Kernel: Begin implementing UNIX domain sockets.

Kernel/Socket.cpp

@@ -0,0 +1,29 @@
+#include <Kernel/Socket.h>
+#include <Kernel/LocalSocket.h>
+#include <Kernel/UnixTypes.h>
+#include <LibC/errno_numbers.h>
+
+RetainPtr<Socket> Socket::create(int domain, int type, int protocol, int& error)
+{
+    (void)protocol;
+    switch (domain) {
+    case AF_LOCAL:
+        return LocalSocket::create(type);
+    default:
+        error = EAFNOSUPPORT;
+        return nullptr;
+    }
+}
+
+Socket::Socket(int domain, int type, int protocol)
+    : m_domain(domain)
+    , m_type(type)
+    , m_protocol(protocol)
+{
+}
+
+Socket::~Socket()
+{
+}
+
+