2020-01-18 08:38:21 +00:00
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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 08:24:48 +00:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-01-18 08:38:21 +00:00
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*/
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2020-03-23 12:45:10 +00:00
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#include <AK/StringView.h>
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2021-07-26 09:47:00 +00:00
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#include <AK/Userspace.h>
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2019-07-09 12:46:23 +00:00
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#include <Kernel/FileSystem/File.h>
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2021-09-07 11:39:11 +00:00
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#include <Kernel/FileSystem/OpenFileDescription.h>
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2021-07-19 05:29:56 +00:00
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#include <Kernel/Process.h>
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2019-04-28 12:53:50 +00:00
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2020-02-16 00:27:42 +00:00
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namespace Kernel {
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2022-03-16 19:15:15 +00:00
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File::File() = default;
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File::~File() = default;
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2019-04-28 12:53:50 +00:00
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2021-11-07 23:51:39 +00:00
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ErrorOr<NonnullRefPtr<OpenFileDescription>> File::open(int options)
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2019-04-28 12:53:50 +00:00
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{
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2021-09-07 11:39:11 +00:00
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auto description = OpenFileDescription::try_create(*this);
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2020-09-17 19:51:09 +00:00
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if (!description.is_error()) {
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description.value()->set_rw_mode(options);
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description.value()->set_file_flags(options);
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}
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2020-01-04 11:29:33 +00:00
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return description;
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2019-04-28 12:53:50 +00:00
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}
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2021-11-07 23:51:39 +00:00
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ErrorOr<void> File::close()
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2019-04-28 12:53:50 +00:00
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{
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2021-11-07 23:51:39 +00:00
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return {};
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2019-04-28 12:53:50 +00:00
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}
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2021-11-07 23:51:39 +00:00
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ErrorOr<void> File::ioctl(OpenFileDescription&, unsigned, Userspace<void*>)
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2019-04-28 12:53:50 +00:00
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{
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2021-07-26 10:47:25 +00:00
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return ENOTTY;
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2019-04-28 12:53:50 +00:00
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}
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2021-11-07 23:51:39 +00:00
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ErrorOr<Memory::Region*> File::mmap(Process&, OpenFileDescription&, Memory::VirtualRange const&, u64, int, bool)
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2019-04-28 12:53:50 +00:00
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{
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2021-01-20 22:11:17 +00:00
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return ENODEV;
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2019-04-28 12:53:50 +00:00
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}
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2020-02-16 00:27:42 +00:00
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2021-11-07 23:51:39 +00:00
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ErrorOr<void> File::attach(OpenFileDescription&)
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2021-04-30 08:33:33 +00:00
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{
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m_attach_count++;
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2021-11-07 23:51:39 +00:00
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return {};
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2021-04-30 08:33:33 +00:00
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}
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2021-09-07 11:39:11 +00:00
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void File::detach(OpenFileDescription&)
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2021-04-30 08:33:33 +00:00
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{
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m_attach_count--;
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}
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2020-02-16 00:27:42 +00:00
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}
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