From d06e1c41f83ca3ede4937c13536d1c1edfd86b37 Mon Sep 17 00:00:00 2001
From: AAAAAAAAAAAAAAAAAAAAAAAAAAAA <AAAAA@AAAAA.AAAAA>
Date: Sun, 18 Jan 2026 21:21:14 +0200
Subject: [PATCH] feat(tui): use thread builder

---
 tui/src/tui_engine/tui_output.rs | 47 ++++++++++++++++----------------
 1 file changed, 24 insertions(+), 23 deletions(-)

diff --git a/tui/src/tui_engine/tui_output.rs b/tui/src/tui_engine/tui_output.rs
index f764092..de32046 100644
--- a/tui/src/tui_engine/tui_output.rs
+++ b/tui/src/tui_engine/tui_output.rs
@@ -33,35 +33,36 @@ impl TuiOut {
         engine: &Arc<RwLock<Tui>>,
         state:  &Arc<RwLock<T>>,
         timer:  Duration
-    ) -> JoinHandle<()> {
+    ) -> Result<JoinHandle<()>, std::io::Error> {
         let exited = engine.read().unwrap().exited.clone();
         let engine = engine.clone();
         let state  = state.clone();
         let Size { width, height } = engine.read().unwrap().backend.size().expect("get size failed");
         let mut buffer = Buffer::empty(Rect { x: 0, y: 0, width, height });
-        spawn(move || loop {
-            if exited.fetch_and(true, Relaxed) {
-                break
-            }
-            //let t0 = engine.read().unwrap().perf.get_t0();
-            let Size { width, height } = engine.read().unwrap().backend.size()
-                .expect("get size failed");
-            if let Ok(state) = state.try_read() {
-                let size = Rect { x: 0, y: 0, width, height };
-                if buffer.area != size {
-                    engine.write().unwrap().backend.clear_region(ClearType::All)
-                        .expect("clear failed");
-                    buffer.resize(size);
-                    buffer.reset();
+        std::thread::Builder::new()
+            .name("tui output thread".into())
+            .spawn(move || loop {
+                if exited.fetch_and(true, Relaxed) {
+                    break
                 }
-                let mut output = TuiOut { buffer, area: [0, 0, width, height] };
-                state.draw(&mut output);
-                buffer = engine.write().unwrap().flip(output.buffer, size);
-            }
-            //let t1 = engine.read().unwrap().perf.get_t1(t0).unwrap();
-            //buffer.set_string(0, 0, &format!("{:>3}.{:>3}ms", t1.as_millis(), t1.as_micros() % 1000), Style::default());
-            std::thread::sleep(timer);
-        })
+                let t0 = engine.read().unwrap().perf.get_t0();
+                let Size { width, height } = engine.read().unwrap().backend.size()
+                    .expect("get size failed");
+                if let Ok(state) = state.try_read() {
+                    let size = Rect { x: 0, y: 0, width, height };
+                    if buffer.area != size {
+                        engine.write().unwrap().backend.clear_region(ClearType::All).expect("clear failed");
+                        buffer.resize(size);
+                        buffer.reset();
+                    }
+                    let mut output = TuiOut { buffer, area: [0, 0, width, height] };
+                    state.draw(&mut output);
+                    buffer = engine.write().unwrap().flip(output.buffer, size);
+                }
+                let t1 = engine.read().unwrap().perf.get_t1(t0).unwrap();
+                buffer.set_string(0, 0, &format!("{:>3}.{:>3}ms", t1.as_millis(), t1.as_micros() % 1000), Style::default());
+                std::thread::sleep(timer);
+            })
     }
     #[inline]
     pub fn with_rect (&mut self, area: [u16;4]) -> &mut Self {