pub(crate) struct Config { /// How many ticks before pulling a task from the global/remote queue? pub(crate) global_queue_interval: Option<u32>,
/// How many ticks before yielding to the driver for timer and I/O events? pub(crate) event_interval: u32,
/// Callback for a worker parking itself pub(crate) before_park: Option<Callback>,
/// Callback for a worker unparking itself pub(crate) after_unpark: Option<Callback>,
/// To run before each task is spawned. pub(crate) before_spawn: Option<TaskCallback>,
/// To run after each task is terminated. pub(crate) after_termination: Option<TaskCallback>,
/// To run before each poll #[cfg(tokio_unstable)] pub(crate) before_poll: Option<TaskCallback>,
/// To run after each poll #[cfg(tokio_unstable)] pub(crate) after_poll: Option<TaskCallback>,
/// The multi-threaded scheduler includes a per-worker LIFO slot used to /// store the last scheduled task. This can improve certain usage patterns, /// especially message passing between tasks. However, this LIFO slot is not /// currently stealable. /// /// Eventually, the LIFO slot **will** become stealable, however as a /// stop-gap, this unstable option lets users disable the LIFO task. pub(crate) disable_lifo_slot: bool,
/// Random number generator seed to configure runtimes to act in a /// deterministic way. pub(crate) seed_generator: RngSeedGenerator,
/// How to build poll time histograms pub(crate) metrics_poll_count_histogram: Option<crate::runtime::HistogramBuilder>,
#[cfg(tokio_unstable)] /// How to respond to unhandled task panics. pub(crate) unhandled_panic: crate::runtime::UnhandledPanic,
/// If `true`, an idle worker is woken whenever a worker thread transitions /// from polling the I/O driver to polling its own tasks (requires /// `tokio_unstable`). pub(crate) enable_eager_driver_handoff: bool,
}
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