Added Pacore

Assets/Pacore/Runtime/Threading/ThreadEnforcer.cs

@@ -0,0 +1,44 @@
+using System.Runtime.CompilerServices;
+using System.Threading;
+using UnityEngine;
+using System;
+
+namespace PashaBibko.Pacore.Threading
+{
+    public static partial class ThreadSafe
+    {
+        private static SynchronizationContext MainThreadContext { get; set; }
+
+        public class IncorrectThreadException : Exception
+        {
+            public IncorrectThreadException(string message)
+                : base(message)
+            {
+            }
+        }
+
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterAssembliesLoaded)]
+        private static void CaptureMainThreadContext()
+        {
+            MainThreadContext = SynchronizationContext.Current;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void EnforceMainThread()
+        {
+            if (SynchronizationContext.Current != MainThreadContext)
+            {
+                throw new IncorrectThreadException("Main thread function was called on a background thread");
+            }
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void EnforceBackgroundThread()
+        {
+            if (SynchronizationContext.Current == MainThreadContext)
+            {
+                throw new IncorrectThreadException("Background thread function was called on the main thread");
+            }
+        }
+    }
+}