Method Swap

be/src/common/atomic.h:110–112

Store 'new_val' and return the previous value. Implies a Release memory barrier (i.e. the same as Store()).

  /// Store 'new_val' and return the previous value. Implies a Release memory barrier
  /// (i.e. the same as Store()).
  ALWAYS_INLINE T Swap(T new_val) {
    return base::subtle::Release_AtomicExchange(&value_, new_val);
  }

 private:
  T value_;