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Move WindowServer to userspace.

Browse source 
This is a monster patch that required changing a whole bunch of things.
There are performance and stability issues all over the place, but it works.
Pretty cool, I have to admit :^)
This commit is contained in:
Andreas Kling 2019-02-17 00:13:47 +01:00
parent 0b1b21d622
commit 640360e958
41 changed files with 325 additions and 463 deletions
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35
Kernel/LocalSocket.cpp
View file

@ -106,37 +106,54 @@ bool LocalSocket::connect(const sockaddr* address, socklen_t address_size, int&
return true;
}
void LocalSocket::close(SocketRole role)
{
if (role == SocketRole::Accepted)
m_server_closed = true;
else if (role == SocketRole::Connected)
m_client_closed = true;
}
bool LocalSocket::can_read(SocketRole role) const
{
if (m_bound && is_listening())
return can_accept();
if (role == SocketRole::Accepted)
return !m_for_server.is_empty();
else
return !m_for_client.is_empty();
return m_client_closed || !m_for_server.is_empty();
else if (role == SocketRole::Connected)
return m_server_closed || !m_for_client.is_empty();
ASSERT_NOT_REACHED();
}
ssize_t LocalSocket::read(SocketRole role, byte* buffer, size_t size)
{
if (role == SocketRole::Accepted)
return m_for_server.read(buffer, size);
else
else if (role == SocketRole::Connected)
return m_for_client.read(buffer, size);
ASSERT_NOT_REACHED();
}
ssize_t LocalSocket::write(SocketRole role, const byte* data, size_t size)
{
if (role == SocketRole::Accepted)
if (role == SocketRole::Accepted) {
if (m_client_closed)
return -EPIPE;
return m_for_client.write(data, size);
else
} else if (role == SocketRole::Connected) {
if (m_client_closed)
return -EPIPE;
return m_for_server.write(data, size);
}
ASSERT_NOT_REACHED();
}
bool LocalSocket::can_write(SocketRole role) const
{
if (role == SocketRole::Accepted)
return m_for_client.bytes_in_write_buffer() < 4096;
else
return m_for_server.bytes_in_write_buffer() < 4096;
return m_client_closed || m_for_client.bytes_in_write_buffer() < 4096;
else if (role == SocketRole::Connected)
return m_server_closed || m_for_server.bytes_in_write_buffer() < 4096;
ASSERT_NOT_REACHED();
}