Struct TaskGroup 

pub struct TaskGroup { /* private fields */ }

A set of SpawnedTasks shut down together.

Each task owns its own cancellation token; shutdown cancels all of them, then drains each within a per-task grace period, aborting stragglers so a single wedged task cannot stall teardown.

Implementations

impl TaskGroup

pub const fn new() -> Self

Create an empty group.

pub fn push(&mut self, task: SpawnedTask)

Add a task to the group.

pub const fn len(&self) -> usize

Number of tasks currently owned.

pub const fn is_empty(&self) -> bool

Whether the group owns no tasks.

pub fn cancel_all(&self)

Cancel every task without waiting.

pub async fn shutdown(&mut self, grace: Duration)

Cancel and drain every task, each within grace, aborting stragglers.

Trait Implementations

impl Debug for TaskGroup

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

Formats the value using the given formatter.

impl Default for TaskGroup

fn default() -> TaskGroup

Returns the “default value” for a type.