Luna/kernel/src/fs/devices/ZeroDevice.h
apio 4753e80583
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kernel: Make DeviceRegistry store the created devices instead of creating them when requested
2023-05-09 18:31:27 +02:00

29 lines
518 B
C++

#pragma once
#include "fs/devices/DeviceRegistry.h"
class ZeroDevice : public Device
{
public:
// Initializer for DeviceRegistry.
static Result<void> create();
Result<usize> read(u8* buf, usize, usize length) const override
{
__builtin_memset(buf, 0, length);
return length;
}
Result<usize> write(const u8*, usize, usize) override
{
return 0;
}
bool blocking() const override
{
return false;
}
virtual ~ZeroDevice() = default;
};