Method Pause

cpp/src/arrow/util/thread_pool.cc:229–237

ARROW_ENABLE_THREADING

#endif  // ARROW_ENABLE_THREADING
void SerialExecutor::Pause() {
  // Same comment as SpawnReal above
  auto state = state_;
  {
    std::lock_guard<std::mutex> lk(state->mutex);
    state->paused = true;
  }
  state->wait_for_tasks.notify_one();
}

bool SerialExecutor::IsFinished() {
  std::lock_guard<std::mutex> lk(state_->mutex);