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cd5faf4e42
...and also RangeAllocator => VirtualRangeAllocator. This clarifies that the ranges we're dealing with are *virtual* memory ranges and not anything else.
58 lines
1 KiB
C++
58 lines
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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#include <AK/StringView.h>
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#include <AK/Userspace.h>
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#include <Kernel/FileSystem/File.h>
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#include <Kernel/FileSystem/FileDescription.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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File::File()
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{
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}
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File::~File()
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{
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}
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KResultOr<NonnullRefPtr<FileDescription>> File::open(int options)
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{
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auto description = FileDescription::create(*this);
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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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return description;
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}
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KResult File::close()
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{
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return KSuccess;
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}
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KResult File::ioctl(FileDescription&, unsigned, Userspace<void*>)
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{
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return ENOTTY;
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}
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KResultOr<Memory::Region*> File::mmap(Process&, FileDescription&, Memory::VirtualRange const&, u64, int, bool)
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{
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return ENODEV;
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}
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KResult File::attach(FileDescription&)
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{
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m_attach_count++;
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return KSuccess;
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}
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void File::detach(FileDescription&)
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{
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m_attach_count--;
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}
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}
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