await-timeout ( count-down timeout -- )
Count-down latches

Prev:

await ( count-down -- )

Vocabulary
concurrency.count-downs

Inputs

count-down	a count-down
timeout	a duration or f

Outputs
None

Word description
Waits until the count-down value reaches zero or the timeout has expired.

Definition

USING: accessors concurrency.promises kernel threads ;

IN: concurrency.count-downs

: await-timeout ( count-down timeout -- )
    [ promise>> ] dip ?promise-timeout ?linked t assert= ;