Moving corlib files out of "System" directory into root

BeefLibs/corlib/src/Threading/Volatile.bf

@@ -0,0 +1,58 @@
+namespace System.Threading
+{
+	static class Volatile
+	{
+		//static volatile int32 gAtomicIdx;
+
+		public static T Read<T>(ref T location)
+		{
+			T value = location;
+			Interlocked.Fence();
+			return value;
+		}
+
+		public static void Write<T>(ref T location, T value)
+		{
+			Interlocked.Fence();
+			location = value;
+		}
+
+		/*public static void MoveAtomic(void* dest, void* src, int size)
+		{
+			while (true)
+			{
+				int startAtomicIdx = gAtomicIdx;
+				Thread.MemoryBarrier();
+				Internal.MemCpy(dest, src, size);
+				Thread.MemoryBarrier();
+				int endAtomicIdx = Interlocked.Increment(ref gAtomicIdx);
+				if (endAtomicIdx == startAtomicIdx)
+					break;
+			}
+		}
+
+		public static T ReadAtomic<T>(ref T location)
+		{
+			if (sizeof(T) > sizeof(int))
+			{
+				if (sizeof(T) == sizeof(int64)) 
+				{
+					// Handle 64-bit values on 32-bit machines
+					var location;
+					int64 result = Interlocked.CompareExchange(ref *(int64*)&location, 0, 0);
+					return *(T*)&result;
+				}
+
+				var location;
+				T value = ?;
+				MoveAtomic(&value, &location, sizeof(T));
+				Thread.MemoryBarrier();
+				return value;
+			}
+
+			T value = location;
+			Thread.MemoryBarrier();
+			return value;
+		}*/
+	}
+}