1 files changed, 28 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.GAL/Multithreading/ThreadedHelpers.cs b/Ryujinx.Graphics.GAL/Multithreading/ThreadedHelpers.cs
new file mode 100644
index 00000000..7ddb19e6
--- /dev/null
+++ b/Ryujinx.Graphics.GAL/Multithreading/ThreadedHelpers.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Threading;
+
+namespace Ryujinx.Graphics.GAL.Multithreading
+{
+    static class ThreadedHelpers
+    {
+        public static void SpinUntilNonNull<T>(ref T obj) where T : class
+        {
+            Span<SpinWait> spinWait = stackalloc SpinWait[1];
+
+            while (obj == null)
+            {
+                spinWait[0].SpinOnce(-1);
+            }
+        }
+
+        public static void SpinUntilExchange(ref int target, int value, int comparand)
+        {
+            Span<SpinWait> spinWait = stackalloc SpinWait[1];
+
+            while (Interlocked.CompareExchange(ref target, value, comparand) != comparand)
+            {
+                spinWait[0].SpinOnce(-1);
+            }
+        }
+    }
+}