diff --git a/embassy-sync/src/pubsub/publisher.rs b/embassy-sync/src/pubsub/publisher.rs index faa67d947..e1edc9eb9 100644 --- a/embassy-sync/src/pubsub/publisher.rs +++ b/embassy-sync/src/pubsub/publisher.rs @@ -123,6 +123,14 @@ impl<'a, PSB: PubSubBehavior + ?Sized, T: Clone> ImmediatePub<'a, PSB, T> { pub fn try_publish(&self, message: T) -> Result<(), T> { self.channel.publish_with_context(message, None) } + + /// The amount of messages that can still be published without having to wait or without having to lag the subscribers + /// + /// *Note: In the time between checking this and a publish action, other publishers may have had time to publish something. + /// So checking doesn't give any guarantees.* + pub fn space(&self) -> usize { + self.channel.space() + } } /// An immediate publisher that holds a dynamic reference to the channel