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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_HEAP_MARKING_WORKLIST_INL_H_
#define V8_HEAP_MARKING_WORKLIST_INL_H_
#include <unordered_map>
#include <vector>
#include "src/heap/marking-worklist.h"
namespace v8 {
namespace internal {
template <typename Callback>
void MarkingWorklists::Update(Callback callback) {
shared_.Update(callback);
on_hold_.Update(callback);
embedder_.Update(callback);
other_.Update(callback);
for (auto cw : context_worklists_) {
if (cw.context == kSharedContext || cw.context == kOtherContext) {
// These contexts were updated above.
continue;
}
cw.worklist->Update(callback);
}
}
void MarkingWorklists::Local::Push(HeapObject object) { active_.Push(object); }
bool MarkingWorklists::Local::Pop(HeapObject* object) {
if (active_.Pop(object)) return true;
if (!is_per_context_mode_) return false;
// The active worklist is empty. Find any other non-empty worklist and
// switch the active worklist to it.
return PopContext(object);
}
void MarkingWorklists::Local::PushOnHold(HeapObject object) {
on_hold_.Push(object);
}
bool MarkingWorklists::Local::PopOnHold(HeapObject* object) {
return on_hold_.Pop(object);
}
void MarkingWorklists::Local::PushEmbedder(HeapObject object) {
embedder_.Push(object);
}
bool MarkingWorklists::Local::PopEmbedder(HeapObject* object) {
return embedder_.Pop(object);
}
Address MarkingWorklists::Local::SwitchToContext(Address context) {
if (context == active_context_) return context;
return SwitchToContextSlow(context);
}
Address MarkingWorklists::Local::SwitchToShared() {
return SwitchToContext(kSharedContext);
}
void MarkingWorklists::Local::SwitchToContext(
Address context, MarkingWorklist::Local* worklist) {
// Save the current worklist.
*active_owner_ = std::move(active_);
// Switch to the new worklist.
active_owner_ = worklist;
active_ = std::move(*worklist);
active_context_ = context;
}
} // namespace internal
} // namespace v8
#endif // V8_HEAP_MARKING_WORKLIST_INL_H_
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