mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 15:52:43 +00:00
8cbb7f101f
This will allow us to implement different behaviors depending on the role of the descriptor a File is being accessed through.
21 lines
600 B
C++
21 lines
600 B
C++
#pragma once
|
|
|
|
#include "CharacterDevice.h"
|
|
|
|
class NullDevice final : public CharacterDevice {
|
|
AK_MAKE_ETERNAL
|
|
public:
|
|
NullDevice();
|
|
virtual ~NullDevice() override;
|
|
|
|
static NullDevice& the();
|
|
|
|
private:
|
|
// ^CharacterDevice
|
|
virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
|
|
virtual ssize_t write(FileDescriptor&, const byte*, ssize_t) override;
|
|
virtual bool can_write(FileDescriptor&) const override { return true; }
|
|
virtual bool can_read(FileDescriptor&) const override;
|
|
virtual const char* class_name() const override { return "NullDevice"; }
|
|
};
|
|
|