bgad: handle EOF

bgad/src/main.rs

@@ -45,7 +45,9 @@ fn main() {
 
         loop {
             let mut packet = Packet::default();
-            socket.read(&mut packet).expect("bgad: failed to read events from bga scheme");
+            if socket.read(&mut packet).expect("bgad: failed to read events from bga scheme") == 0 {
+                break;
+            }
             scheme.handle(&mut packet);
             socket.write(&packet).expect("bgad: failed to write responses to bga scheme");
         }