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Add basic PTY support.

For now, there are four hard-coded PTYs: /dev/pt{m,s}[0123]
Use this in the Terminal to open a pty pair and spawn a shell.
This commit is contained in:
Andreas Kling 2019-01-15 06:30:19 +01:00
parent ecb4ab0943
commit 2f74c2f430
21 changed files with 287 additions and 10 deletions

24
Kernel/SlavePTY.h Normal file
View file

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#pragma once
#include "TTY.h"
class MasterPTY;
class SlavePTY final : public TTY {
public:
explicit SlavePTY(unsigned index);
virtual ~SlavePTY() override;
void set_master(MasterPTY& master) { m_master = &master; }
virtual String tty_name() const override;
void on_master_write(const byte*, size_t);
protected:
virtual void on_tty_write(const byte*, size_t) override;
private:
unsigned m_index;
MasterPTY* m_master { nullptr };
};