with-callback ( alien quot -- )

Vocabulary

alien

Inputs

alien	an alien
quot	a quotation

Outputs

None

Word description

Calls the quotation with an alien value on the stack which is supposed to be a callback. Resources for the callback is guaranteed to be released afterwards.

See also

<callback>, free-callback, unregister-and-free-callback

Definition

USING: continuations kernel ;

IN: alien

: with-callback ( alien quot -- )
    over [ unregister-and-free-callback ] curry finally ; inline