From f963828ad748a9ede034bdd807b0fcd0d3827696 Mon Sep 17 00:00:00 2001
From: Mads Marquart <mads@marquart.dk>
Date: Sat, 14 Oct 2023 00:06:32 +0200
Subject: [PATCH] Document that Apple handles are main thread only

---
 src/appkit.rs | 3 +++
 src/uikit.rs  | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/appkit.rs b/src/appkit.rs
index 3b05810..cad1f2a 100644
--- a/src/appkit.rs
+++ b/src/appkit.rs
@@ -22,6 +22,9 @@ impl AppKitDisplayHandle {
 }
 
 /// Raw window handle for AppKit.
+///
+/// Note that this struct is `!Send` and `!Sync`, so any valid instance of
+/// this must only exist on the main thread.
 #[non_exhaustive]
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct AppKitWindowHandle {
diff --git a/src/uikit.rs b/src/uikit.rs
index 1f4895e..fe48758 100644
--- a/src/uikit.rs
+++ b/src/uikit.rs
@@ -22,6 +22,9 @@ impl UiKitDisplayHandle {
 }
 
 /// Raw window handle for UIKit.
+///
+/// Note that this struct is `!Send` and `!Sync`, so any valid instance of
+/// this must only exist on the main thread.
 #[non_exhaustive]
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct UiKitWindowHandle {