e9b948103d
You can now open as many PTY pairs as you like. Well, it's actually capped at 8 for now, but it's just a constant and trivial to change. Unregistering a PTY pair is untested because I didn't want to start mucking with that in Terminal right now.
51 lines
922 B
C++
51 lines
922 B
C++
#include "MasterPTY.h"
|
|
#include "SlavePTY.h"
|
|
|
|
MasterPTY::MasterPTY(unsigned index)
|
|
: CharacterDevice(10, index)
|
|
, m_slave(*new SlavePTY(*this, index))
|
|
, m_index(index)
|
|
{
|
|
}
|
|
|
|
MasterPTY::~MasterPTY()
|
|
{
|
|
}
|
|
|
|
String MasterPTY::pts_name() const
|
|
{
|
|
char buffer[32];
|
|
ksprintf(buffer, "/dev/pts/%u", m_index);
|
|
return buffer;
|
|
}
|
|
|
|
ssize_t MasterPTY::read(Process&, byte* buffer, size_t size)
|
|
{
|
|
return m_buffer.read(buffer, size);
|
|
}
|
|
|
|
ssize_t MasterPTY::write(Process&, const byte* buffer, size_t size)
|
|
{
|
|
m_slave.on_master_write(buffer, size);
|
|
return size;
|
|
}
|
|
|
|
bool MasterPTY::can_read(Process&) const
|
|
{
|
|
return !m_buffer.is_empty();
|
|
}
|
|
|
|
bool MasterPTY::can_write(Process&) const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
void MasterPTY::on_slave_write(const byte* data, size_t size)
|
|
{
|
|
m_buffer.write(data, size);
|
|
}
|
|
|
|
bool MasterPTY::can_write_from_slave() const
|
|
{
|
|
return m_buffer.bytes_in_write_buffer() < 4096;
|
|
}
|