Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibIPC/SingleServer.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2021, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibCore/System.h>
+#include <LibCore/SystemServerTakeover.h>
+#include <LibIPC/ConnectionFromClient.h>
+
+namespace IPC {
+
+template<typename ConnectionFromClientType>
+ErrorOr<NonnullRefPtr<ConnectionFromClientType>> take_over_accepted_client_from_system_server()
+{
+    auto socket = TRY(Core::take_over_socket_from_system_server());
+    return IPC::new_client_connection<ConnectionFromClientType>(IPC::Transport(move(socket)));
+}
+
+}