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Kernel: Move devices into Kernel/Devices/.

This commit is contained in:
Andreas Kling 2019-04-03 12:36:40 +02:00
parent 072ea7eece
commit ab43658c55
42 changed files with 53 additions and 54 deletions

51
Kernel/Devices/Device.h Normal file
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#pragma once
#include <AK/Retainable.h>
#include <AK/Types.h>
#include "Limits.h"
#include "FileDescriptor.h"
class Process;
class Device : public Retainable<Device> {
public:
virtual ~Device();
InodeMetadata metadata() const { return { }; }
virtual KResultOr<Retained<FileDescriptor>> open(int options);
virtual void close();
virtual bool can_read(Process&) const = 0;
virtual bool can_write(Process&) const = 0;
virtual ssize_t read(Process&, byte*, ssize_t) = 0;
virtual ssize_t write(Process&, const byte*, ssize_t) = 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;
uid_t uid() const { return m_uid; }
uid_t gid() const { return m_gid; }
virtual bool is_block_device() const { return false; }
virtual bool is_character_device() const { return false; }
protected:
Device(unsigned major, unsigned minor);
void set_uid(uid_t uid) { m_uid = uid; }
void set_gid(gid_t gid) { m_gid = gid; }
private:
unsigned m_major { 0 };
unsigned m_minor { 0 };
uid_t m_uid { 0 };
gid_t m_gid { 0 };
};