move child apwning to fiber class instead.

Author: vddCore

VirtualMachine/EVIL.Ceres/ExecutionEngine/Concurrency/Fiber.cs

@@ -423,6 +423,21 @@ public void SetOnNativeFunctionInvoke(NativeFunctionInvokeHandler? handler)
         OnNativeFunctionInvoke = handler;
     }
 
+    public Fiber SpawnChild(
+        bool immunized,
+        FiberCrashHandler? crashHandler = null,
+        Dictionary<string, ClosureContext>? closureContexts = null)
+    {
+        var fiber = VirtualMachine.Scheduler.CreateFiber(
+            immunized,
+            crashHandler,
+            closureContexts ?? _closureContexts
+        );
+
+        fiber.Parent = this;
+        return fiber;
+    }
+
     public DynamicValue ThrowFromNative(DynamicValue value)
     {
         lock (_callStack)

VirtualMachine/EVIL.Ceres/ExecutionEngine/Concurrency/FiberScheduler.cs

@@ -19,6 +19,8 @@ public sealed class FiberScheduler(
 
     public ConcurrentFiberCollection Fibers { get; } = new(initialCapacity);
 
+    public FiberCrashHandler DefaultCrashHandler => _defaultCrashHandler;
+
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private void ProcessFiber(Fiber fiber)
     {
@@ -90,7 +92,7 @@ public Fiber CreateFiber(
     {
         var fiber = new Fiber(
             vm,
-            crashHandler ?? _defaultCrashHandler,
+            crashHandler ?? DefaultCrashHandler,
             closureContexts
         );
 

VirtualMachine/EVIL.Ceres/ExecutionEngine/ExecutionUnit.cs

@@ -1196,15 +1196,15 @@ public void Step()
                     );
                 }
 
-                var awaitee = _fiber.VirtualMachine.Scheduler.CreateFiber(
+                var awaitee = _fiber.SpawnChild(
                     false, 
                     closureContexts: (Dictionary<string, ClosureContext>)frame.Fiber.ClosureContexts
                 );
-                awaitee.Parent = _fiber;
                 awaitee.Schedule(a.Chunk!, args);
                 awaitee.Resume();
-
+                
                 PushValue(awaitee);
+
                 _fiber.WaitFor(awaitee);
                 break;
             }