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LibJS: Use IntrusiveList for keeping track of HandleImpls

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This allows us to remove a HashTable from heap and cuts down on
some of the malloc traffic when creating handles.
This commit is contained in:
Andreas Kling 2021-07-21 19:45:21 +02:00
parent 8ea029405f
commit 746b310061
3 changed files with 15 additions and 7 deletions
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12
Userland/Libraries/LibJS/Heap/Heap.cpp
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@ -91,8 +91,8 @@ void Heap::gather_roots(HashTable<Cell*>& roots)
vm().gather_roots(roots);
gather_conservative_roots(roots);
for (auto* handle : m_handles)
roots.set(handle->cell());
for (auto& handle : m_handles)
roots.set(handle.cell());
for (auto* list : m_marked_value_lists) {
for (auto& value : list->values()) {
@ -258,14 +258,14 @@ void Heap::sweep_dead_cells(bool print_report, const Core::ElapsedTimer& measure
void Heap::did_create_handle(Badge<HandleImpl>, HandleImpl& impl)
{
VERIFY(!m_handles.contains(&impl));
m_handles.set(&impl);
VERIFY(!m_handles.contains(impl));
m_handles.append(impl);
}
void Heap::did_destroy_handle(Badge<HandleImpl>, HandleImpl& impl)
{
VERIFY(m_handles.contains(&impl));
m_handles.remove(&impl);
VERIFY(m_handles.contains(impl));
m_handles.remove(impl);
}
void Heap::did_create_marked_value_list(Badge<MarkedValueList>, MarkedValueList& list)