From 609f14b1e4f169eb639025a5edefbb64afebf816 Mon Sep 17 00:00:00 2001
From: Nils Fitinghoff <nils.fitinghoff@mobilaris.se>
Date: Tue, 22 Aug 2023 17:42:52 +0200
Subject: ritc-sync: Fix make_channel forcing dependency into user crate

Before, `make_channel` assumed that `critical_section` would be
available in the namespace of the code that invoked the macro. Access
`critical_section` through `rtic-sync` instead.
---
 rtic-sync/src/channel.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'rtic-sync/src')

diff --git a/rtic-sync/src/channel.rs b/rtic-sync/src/channel.rs
index 06a6639..61ae7e2 100644
--- a/rtic-sync/src/channel.rs
+++ b/rtic-sync/src/channel.rs
@@ -9,6 +9,8 @@ use core::{
     sync::atomic::{fence, Ordering},
     task::{Poll, Waker},
 };
+#[doc(hidden)]
+pub use critical_section;
 use heapless::Deque;
 use rtic_common::waker_registration::CriticalSectionWakerRegistration as WakerRegistration;
 use rtic_common::{
@@ -108,7 +110,7 @@ macro_rules! make_channel {
 
         static CHECK: ::core::sync::atomic::AtomicU8 = ::core::sync::atomic::AtomicU8::new(0);
 
-        critical_section::with(|_| {
+        $crate::channel::critical_section::with(|_| {
             if CHECK.load(::core::sync::atomic::Ordering::Relaxed) != 0 {
                 panic!("call to the same `make_channel` instance twice");
             }
-- 
cgit v1.2.3