1 files changed, 60 insertions, 0 deletions
diff --git a/modules/mono/glue/Managed/Files/SignalAwaiter.cs b/modules/mono/glue/Managed/Files/SignalAwaiter.cs
new file mode 100644
index 0000000000..9483b6ffb4
--- /dev/null
+++ b/modules/mono/glue/Managed/Files/SignalAwaiter.cs
@@ -0,0 +1,60 @@
+using System;
+using System.Runtime.CompilerServices;
+
+namespace Godot
+{
+    public class SignalAwaiter : IAwaiter<object[]>, IAwaitable<object[]>
+    {
+        private bool completed;
+        private object[] result;
+        private Action action;
+
+        public SignalAwaiter(Object source, string signal, Object target)
+        {
+            godot_icall_SignalAwaiter_connect(Object.GetPtr(source), signal, Object.GetPtr(target), this);
+        }
+
+        [MethodImpl(MethodImplOptions.InternalCall)]
+        internal extern static Error godot_icall_SignalAwaiter_connect(IntPtr source, string signal, IntPtr target, SignalAwaiter awaiter);
+
+        public bool IsCompleted
+        {
+            get
+            {
+                return completed;
+            }
+        }
+
+        public void OnCompleted(Action action)
+        {
+            this.action = action;
+        }
+
+        public object[] GetResult()
+        {
+            return result;
+        }
+
+        public IAwaiter<object[]> GetAwaiter()
+        {
+            return this;
+        }
+
+        internal void SignalCallback(object[] args)
+        {
+            completed = true;
+            result = args;
+
+            if (action != null)
+            {
+                action();
+            }
+        }
+
+        internal void FailureCallback()
+        {
+            action = null;
+            completed = true;
+        }
+    }
+}