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Move GC.verify_compaction_references [Bug #18779]

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Define `GC.verify_compaction_references` as a built-in ruby method,
according to GC compaction support via `GC::OPTS`.
This commit is contained in:
Nobuyoshi Nakada 2022-06-02 15:32:00 +09:00
parent dfc8060756
commit b96a3a6fd2
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Notes: git 2022-06-02 18:24:31 +09:00
3 changed files with 29 additions and 48 deletions
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20
gc.rb
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@ -232,6 +232,26 @@ module GC
Primitive.gc_latest_gc_info hash_or_key
end
if respond_to?(:compact)
# call-seq:
# GC.verify_compaction_references(toward: nil, double_heap: false) -> hash
#
# Verify compaction reference consistency.
#
# This method is implementation specific. During compaction, objects that
# were moved are replaced with T_MOVED objects. No object should have a
# reference to a T_MOVED object after compaction.
#
# This function doubles the heap to ensure room to move all objects,
# compacts the heap to make sure everything moves, updates all references,
# then performs a full GC. If any object contains a reference to a T_MOVED
# object, that object should be pushed on the mark stack, and will
# make a SEGV.
def self.verify_compaction_references(toward: nil, double_heap: false)
Primitive.gc_verify_compaction_references(double_heap, toward == :empty)
end
end
# call-seq:
# GC.using_rvargc? -> true or false
#