Function SetSignalStopSource

cpp/src/arrow/util/cancel.cc:300–307

}  // namespace

Result<StopSource*> SetSignalStopSource() {
  auto stop_state = SignalStopState::instance();
  if (stop_state->enabled()) {
    return Status::Invalid("Signal stop source already set up");
  }
  stop_state->Enable();
  return stop_state->stop_source();
}

void ResetSignalStopSource() {
  auto stop_state = SignalStopState::instance();