ladybird/Kernel/FileSystem/Custody.h
Andreas Kling cda2b9e71c Kernel: Improvements to Custody absolute path serialization
- Renamed try_create_absolute_path() => try_serialize_absolute_path()
- Use KResultOr and TRY() to propagate errors
- Don't call this when it's only for debug logging
2021-09-06 13:06:05 +02:00

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1.5 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/IntrusiveList.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/String.h>
#include <Kernel/API/KResult.h>
#include <Kernel/Forward.h>
#include <Kernel/Heap/SlabAllocator.h>
#include <Kernel/KString.h>
namespace Kernel {
// FIXME: Custody needs some locking.
class Custody : public RefCountedBase {
MAKE_SLAB_ALLOCATED(Custody)
public:
bool unref() const;
static KResultOr<NonnullRefPtr<Custody>> try_create(Custody* parent, StringView name, Inode&, int mount_flags);
~Custody();
Custody* parent() { return m_parent.ptr(); }
Custody const* parent() const { return m_parent.ptr(); }
Inode& inode() { return *m_inode; }
Inode const& inode() const { return *m_inode; }
StringView name() const { return m_name->view(); }
KResultOr<NonnullOwnPtr<KString>> try_serialize_absolute_path() const;
String absolute_path() const;
int mount_flags() const { return m_mount_flags; }
bool is_readonly() const;
private:
Custody(Custody* parent, NonnullOwnPtr<KString> name, Inode&, int mount_flags);
RefPtr<Custody> m_parent;
NonnullOwnPtr<KString> m_name;
NonnullRefPtr<Inode> m_inode;
int m_mount_flags { 0 };
mutable IntrusiveListNode<Custody> m_all_custodies_list_node;
public:
using AllCustodiesList = IntrusiveList<Custody, RawPtr<Custody>, &Custody::m_all_custodies_list_node>;
};
}