gc-info

Vocabulary

vm

Class description

A struct that defines the sizes of the garbage collection maps for a word. It has the following slots:

gc-root-count	Number of gc root bits per callsite.
derived-root-count	Number of derived roots per callsite.
return-address-count	Number of gc callsites.

Definition

USING: alien.c-types classes.struct ;

IN: vm

STRUCT: gc-info
    { gc-root-count uint read-only initial: 0 }
    { derived-root-count uint read-only initial: 0 }
    { return-address-count uint read-only initial: 0 } ;

Methods

USING: classes.struct classes.struct.private kernel vm ;

M: gc-info clone clone-underlying \ gc-info memory>struct ;
    inline


USING: accessors classes.struct combinators combinators.smart vm
;

M: gc-info struct-slot-values
    [
        {
            [ gc-root-count>> ]
            [ derived-root-count>> ]
            [ return-address-count>> ]
        } cleave
    ] output>array ; inline