Move DoubleBuffer to its own files.

1 files changed, 1 insertions, 23 deletions

diff --git a/Kernel/TTY.h b/Kernel/TTY.h
index a5e6385489..eb1f18d74f 100644
--- a/Kernel/TTY.h
+++ b/Kernel/TTY.h
@@ -1,33 +1,11 @@
 #pragma once
 
+#include "DoubleBuffer.h"
 #include <VirtualFileSystem/CharacterDevice.h>
 #include <VirtualFileSystem/UnixTypes.h>
 
 class Process;
 
-class DoubleBuffer {
-public:
-    DoubleBuffer()
-        : m_write_buffer(&m_buffer1)
-        , m_read_buffer(&m_buffer2)
-    {
-    }
-
-    ssize_t write(const byte*, size_t);
-    ssize_t read(byte*, size_t);
-
-    bool is_empty() const { return m_read_buffer_index >= m_read_buffer->size() && m_write_buffer->isEmpty(); }
-
-private:
-    void flip();
-
-    Vector<byte>* m_write_buffer { nullptr };
-    Vector<byte>* m_read_buffer { nullptr };
-    Vector<byte> m_buffer1;
-    Vector<byte> m_buffer2;
-    size_t m_read_buffer_index { 0 };
-};
-
 class TTY : public CharacterDevice {
 public:
     virtual ~TTY() override;