Method addCost

include/common/statistics.h:85–99

Add cost and return false if the limit is exceeded.

  /// Add cost and return false if the limit is exceeded.
  bool addCost(uint64_t Cost) {
    using namespace std::literals;
    const auto Limit = CostLimit;
    uint64_t OldCostSum = CostSum.load(std::memory_order_relaxed);
    uint64_t NewCostSum;
    do {
      NewCostSum = OldCostSum + Cost;
      if (unlikely(NewCostSum > Limit)) {
        spdlog::error("Cost exceeded limit. Force terminate the execution."sv);
        return false;
      }
    } while (!CostSum.compare_exchange_weak(OldCostSum, NewCostSum,
                                            std::memory_order_relaxed));
    return true;
  }

  /// Return cost back.
  bool subCost(uint64_t Cost) {