Finalization Registry

URI: https://gptkb.org/entity/Finalization_Registry

GPTKB entity

Statements (59)

Predicate	Object
gptkbp:instance_of	gptkb:class gptkb:voter_registration gptkb:API gptkb:item
gptkbp:associated_with	gptkb:Garbage_Collection gptkb:Weak_Ref
gptkbp:available_in	gptkb:Java_Script_ES2021
gptkbp:callback	gptkb:Finalization_Registry_Callback finalization Callback
gptkbp:callback_execution	After garbage collection
gptkbp:callback_execution_context	Global context
gptkbp:callback_execution_order	Non-deterministic
gptkbp:callback_execution_timing	Asynchronously after GC
gptkbp:callback_invocation	Once per key
gptkbp:callback_invocation_condition	When the object is collected
gptkbp:callback_parameter	gptkb:Key held value held Value
gptkbp:callback_type	gptkb:Mathematics
gptkbp:constructor	Finalization Registry() Finalization Registry(callback)
gptkbp:error_handling	No error on unregistering non-registered key
gptkbp:events	garbage collection
https://www.w3.org/2000/01/rdf-schema#label	Finalization Registry
gptkbp:introduced_in	gptkb:ECMAScript_2021
gptkbp:language	gptkb:Java_Script
gptkbp:memory_leak_prevention	Helps prevent memory leaks
gptkbp:orbital_period	gptkb:Key held Value
gptkbp:performance	Minimal overhead
gptkbp:purpose	Allows registration of a callback to be invoked after an object is garbage collected. To register a callback to be invoked after an object is garbage collected.
gptkbp:related_to	gptkb:Weak_Map gptkb:Weak_Set gptkb:Weak_Ref
gptkbp:technique	gptkb:voter_registration cleanup Some() register() unregister() cleanup Some unregister
gptkbp:usage	Memory management
gptkbp:use_case	Memory optimization Asynchronous resource management Custom finalization logic Deferred cleanup tasks Event handling after GC Finalization of objects Garbage collection notifications Resource cleanup Tracking object lifecycle Weak reference management Weak reference tracking
gptkbp:bfsParent	gptkb:ECMA-262 gptkb:ECMAScript_2015 gptkb:V8_engine gptkb:ECMAScript gptkb:ECMAScript_2022
gptkbp:bfsLayer	5