Function CreateSleepThreadPool

cpp/src/arrow/testing/gtest_util.cc:819–823

constexpr int kNumSleepThreads = 32;

std::shared_ptr<ThreadPool> CreateSleepThreadPool() {
  Result<std::shared_ptr<ThreadPool>> thread_pool =
      ThreadPool::MakeEternal(kNumSleepThreads);
  return thread_pool.ValueOrDie();
}

}  // namespace