Function BusyWait

cpp/src/arrow/testing/gtest_util.cc:810–815

#endif

void BusyWait(double seconds, std::function<bool()> predicate) {
  const double period = 0.001;
  for (int i = 0; !predicate() && i * period < seconds; ++i) {
    SleepFor(period);
  }
}

namespace {