Merge pull request #5047 from Gerharddc/executor-cancel

Add `run_until` function to std Executor as to support grafeul shutdown.

2 files changed, 15 insertions, 1 deletions

diff --git a/embassy-executor/CHANGELOG.md b/embassy-executor/CHANGELOG.md
index 5fbb8cf13..8f1db7de7 100644
--- a/embassy-executor/CHANGELOG.md
+++ b/embassy-executor/CHANGELOG.md
@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added optional "earliest deadline first" EDF scheduling
 - Migrate `cortex-ar` to `aarch32-cpu`. The feature name `arch-cortex-ar` remains the same and
   legacy ARM architectures are not supported.
+- Added `run_until` to `arch-std` variant of `Executor`.
 
 ## 0.9.1 - 2025-08-31
 
diff --git a/embassy-executor/src/arch/std.rs b/embassy-executor/src/arch/std.rs
index c62ab723b..d4057144e 100644
--- a/embassy-executor/src/arch/std.rs
+++ b/embassy-executor/src/arch/std.rs
@@ -55,11 +55,24 @@ mod thread {
         ///
         /// This function never returns.
         pub fn run(&'static mut self, init: impl FnOnce(Spawner)) -> ! {
+            self.run_until(init, || false);
+            unreachable!()
+        }
+
+        /// Run the executor until a flag is raised.
+        ///
+        /// This function is identical to `Executor::run()` apart from offering a `done` flag to stop execution.
+        pub fn run_until(&'static mut self, init: impl FnOnce(Spawner), mut done: impl FnMut() -> bool) {
             init(self.inner.spawner());
 
             loop {
                 unsafe { self.inner.poll() };
-                self.signaler.wait()
+
+                if done() {
+                    break;
+                }
+
+                self.signaler.wait();
             }
         }
     }