From c33f74dabef9793f7847df2c15958d4243755f98 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Sat, 15 Sep 2018 15:24:31 +0000
Subject: [PATCH] firmware: derive Clone for Mutex.

---
 artiq/firmware/runtime/sched.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/artiq/firmware/runtime/sched.rs b/artiq/firmware/runtime/sched.rs
index 4c027e895..770ac3f6c 100644
--- a/artiq/firmware/runtime/sched.rs
+++ b/artiq/firmware/runtime/sched.rs
@@ -265,6 +265,7 @@ impl<'a> Io<'a> {
     }
 }
 
+#[derive(Clone)]
 pub struct Mutex(Urc<Cell<bool>>);
 
 impl Mutex {