mirror of
https://github.com/SerenityOS/serenity
synced 2024-09-19 16:01:40 +00:00
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
|
|
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Types.h>
|
|
#include <Kernel/FileSystem/FileSystem.h>
|
|
#include <Kernel/FileSystem/Inode.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class SlavePTY;
|
|
class DevPtsFSInode;
|
|
|
|
class DevPtsFS final : public FileSystem {
|
|
friend class DevPtsFSInode;
|
|
|
|
public:
|
|
virtual ~DevPtsFS() override;
|
|
static ErrorOr<NonnullRefPtr<DevPtsFS>> try_create();
|
|
|
|
virtual ErrorOr<void> initialize() override;
|
|
virtual StringView class_name() const override { return "DevPtsFS"sv; }
|
|
|
|
virtual Inode& root_inode() override;
|
|
|
|
private:
|
|
DevPtsFS();
|
|
ErrorOr<NonnullRefPtr<Inode>> get_inode(InodeIdentifier) const;
|
|
|
|
RefPtr<DevPtsFSInode> m_root_inode;
|
|
};
|
|
|
|
class DevPtsFSInode final : public Inode {
|
|
friend class DevPtsFS;
|
|
|
|
public:
|
|
virtual ~DevPtsFSInode() override;
|
|
|
|
DevPtsFS& fs() { return static_cast<DevPtsFS&>(Inode::fs()); }
|
|
DevPtsFS const& fs() const { return static_cast<DevPtsFS const&>(Inode::fs()); }
|
|
|
|
private:
|
|
DevPtsFSInode(DevPtsFS&, InodeIndex, SlavePTY*);
|
|
|
|
// ^Inode
|
|
virtual ErrorOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override;
|
|
virtual InodeMetadata metadata() const override;
|
|
virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
|
|
virtual ErrorOr<NonnullRefPtr<Inode>> lookup(StringView name) override;
|
|
virtual ErrorOr<void> flush_metadata() override;
|
|
virtual ErrorOr<size_t> write_bytes(off_t, size_t, UserOrKernelBuffer const& buffer, OpenFileDescription*) override;
|
|
virtual ErrorOr<NonnullRefPtr<Inode>> create_child(StringView name, mode_t, dev_t, UserID, GroupID) override;
|
|
virtual ErrorOr<void> add_child(Inode&, StringView name, mode_t) override;
|
|
virtual ErrorOr<void> remove_child(StringView name) override;
|
|
virtual ErrorOr<void> chmod(mode_t) override;
|
|
virtual ErrorOr<void> chown(UserID, GroupID) override;
|
|
|
|
WeakPtr<SlavePTY> m_pty;
|
|
InodeMetadata m_metadata;
|
|
};
|
|
|
|
}
|