RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-10 06:47:34 +00:00
Code Issues Activity Actions

Kernel: Split the ProcFS core file into smaller components

Browse source
This commit is contained in:
Liav A 2022-10-24 09:41:31 +03:00 • committed by Andrew Kaster
parent e882b2ed05
commit 3906dd3aa3
30 changed files with 1080 additions and 822 deletions
Download patch file Download diff file Expand all files Collapse all files

51
Kernel/FileSystem/ProcFS/ProcessPropertyInode.h Normal file
View file

@ -0,0 +1,51 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/FileSystem/ProcFS/ProcessAssociatedInode.h>
#include <Kernel/Forward.h>
#include <Kernel/KBufferBuilder.h>
#include <Kernel/Locking/Mutex.h>
#include <Kernel/ProcessExposed.h>
#include <Kernel/UnixTypes.h>
namespace Kernel {
class ProcFSProcessPropertyInode final : public ProcFSProcessAssociatedInode {
friend class ProcFS;
public:
static ErrorOr<NonnullLockRefPtr<ProcFSProcessPropertyInode>> try_create_for_file_description_link(ProcFS const&, unsigned, ProcessID);
static ErrorOr<NonnullLockRefPtr<ProcFSProcessPropertyInode>> try_create_for_thread_stack(ProcFS const&, ThreadID, ProcessID);
static ErrorOr<NonnullLockRefPtr<ProcFSProcessPropertyInode>> try_create_for_pid_property(ProcFS const&, SegmentedProcFSIndex::MainProcessProperty, ProcessID);
static ErrorOr<NonnullLockRefPtr<ProcFSProcessPropertyInode>> try_create_for_child_process_link(ProcFS const&, ProcessID, ProcessID);
private:
ProcFSProcessPropertyInode(ProcFS const&, SegmentedProcFSIndex::MainProcessProperty, ProcessID);
ProcFSProcessPropertyInode(ProcFS const&, ThreadID, ProcessID);
ProcFSProcessPropertyInode(ProcFS const&, unsigned, ProcessID);
ProcFSProcessPropertyInode(ProcFS const&, ProcessID, ProcessID);
// ^Inode
virtual ErrorOr<void> attach(OpenFileDescription& description) override;
virtual void did_seek(OpenFileDescription&, off_t) override;
virtual InodeMetadata metadata() const override;
virtual ErrorOr<void> traverse_as_directory(Function<ErrorOr<void>(FileSystem::DirectoryEntryView const&)>) const override;
virtual ErrorOr<size_t> read_bytes_locked(off_t, size_t, UserOrKernelBuffer& buffer, OpenFileDescription*) const override final;
virtual ErrorOr<NonnullLockRefPtr<Inode>> lookup(StringView name) override final;
ErrorOr<void> refresh_data(OpenFileDescription& description);
ErrorOr<void> try_to_acquire_data(Process& process, KBufferBuilder& builder) const;
const SegmentedProcFSIndex::ProcessSubDirectory m_parent_sub_directory_type;
union {
SegmentedProcFSIndex::MainProcessProperty property_type;
unsigned property_index;
} m_possible_data;
mutable Mutex m_refresh_lock;
};
}