chore: Moved threading classes into Threading subdirectory

ICD.Common.Utils/Threading/SafeCriticalSection.Standard.cs

@@ -0,0 +1,31 @@
+#if !SIMPLSHARP
+using System.Threading;
+
+namespace ICD.Common.Utils
+{
+	public sealed partial class SafeCriticalSection
+	{
+		#region Methods
+
+		/// <summary>
+		/// Block until ownership of the critical section can be obtained.
+		/// </summary>
+		public void Enter()
+		{
+			Monitor.Enter(this);
+		}
+
+		/// <summary>
+		/// Release ownership of the critical section.
+		/// </summary>
+		public void Leave()
+		{
+			if (Monitor.IsEntered(this))
+				Monitor.Exit(this);
+		}
+
+		#endregion
+	}
+}
+
+#endif