From cb2712cbf4ff72a2f2395bf912e177ea26a7322f Mon Sep 17 00:00:00 2001
From: Ry <ryanst755@gmail.com>
Date: Fri, 11 Mar 2022 11:52:05 -0800
Subject: [PATCH] fox32: Exit on CPU halt

---
 src/main.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 079ff7d..660f438 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -169,7 +169,13 @@ fn main() {
 
             let mut shared_memory_lock = shared_memory.lock().expect("failed to lock the shared memory mutex");
             //shared_memory_lock[0x01FFFFFF] = shared_memory_lock[0x01FFFFFF].overflowing_add(1).0; // increment vsync counter
-            let _ = interrupt_sender.send(Interrupt::Request(0xFF)); // vsync interrupt
+            match interrupt_sender.send(Interrupt::Request(0xFF)) { // vsync interrupt
+                Ok(_) => {},
+                Err(_) => {
+                    *control_flow = ControlFlow::Exit;
+                    return;
+                }
+            };
             display.update(&mut *shared_memory_lock);
             drop(shared_memory_lock);
             window.request_redraw();