ladybird/Kernel/TTY/SlavePTY.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

35 lines
940 B
C++

#pragma once
#include <Kernel/FileSystem/InodeIdentifier.h>
#include <Kernel/TTY/TTY.h>
class MasterPTY;
class SlavePTY final : public TTY {
public:
virtual ~SlavePTY() override;
void on_master_write(const u8*, ssize_t);
unsigned index() const { return m_index; }
private:
// ^TTY
virtual StringView tty_name() const override;
virtual ssize_t on_tty_write(const u8*, ssize_t) override;
virtual void echo(u8) override;
// ^CharacterDevice
virtual bool can_read(const FileDescription&) const override;
virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
virtual bool can_write(const FileDescription&) const override;
virtual const char* class_name() const override { return "SlavePTY"; }
virtual void close() override;
friend class MasterPTY;
SlavePTY(MasterPTY&, unsigned index);
RefPtr<MasterPTY> m_master;
unsigned m_index;
char m_tty_name[32];
};