1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 07:37:35 +00:00

Move VFS sources into Kernel/.

This commit is contained in:
Andreas Kling 2019-01-23 05:13:17 +01:00
parent 19104570cc
commit 754037874c
49 changed files with 35 additions and 37 deletions

40
Kernel/CharacterDevice.h Normal file
View file

@ -0,0 +1,40 @@
#pragma once
#include <AK/Retainable.h>
#include <AK/Types.h>
#include "Limits.h"
#include "FileDescriptor.h"
class Process;
class CharacterDevice : public Retainable<CharacterDevice> {
public:
virtual ~CharacterDevice();
InodeMetadata metadata() const { return { }; }
virtual RetainPtr<FileDescriptor> open(int& error, int options);
virtual bool can_read(Process&) const = 0;
virtual bool can_write(Process&) const = 0;
virtual ssize_t read(Process&, byte* buffer, size_t bufferSize) = 0;
virtual ssize_t write(Process&, const byte* buffer, size_t bufferSize) = 0;
unsigned major() const { return m_major; }
unsigned minor() const { return m_minor; }
virtual bool is_tty() const { return false; }
virtual bool is_master_pty() const { return false; }
virtual int ioctl(Process&, unsigned request, unsigned arg);
virtual const char* class_name() const = 0;
protected:
CharacterDevice(unsigned major, unsigned minor) : m_major(major), m_minor(minor) { }
private:
unsigned m_major { 0 };
unsigned m_minor { 0 };
};