Method lockEngine

pj_datastore/src/engine.cpp:63–65

DataEngine& DataEngine::operator=(DataEngine&&) noexcept = default;

std::unique_lock<std::recursive_mutex> DataEngine::lockEngine() const {
  return std::unique_lock<std::recursive_mutex>(impl_->mutex_);
}

std::unique_lock<std::recursive_mutex> DataEngine::lockEngineDeferred() const {
  return std::unique_lock<std::recursive_mutex>(impl_->mutex_, std::defer_lock);