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Start working on virtual consoles/TTYs.

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This is a mess right now, but I'd rather commit as I go.
This commit is contained in:
Andreas Kling 2018-10-30 13:59:29 +01:00
parent bd2b5327d0
commit 68739dc43e
22 changed files with 611 additions and 344 deletions
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12
VirtualFileSystem/CharacterDevice.h
View file

@ -2,16 +2,26 @@
#include <AK/Types.h>
#include "Limits.h"
#include "FileHandle.h"
class CharacterDevice {
public:
virtual ~CharacterDevice();
virtual OwnPtr<FileHandle> open(int options);
virtual bool hasDataAvailableForRead() const = 0;
virtual Unix::ssize_t read(byte* buffer, Unix::size_t bufferSize) = 0;
virtual Unix::ssize_t write(const byte* buffer, Unix::size_t bufferSize) = 0;
unsigned major() const { return m_major; }
unsigned minor() const { return m_minor; }
protected:
CharacterDevice() { }
CharacterDevice(unsigned major, unsigned minor) : m_major(major), m_minor(minor) { }
private:
unsigned m_major { 0 };
unsigned m_minor{ 0 };
};