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https://github.com/SerenityOS/serenity
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3d5ddbab74
The current implementation of DevFS resembles the linux devtmpfs, and not the traditional DevFS, so let's rename it to better represent the direction of the development in regard to this filesystem. The abbreviation for DevTmpFS is still "dev", because it doesn't add value as a commandline option to make it longer. In quick summary - DevFS in unix OSes is simply a static filesystem, so device nodes are generated and removed by the kernel code. DevTmpFS is a "modern reinvention" of the DevFS, so it is much more like a TmpFS in the sense that not only it's stored entirely in RAM, but the userland is responsible to add and remove devices nodes as it sees fit, and no kernel code is directly being involved to keep the filesystem in sync.
105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
/*
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* Copyright (c) 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/DistinctNumeric.h>
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#include <Kernel/API/POSIX/sys/types.h>
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namespace Kernel {
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class BlockDevice;
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class CharacterDevice;
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class Coredump;
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class Custody;
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class DevTmpFSDeviceInode;
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class DevTmpFSDirectoryInode;
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class DevTmpFSInode;
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class DevTmpFSPtsDirectoryInode;
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class DevTmpFSRootDirectoryInode;
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class Device;
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class DiskCache;
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class DoubleBuffer;
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class File;
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class OpenFileDescription;
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class FileSystem;
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class FutexQueue;
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class IPv4Socket;
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class Inode;
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class InodeIdentifier;
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class InodeWatcher;
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class KBuffer;
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class KResult;
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class LocalSocket;
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class Mutex;
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class MasterPTY;
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class Mount;
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class PerformanceEventBuffer;
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class ProcFS;
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class ProcFSDirectoryInode;
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class ProcFSExposedComponent;
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class ProcFSExposedDirectory;
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class ProcFSInode;
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class ProcFSProcessInformation;
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class ProcFSRootDirectory;
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class ProcFSSystemBoolean;
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class ProcFSSystemDirectory;
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class Process;
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class ProcessGroup;
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class RecursiveSpinlock;
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class Scheduler;
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class Socket;
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class SysFS;
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class SysFSDirectory;
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class SysFSBusDirectory;
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class SysFSDirectoryInode;
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class SysFSInode;
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class TCPSocket;
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class TTY;
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class Thread;
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class ThreadTracer;
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class UDPSocket;
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class UserOrKernelBuffer;
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class VirtualFileSystem;
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class WaitQueue;
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class WorkQueue;
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namespace Memory {
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class AddressSpace;
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class AnonymousVMObject;
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class InodeVMObject;
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class MappedROM;
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class MemoryManager;
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class PageDirectory;
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class PhysicalPage;
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class PhysicalRegion;
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class PrivateInodeVMObject;
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class Region;
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class SharedInodeVMObject;
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class VMObject;
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class VirtualRange;
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class VirtualRangeAllocator;
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}
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class Spinlock;
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template<typename LockType>
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class SpinlockLocker;
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template<typename T>
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class KResultOr;
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struct InodeMetadata;
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struct TrapFrame;
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TYPEDEF_DISTINCT_ORDERED_ID(pid_t, ProcessID);
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TYPEDEF_DISTINCT_ORDERED_ID(pid_t, ThreadID);
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TYPEDEF_DISTINCT_ORDERED_ID(pid_t, SessionID);
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TYPEDEF_DISTINCT_ORDERED_ID(pid_t, ProcessGroupID);
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TYPEDEF_DISTINCT_ORDERED_ID(uid_t, UserID);
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TYPEDEF_DISTINCT_ORDERED_ID(gid_t, GroupID);
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}
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