fix: sleep in async executor when there are no futures left to poll

pros/src/async_runtime/executor.rs

@@ -4,13 +4,14 @@ use core::{
     pin::Pin,
     sync::atomic::{AtomicBool, Ordering},
     task::{Context, Poll},
+    time::Duration,
 };
 
 use alloc::{collections::VecDeque, sync::Arc};
 use async_task::{Runnable, Task};
 use waker_fn::waker_fn;
 
-use crate::os_task_local;
+use crate::{os_task_local, task::delay};
 
 use super::reactor::Reactor;
 
@@ -79,17 +80,13 @@ impl Executor {
                 if let Poll::Ready(output) = Pin::new(&mut task).poll(&mut cx) {
                     return output;
                 }
+                self.tick();
+                // there might be another future to poll, so we continue without sleeping
+                continue;
             }
 
+            delay(Duration::from_millis(10));
             self.tick();
         }
     }
-
-    pub fn complete(&self) {
-        loop {
-            if !self.tick() {
-                break;
-            }
-        }
-    }
 }

pros/src/async_runtime/mod.rs

@@ -22,11 +22,3 @@ pub fn spawn<T>(future: impl Future<Output = T> + 'static) -> Task<T> {
 pub fn block_on<F: Future + 'static>(future: F) -> F::Output {
     executor::EXECUTOR.with(|e| e.block_on(spawn(future)))
 }
-
-/// Completes all tasks.
-/// Return values can be extracted from the futures by awaiting any [`Task`]s you have not detached.
-pub fn complete_all() {
-    executor::EXECUTOR.with(|e| {
-        e.complete();
-    })
-}

pros/src/lib.rs

@@ -185,7 +185,6 @@ macro_rules! __gen_async_exports {
                     .expect("Expected initialize to run before opcontrol")
             }))
             .unwrap();
-            $crate::async_runtime::complete_all();
         }
 
         #[doc(hidden)]
@@ -197,7 +196,6 @@ macro_rules! __gen_async_exports {
                     .expect("Expected initialize to run before auto")
             }))
             .unwrap();
-            $crate::async_runtime::complete_all();
         }
 
         #[doc(hidden)]
@@ -209,7 +207,6 @@ macro_rules! __gen_async_exports {
                     .expect("Expected initialize to run before disabled")
             }))
             .unwrap();
-            $crate::async_runtime::complete_all();
         }
 
         #[doc(hidden)]
@@ -221,7 +218,6 @@ macro_rules! __gen_async_exports {
                     .expect("Expected initialize to run before comp_init")
             }))
             .unwrap();
-            $crate::async_runtime::complete_all();
         }
     };
 }