xpcom/string/nsStringStats.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsStringStats_h
   8 #define nsStringStats_h
   9
  10 #include "mozilla/Atomics.h"
  11
  12 class nsStringStats {
  13  public:
  14   nsStringStats() = default;
  15
  16   ~nsStringStats();
  17
  18   using AtomicInt = mozilla::Atomic<int32_t, mozilla::SequentiallyConsistent>;
  19
  20   AtomicInt mAllocCount{0};
  21   AtomicInt mReallocCount{0};
  22   AtomicInt mFreeCount{0};
  23   AtomicInt mShareCount{0};
  24   AtomicInt mAdoptCount{0};
  25   AtomicInt mAdoptFreeCount{0};
  26 };
  27
  28 extern nsStringStats gStringStats;
  29
  30 #define STRING_STAT_INCREMENT(_s) (gStringStats.m##_s##Count)++
  31
  32 #endif  // nsStringStats_h