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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

30
Kernel/SlavePTY.cpp Normal file
View file

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#include "SlavePTY.h"
#include "MasterPTY.h"
SlavePTY::SlavePTY(unsigned index)
: TTY(11, index)
, m_index(index)
{
}
SlavePTY::~SlavePTY()
{
}
String SlavePTY::tty_name() const
{
char buffer[32];
ksprintf(buffer, "/dev/pts%u", m_index);
return buffer;
}
void SlavePTY::on_master_write(const byte* buffer, size_t size)
{
for (size_t i = 0; i < size; ++i)
emit(buffer[i]);
}
void SlavePTY::on_tty_write(const byte* data, size_t size)
{
m_master->on_slave_write(data, size);
}