Enum TokioConfig 

pub enum TokioConfig {
    Owned {
        worker_threads: Option<usize>,
        thread_keep_alive: Duration,
        thread_name: &'static str,
    },
    ExistingHandle(Handle),
}

Configuration for the tokio runtime.

Variants

Owned

Build and own a new tokio runtime.

Fields

worker_threads: Option<usize>

Number of worker threads. If None, uses tokio’s default (number of CPU cores).

thread_keep_alive: Duration

How long to keep worker threads alive when idle.

thread_name: &'static str

Thread name prefix.

ExistingHandle(Handle)

Attach to an existing tokio runtime handle.

Implementations

impl TokioConfig

pub const fn existing_handle(handle: Handle) -> Self

Create a config that attaches to an existing runtime handle.

pub const fn with_worker_threads(worker_threads: usize) -> Self

Create a config for an owned runtime with the specified number of worker threads.

Trait Implementations

impl Clone for TokioConfig

fn clone(&self) -> TokioConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TokioConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TokioConfig

fn default() -> Self

Returns the “default value” for a type.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes

Size for each variant:

• Owned: 48 bytes
• ExistingHandle: 24 bytes