Method Get

external/sentencepiece/src/util.cc:191–198

  virtual ~RandomGeneratorStorage() { pthread_key_delete(key_); }

  std::mt19937 *Get() {
    auto *result = static_cast<std::mt19937 *>(pthread_getspecific(key_));
    if (result == nullptr) {
      result = new std::mt19937(GetRandomGeneratorSeed());
      pthread_setspecific(key_, result);
    }
    return result;
  }

 private:
  static void Delete(void *value) { delete static_cast<std::mt19937 *>(value); }