First commit.

src/ShutdownClient.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <string>
+#include "JackServerSettings.hpp"
+
+namespace pipedal {
+
+class ShutdownClient {
+    static bool WriteMessage(const char*message);
+public:
+    static bool CanUseShutdownClient();
+    static bool RequestShutdown(bool restart);
+    static bool SetJackServerConfiguration(const JackServerSettings & jackServerSettings);
+};
+
+} // namespace