11cb0ef41Sopenharmony_ci// Copyright 2020 the V8 project authors. All rights reserved.
21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be
31cb0ef41Sopenharmony_ci// found in the LICENSE file.
41cb0ef41Sopenharmony_ci
51cb0ef41Sopenharmony_ci#ifndef INCLUDE_CPPGC_PROCESS_HEAP_STATISTICS_H_
61cb0ef41Sopenharmony_ci#define INCLUDE_CPPGC_PROCESS_HEAP_STATISTICS_H_
71cb0ef41Sopenharmony_ci
81cb0ef41Sopenharmony_ci#include <atomic>
91cb0ef41Sopenharmony_ci#include <cstddef>
101cb0ef41Sopenharmony_ci
111cb0ef41Sopenharmony_ci#include "v8config.h"  // NOLINT(build/include_directory)
121cb0ef41Sopenharmony_ci
131cb0ef41Sopenharmony_cinamespace cppgc {
141cb0ef41Sopenharmony_cinamespace internal {
151cb0ef41Sopenharmony_ciclass ProcessHeapStatisticsUpdater;
161cb0ef41Sopenharmony_ci}  // namespace internal
171cb0ef41Sopenharmony_ci
181cb0ef41Sopenharmony_ciclass V8_EXPORT ProcessHeapStatistics final {
191cb0ef41Sopenharmony_ci public:
201cb0ef41Sopenharmony_ci  static size_t TotalAllocatedObjectSize() {
211cb0ef41Sopenharmony_ci    return total_allocated_object_size_.load(std::memory_order_relaxed);
221cb0ef41Sopenharmony_ci  }
231cb0ef41Sopenharmony_ci  static size_t TotalAllocatedSpace() {
241cb0ef41Sopenharmony_ci    return total_allocated_space_.load(std::memory_order_relaxed);
251cb0ef41Sopenharmony_ci  }
261cb0ef41Sopenharmony_ci
271cb0ef41Sopenharmony_ci private:
281cb0ef41Sopenharmony_ci  static std::atomic_size_t total_allocated_space_;
291cb0ef41Sopenharmony_ci  static std::atomic_size_t total_allocated_object_size_;
301cb0ef41Sopenharmony_ci
311cb0ef41Sopenharmony_ci  friend class internal::ProcessHeapStatisticsUpdater;
321cb0ef41Sopenharmony_ci};
331cb0ef41Sopenharmony_ci
341cb0ef41Sopenharmony_ci}  // namespace cppgc
351cb0ef41Sopenharmony_ci
361cb0ef41Sopenharmony_ci#endif  // INCLUDE_CPPGC_PROCESS_HEAP_STATISTICS_H_
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