core: disable copying

src/core/thread/mpsc_queue.inl

@@ -26,6 +26,12 @@ struct MPSCQueue
 	{
 	}
 
+	///
+	MPSCQueue(const MPSCQueue &) = delete;
+
+	///
+	MPSCQueue &operator=(const MPSCQueue &) = delete;
+
 	///
 	bool push(const T &ev)
 	{

src/core/thread/spsc_queue.inl

@@ -39,6 +39,12 @@ struct SPSCQueue
 		_allocator->deallocate(_queue);
 	}
 
+	///
+	SPSCQueue(const SPSCQueue &) = delete;
+
+	///
+	SPSCQueue &operator=(const SPSCQueue &) = delete;
+
 	///
 	bool push(const T &ev)
 	{