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53 lines
1.5 KiB
C++
53 lines
1.5 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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#pragma once
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#include <AK/Error.h>
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#include <AK/IntrusiveList.h>
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#include <AK/RefPtr.h>
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#include <Kernel/Forward.h>
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#include <Kernel/KString.h>
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#include <Kernel/Library/ListedRefCounted.h>
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#include <Kernel/Locking/MutexProtected.h>
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namespace Kernel {
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// FIXME: Custody needs some locking.
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class Custody : public ListedRefCounted<Custody, LockType::Mutex> {
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public:
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static ErrorOr<NonnullRefPtr<Custody>> try_create(Custody* parent, StringView name, Inode&, int mount_flags);
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~Custody();
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Custody* parent() { return m_parent.ptr(); }
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Custody const* parent() const { return m_parent.ptr(); }
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Inode& inode() { return *m_inode; }
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Inode const& inode() const { return *m_inode; }
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StringView name() const { return m_name->view(); }
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ErrorOr<NonnullOwnPtr<KString>> try_serialize_absolute_path() const;
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int mount_flags() const { return m_mount_flags; }
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bool is_readonly() const;
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private:
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Custody(Custody* parent, NonnullOwnPtr<KString> name, Inode&, int mount_flags);
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RefPtr<Custody> m_parent;
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NonnullOwnPtr<KString> m_name;
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NonnullRefPtr<Inode> m_inode;
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int m_mount_flags { 0 };
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mutable IntrusiveListNode<Custody> m_all_custodies_list_node;
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public:
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using AllCustodiesList = IntrusiveList<&Custody::m_all_custodies_list_node>;
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static MutexProtected<Custody::AllCustodiesList>& all_instances();
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};
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}
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