Start refactoring the windowing system to use an event loop.

Userspace programs can now open /dev/gui_events and read a stream of GUI_Event
structs one at a time.

I was stuck on a stupid problem where we'd reenter Scheduler::yield() due to
having one of the has_data_available_for_reading() implementations using locks.

1 files changed, 1 insertions, 1 deletions

diff --git a/Kernel/TTY.cpp b/Kernel/TTY.cpp
index c2a64f9a9e..5261e251e1 100644
--- a/Kernel/TTY.cpp
+++ b/Kernel/TTY.cpp
@@ -42,7 +42,7 @@ ssize_t TTY::write(const byte* buffer, size_t size)
     return size;
 }
 
-bool TTY::has_data_available_for_reading() const
+bool TTY::has_data_available_for_reading(Process&) const
 {
     return !m_buffer.is_empty();
 }