std​::rt​::task

Structs

BlockedTasksDeathGarbageCollectorLocalStorageTaskTaskOpts

Enum std::rt::task::BlockedTask[src]

pub enum BlockedTask {
    Owned(Box<Task>),
    Shared(Arc<AtomicUint>),
}

A handle to a blocked task. Usually this means having the Box pointer by ownership, but if the task is killable, a killer can steal it at any time.

Variants

Owned
Shared

Methods

impl BlockedTask

fn wake(self) -> Option<Box<Task>>

Returns Some if the task was successfully woken; None if already killed.

fn reawaken(self)

Reawakens this task if ownership is acquired. If finer-grained control is desired, use wake instead.

fn trash(self)

fn block(task: Box<Task>) -> BlockedTask

Create a blocked task, unless the task was already killed.

fn make_selectable(self, num_handles: uint) -> Take<BlockedTasks>

Converts one blocked task handle to a list of many handles to the same.

unsafe fn cast_to_uint(self) -> uint

Convert to an unsafe uint value. Useful for storing in a pipe's state flag.

unsafe fn cast_from_uint(blocked_task_ptr: uint) -> BlockedTask

Convert from an unsafe uint value. Useful for retrieving a pipe's state flag.