Fix unsafe context compilation error in Thread.Interrupt

Copilot · jkotas · Copilot · commit e1028d59a548 · 2025-08-02T14:03:17.000Z
Co-authored-by: jkotas &lt;6668460+jkotas@users.noreply.github.com&gt;
diff --git a/src/coreclr/nativeaot/System.Private.CoreLib/src/System/Threading/Thread.NativeAot.Windows.cs b/src/coreclr/nativeaot/System.Private.CoreLib/src/System/Threading/Thread.NativeAot.Windows.cs
@@ -481,7 +481,11 @@ public void Interrupt()
                 SafeWaitHandle osHandle = _osHandle;
                 if (osHandle != null && !osHandle.IsInvalid && !osHandle.IsClosed)
                 {
-                    nint callbackPtr = (nint)(delegate* unmanaged<nint, void>)&InterruptApcCallback;
+                    nint callbackPtr;
+                    unsafe
+                    {
+                        callbackPtr = (nint)(delegate* unmanaged<nint, void>)&InterruptApcCallback;
+                    }
                     Interop.Kernel32.QueueUserAPC(callbackPtr, osHandle.DangerousGetHandle(), IntPtr.Zero);
                 }
             }

Original file line number	Diff line number	Diff line change
`@@ -481,7 +481,11 @@ public void Interrupt()`
`481`	`481`	`SafeWaitHandle osHandle = _osHandle;`
`482`	`482`	`if (osHandle != null && !osHandle.IsInvalid && !osHandle.IsClosed)`
`483`	`483`	`{`
`484`		`- nint callbackPtr = (nint)(delegate* unmanaged<nint, void>)&InterruptApcCallback;`
	`484`	`+ nint callbackPtr;`
	`485`	`+ unsafe`
	`486`	`+ {`
	`487`	`+ callbackPtr = (nint)(delegate* unmanaged<nint, void>)&InterruptApcCallback;`
	`488`	`+ }`
`485`	`489`	`Interop.Kernel32.QueueUserAPC(callbackPtr, osHandle.DangerousGetHandle(), IntPtr.Zero);`
`486`	`490`	`}`
`487`	`491`	`}`