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https://github.com/fergalmoran/ladybird.git
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9f2b9c82bf
Implemented some syscalls: dup(), dup2(), getdtablesize(). FileHandle is now a retainable, since that's needed for dup()'ed fd's. I didn't really test any of this beyond a basic smoke check.
30 lines
718 B
C++
30 lines
718 B
C++
#pragma once
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#include <AK/Types.h>
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#include "Limits.h"
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#include "FileHandle.h"
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class CharacterDevice {
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public:
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virtual ~CharacterDevice();
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RetainPtr<FileHandle> open(int options);
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virtual bool hasDataAvailableForRead() const = 0;
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virtual Unix::ssize_t read(byte* buffer, Unix::size_t bufferSize) = 0;
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virtual Unix::ssize_t write(const byte* buffer, Unix::size_t bufferSize) = 0;
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unsigned major() const { return m_major; }
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unsigned minor() const { return m_minor; }
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virtual bool isTTY() const { return false; }
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protected:
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CharacterDevice(unsigned major, unsigned minor) : m_major(major), m_minor(minor) { }
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private:
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unsigned m_major { 0 };
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unsigned m_minor{ 0 };
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};
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