flatten 20260225

tjp/core/runnable/Runnable.h

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+// TJP COPYRIGHT HEADER
+
+#pragma once
+
+namespace tjp::core {
+
+struct Endable;
+
+} // namespace

tjp/core/runnable/Runnable.hpp

@@ -0,0 +1,78 @@
+// TJP COPYRIGHT HEADER
+
+#pragma once
+
+#include "Runnable.h"
+
+#include <tjp/core/ptr/Ptr.hpp>
+#include <tjp/core/future/Future.hpp>
+#include <tjp/core/containers/Optional.hpp>
+
+#include <tjp/core/future/Future.h>
+
+namespace tjp::core {
+
+struct Endable;
+
+struct Runnable : StrongThis<Runnable>
+{
+	using End = Function<void(Runnable &)>;
+	
+	Runnable(End &&end) :
+		end_(std::move(end))
+	{}
+
+	Function<void(Runnable &)> end_;
+
+	bool end = false;
+	Promise<int> ended;
+	
+	Endable getEndable();
+} ;
+
+struct Endable
+{
+	StrongPtr<Runnable> runnable;
+	bool endOnDestruct_ = false;
+	
+	~Endable()
+	{
+		if (endOnDestruct_)
+		{
+			end();
+			get_future().wait();
+		}
+	}
+	
+	void endOnDestruct()
+	{
+		endOnDestruct_ = true;
+	}
+	
+	void end()
+	{
+		runnable->end = true;
+		
+		if (runnable->end_)
+		{
+			runnable->end_(*runnable);
+			runnable->end_ = {};
+		}
+	}
+
+	Future<int> get_future()
+	{
+		return runnable->ended.get_future();
+	}
+} ;
+
+inline
+Endable Runnable::getEndable()
+{
+	return Endable {
+		strong_this(this)
+	};
+}
+
+
+} // namespace