelBuffer const&, size_t) override;
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virtual bool can_read(OpenFileDescription const&, u64) const override;
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virtual bool can_write(OpenFileDescription const&, u64) const override { return true; }
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2021-10-03 01:24:00 +03:00
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virtual StringView class_name() const override { return "RandomDevice"sv; }
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2018-10-15 01:44:54 +03:00
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};
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2020-02-16 03:27:42 +03:00
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}
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