ladybird/Kernel/Devices/RandomDevice.h
Andreas Kling 1b2ef8582c Kernel: Make File's can_read/can_write take a const FileDescription&
Asking a File if we could possibly read or write it will never mutate
the asking FileDescription&, so it should be const.
2019-11-04 14:03:14 +01:00

20 lines
620 B
C++

#pragma once
#include "CharacterDevice.h"
class RandomDevice final : public CharacterDevice {
AK_MAKE_ETERNAL
public:
RandomDevice();
virtual ~RandomDevice() override;
static u32 random_value();
private:
// ^CharacterDevice
virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
virtual ssize_t write(FileDescription&, const u8*, ssize_t) override;
virtual bool can_read(const FileDescription&) const override;
virtual bool can_write(const FileDescription&) const override { return true; }
virtual const char* class_name() const override { return "RandomDevice"; }
};