ladybird/Kernel/TTY/SlavePTY.h
Andreas Kling 8cbb7f101f Kernel: Have File virtuals take a FileDescriptor& rather than a Process&.
This will allow us to implement different behaviors depending on the role
of the descriptor a File is being accessed through.
2019-04-29 13:58:40 +02:00

39 lines
1.1 KiB
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 byte*, ssize_t);
unsigned index() const { return m_index; }
InodeIdentifier devpts_inode_id() const { return m_devpts_inode_id; }
void set_devpts_inode_id(InodeIdentifier inode_id) { m_devpts_inode_id = inode_id; }
private:
// ^TTY
virtual String tty_name() const override;
virtual ssize_t on_tty_write(const byte*, ssize_t) override;
// ^CharacterDevice
virtual bool can_read(FileDescriptor&) const override;
virtual ssize_t read(FileDescriptor&, byte*, ssize_t) override;
virtual bool can_write(FileDescriptor&) const override;
virtual const char* class_name() const override { return "SlavePTY"; }
virtual void close() override;
friend class MasterPTY;
SlavePTY(MasterPTY&, unsigned index);
RetainPtr<MasterPTY> m_master;
unsigned m_index;
InodeIdentifier m_devpts_inode_id;
String m_tty_name;
};