diff options
Diffstat (limited to 'third_party/rust/tokio/src/runtime/blocking/schedule.rs')
-rw-r--r-- | third_party/rust/tokio/src/runtime/blocking/schedule.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/third_party/rust/tokio/src/runtime/blocking/schedule.rs b/third_party/rust/tokio/src/runtime/blocking/schedule.rs new file mode 100644 index 0000000000..54252241d9 --- /dev/null +++ b/third_party/rust/tokio/src/runtime/blocking/schedule.rs @@ -0,0 +1,19 @@ +use crate::runtime::task::{self, Task}; + +/// `task::Schedule` implementation that does nothing. This is unique to the +/// blocking scheduler as tasks scheduled are not really futures but blocking +/// operations. +/// +/// We avoid storing the task by forgetting it in `bind` and re-materializing it +/// in `release. +pub(crate) struct NoopSchedule; + +impl task::Schedule for NoopSchedule { + fn release(&self, _task: &Task<Self>) -> Option<Task<Self>> { + None + } + + fn schedule(&self, _task: task::Notified<Self>) { + unreachable!(); + } +} |