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The C and C++ Include Header Files

cat -n /usr/include/node/cppgc/process-heap-statistics.h

     1	// Copyright 2020 the V8 project authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style license that can be
     3	// found in the LICENSE file.
     4	
     5	#ifndef INCLUDE_CPPGC_PROCESS_HEAP_STATISTICS_H_
     6	#define INCLUDE_CPPGC_PROCESS_HEAP_STATISTICS_H_
     7	
     8	#include <atomic>
     9	#include <cstddef>
    10	
    11	#include "v8config.h"  // NOLINT(build/include_directory)
    12	
    13	namespace cppgc {
    14	namespace internal {
    15	class ProcessHeapStatisticsUpdater;
    16	}  // namespace internal
    17	
    18	class V8_EXPORT ProcessHeapStatistics final {
    19	 public:
    20	  static size_t TotalAllocatedObjectSize() {
    21	    return total_allocated_object_size_.load(std::memory_order_relaxed);
    22	  }
    23	  static size_t TotalAllocatedSpace() {
    24	    return total_allocated_space_.load(std::memory_order_relaxed);
    25	  }
    26	
    27	 private:
    28	  static std::atomic_size_t total_allocated_space_;
    29	  static std::atomic_size_t total_allocated_object_size_;
    30	
    31	  friend class internal::ProcessHeapStatisticsUpdater;
    32	};
    33	
    34	}  // namespace cppgc
    35	
    36	#endif  // INCLUDE_CPPGC_PROCESS_HEAP_STATISTICS_H_