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tjp/core/threads/ThreadSafe.hpp

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+// License: Modified MIT (NON-AI)
+// See the LICENSE file in the root directory for license information.
+// Copyright 2025 Timothy Prepscius
+
+#pragma once
+
+#include "Lock.h"
+
+namespace tjp::core {
+
+template<typename T, typename MutexType = Mutex>
+struct Accessor;
+
+template<typename T, typename MutexType = Mutex>
+struct ThreadSafe
+{
+	using A = Accessor<T, MutexType>;
+	using A_const = Accessor<const T, MutexType>;
+	
+	T v;
+	mutable MutexType mutex;
+	
+	A access ()
+	{
+		return A { &v, &mutex };
+	}
+
+	A_const access () const
+	{
+		return A_const { &v, &mutex };
+	}
+	
+	template<typename F>
+	auto with(F &&f)
+	{
+		auto lk = lock_of(mutex);
+		return f(v);
+	}
+} ;
+
+template<typename T, typename MutexType>
+struct Accessor
+{
+	using V = ThreadSafe<T, MutexType>;
+	T *v;
+	typename MutexType::Lock lock;
+	
+	Accessor(T *v_, MutexType *m) :
+		v(v_),
+		lock(*m)
+	{
+	}
+
+	T *operator ->()
+	{
+		return v;
+	}
+	
+	T &operator *()
+	{
+		return *v;
+	}
+} ;
+
+} // namespace