mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:42:44 +00:00
51 lines
2.3 KiB
C++
51 lines
2.3 KiB
C++
/*
|
|
* 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;
|
|
};
|
|
}
|