ladybird/Kernel/MasterPTY.h

35 lines
1 KiB
C++

#pragma once
#include <AK/Badge.h>
#include <Kernel/CharacterDevice.h>
#include <Kernel/DoubleBuffer.h>
class SlavePTY;
class MasterPTY final : public CharacterDevice {
public:
explicit MasterPTY(unsigned index);
virtual ~MasterPTY() override;
unsigned index() const { return m_index; }
String pts_name() const;
ssize_t on_slave_write(const byte*, size_t);
bool can_write_from_slave() const;
void notify_slave_closed(Badge<SlavePTY>);
bool is_closed() const { return m_closed; }
private:
// ^CharacterDevice
virtual ssize_t read(Process&, byte*, size_t) override;
virtual ssize_t write(Process&, const byte*, size_t) override;
virtual bool can_read(Process&) const override;
virtual bool can_write(Process&) const override;
virtual void close() override;
virtual bool is_master_pty() const override { return true; }
virtual const char* class_name() const override { return "MasterPTY"; }
RetainPtr<SlavePTY> m_slave;
unsigned m_index;
bool m_closed { false };
DoubleBuffer m_buffer;
};