Function SetCurrentThreadPool

cpp/src/arrow/util/thread_pool.cc:679–685

}

static void SetCurrentThreadPool(ThreadPool* pool) {
  BOOL ok = TlsSetValue(GetPoolTlsIndex(), pool);
  if (!ok) {
    ARROW_LOG(FATAL) << "TlsSetValue failed for thread pool TLS: "
                     << WinErrorMessage(GetLastError());
  }
}
#  else
thread_local ThreadPool* current_thread_pool_ = nullptr;