Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibCore/LocalServer.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibCore/EventReceiver.h>
+#include <LibCore/Notifier.h>
+
+namespace Core {
+
+class LocalServer : public EventReceiver {
+    C_OBJECT(LocalServer)
+public:
+    virtual ~LocalServer() override;
+
+    ErrorOr<void> take_over_from_system_server(ByteString const& path = ByteString());
+    ErrorOr<void> take_over_fd(int socket_fd);
+    bool is_listening() const { return m_listening; }
+    bool listen(ByteString const& address);
+
+    ErrorOr<NonnullOwnPtr<LocalSocket>> accept();
+
+    Function<void(NonnullOwnPtr<LocalSocket>)> on_accept;
+    Function<void(Error)> on_accept_error;
+
+private:
+    explicit LocalServer(EventReceiver* parent = nullptr);
+
+    void setup_notifier();
+
+    int m_fd { -1 };
+    bool m_listening { false };
+    RefPtr<Notifier> m_notifier;
+};
+
+}