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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_CPPGC_PROCESS_HEAP_H_
#define V8_HEAP_CPPGC_PROCESS_HEAP_H_
#include <vector>
#include "src/base/macros.h"
#include "src/base/platform/mutex.h"
namespace cppgc {
namespace internal {
class HeapBase;
extern v8::base::LazyMutex g_process_mutex;
class V8_EXPORT_PRIVATE HeapRegistry final {
public:
using Storage = std::vector<HeapBase*>;
class Subscription final {
public:
inline explicit Subscription(HeapBase&);
inline ~Subscription();
private:
HeapBase& heap_;
};
static HeapBase* TryFromManagedPointer(const void* needle);
// Does not take the registry mutex and is thus only useful for testing.
static const Storage& GetRegisteredHeapsForTesting();
private:
static void RegisterHeap(HeapBase&);
static void UnregisterHeap(HeapBase&);
};
HeapRegistry::Subscription::Subscription(HeapBase& heap) : heap_(heap) {
HeapRegistry::RegisterHeap(heap_);
}
HeapRegistry::Subscription::~Subscription() {
HeapRegistry::UnregisterHeap(heap_);
}
} // namespace internal
} // namespace cppgc
#endif // V8_HEAP_CPPGC_PROCESS_HEAP_H_
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