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#include "MasterPTY.h"
#include "SlavePTY.h"
MasterPTY::MasterPTY(unsigned index)
: CharacterDevice(10, index)
, m_slave(*new SlavePTY(*this, index))
, m_index(index)
{
VFS::the().register_character_device(m_slave);
}
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 m_buffer.bytes_in_write_buffer() < 4096;
}
void MasterPTY::on_slave_write(const byte* data, size_t size)
{
m_buffer.write(data, size);
}
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