From 17b9eb5f86fe35a0951d90752fd99ca2d63783cb Mon Sep 17 00:00:00 2001
From: Bob McWhirter <bmcwhirt@redhat.com>
Date: Mon, 15 Aug 2022 11:07:46 -0400
Subject: [PATCH 1/2] Update signal.rs

Allow `poll_wait` to be public so higher-order futures around Signal can be built.
---
 embassy-util/src/channel/signal.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/embassy-util/src/channel/signal.rs b/embassy-util/src/channel/signal.rs
index a58469c4f..ff53934e8 100644
--- a/embassy-util/src/channel/signal.rs
+++ b/embassy-util/src/channel/signal.rs
@@ -69,7 +69,7 @@ impl<T: Send> Signal<T> {
         })
     }
 
-    fn poll_wait(&self, cx: &mut Context<'_>) -> Poll<T> {
+    pub fn poll_wait(&self, cx: &mut Context<'_>) -> Poll<T> {
         critical_section::with(|_| unsafe {
             let state = &mut *self.state.get();
             match state {

From b273128990f1bab01925d10f221f0e2f8dab2590 Mon Sep 17 00:00:00 2001
From: Bob McWhirter <bmcwhirt@redhat.com>
Date: Mon, 15 Aug 2022 11:20:35 -0400
Subject: [PATCH 2/2] Add documentation to Signal::poll_wait(..).

---
 embassy-util/src/channel/signal.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/embassy-util/src/channel/signal.rs b/embassy-util/src/channel/signal.rs
index ff53934e8..05889f5a4 100644
--- a/embassy-util/src/channel/signal.rs
+++ b/embassy-util/src/channel/signal.rs
@@ -69,6 +69,7 @@ impl<T: Send> Signal<T> {
         })
     }
 
+    /// Manually poll the Signal future.
     pub fn poll_wait(&self, cx: &mut Context<'_>) -> Poll<T> {
         critical_section::with(|_| unsafe {
             let state = &mut *self.state.get();