diff options
| author | jrmoulton <[email protected]> | 2025-06-10 15:47:54 -0600 |
|---|---|---|
| committer | jrmoulton <[email protected]> | 2025-06-10 15:48:36 -0600 |
| commit | cfad9798ff99d4de0571a512d156b5fe1ef1d427 (patch) | |
| tree | fc3bf670f82d139de19466cddad1e909db7f3d2e /embassy-executor/src/raw/run_queue_critical_section.rs | |
| parent | fc342915e6155dec7bafa3e135da7f37a9a07f5c (diff) | |
| parent | 6186d111a5c150946ee5b7e9e68d987a38c1a463 (diff) | |
merge new embassy changes
Diffstat (limited to 'embassy-executor/src/raw/run_queue_critical_section.rs')
| -rw-r--r-- | embassy-executor/src/raw/run_queue_critical_section.rs | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/embassy-executor/src/raw/run_queue_critical_section.rs b/embassy-executor/src/raw/run_queue_critical_section.rs index ba59c8f29..86c4085ed 100644 --- a/embassy-executor/src/raw/run_queue_critical_section.rs +++ b/embassy-executor/src/raw/run_queue_critical_section.rs | |||
| @@ -44,13 +44,11 @@ impl RunQueue { | |||
| 44 | /// | 44 | /// |
| 45 | /// `item` must NOT be already enqueued in any queue. | 45 | /// `item` must NOT be already enqueued in any queue. |
| 46 | #[inline(always)] | 46 | #[inline(always)] |
| 47 | pub(crate) unsafe fn enqueue(&self, task: TaskRef) -> bool { | 47 | pub(crate) unsafe fn enqueue(&self, task: TaskRef, cs: CriticalSection<'_>) -> bool { |
| 48 | critical_section::with(|cs| { | 48 | let prev = self.head.borrow(cs).replace(Some(task)); |
| 49 | let prev = self.head.borrow(cs).replace(Some(task)); | 49 | task.header().run_queue_item.next.borrow(cs).set(prev); |
| 50 | task.header().run_queue_item.next.borrow(cs).set(prev); | ||
| 51 | 50 | ||
| 52 | prev.is_none() | 51 | prev.is_none() |
| 53 | }) | ||
| 54 | } | 52 | } |
| 55 | 53 | ||
| 56 | /// Empty the queue, then call `on_task` for each task that was in the queue. | 54 | /// Empty the queue, then call `on_task` for each task that was in the queue. |
| @@ -65,9 +63,10 @@ impl RunQueue { | |||
| 65 | // If the task re-enqueues itself, the `next` pointer will get overwritten. | 63 | // If the task re-enqueues itself, the `next` pointer will get overwritten. |
| 66 | // Therefore, first read the next pointer, and only then process the task. | 64 | // Therefore, first read the next pointer, and only then process the task. |
| 67 | 65 | ||
| 68 | // safety: we know if the task is enqueued, no one else will touch the `next` pointer. | 66 | critical_section::with(|cs| { |
| 69 | let cs = unsafe { CriticalSection::new() }; | 67 | next = task.header().run_queue_item.next.borrow(cs).get(); |
| 70 | next = task.header().run_queue_item.next.borrow(cs).get(); | 68 | task.header().state.run_dequeue(cs); |
| 69 | }); | ||
| 71 | 70 | ||
| 72 | on_task(task); | 71 | on_task(task); |
| 73 | } | 72 | } |
