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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Memory/InodeVMObject.h>
#include <Kernel/UnixTypes.h>
namespace Kernel::Memory {
class SharedInodeVMObject final : public InodeVMObject {
AK_MAKE_NONMOVABLE(SharedInodeVMObject);
public:
static ErrorOr<NonnullRefPtr<SharedInodeVMObject>> try_create_with_inode(Inode&);
virtual ErrorOr<NonnullRefPtr<VMObject>> try_clone() override;
ErrorOr<void> sync(off_t offset_in_pages = 0, size_t pages = -1);
private:
virtual bool is_shared_inode() const override { return true; }
explicit SharedInodeVMObject(Inode&, FixedArray<RefPtr<PhysicalPage>>&&, Bitmap dirty_pages);
explicit SharedInodeVMObject(SharedInodeVMObject const&, FixedArray<RefPtr<PhysicalPage>>&&, Bitmap dirty_pages);
virtual StringView class_name() const override { return "SharedInodeVMObject"sv; }
SharedInodeVMObject& operator=(SharedInodeVMObject const&) = delete;
};
}
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