Method Impl

cpp/src/arrow/testing/gtest_util.cc:690–691

  internal::SignalHandler old_handler_;

  Impl(int signum, const internal::SignalHandler& handler)
      : signum_(signum), old_handler_(*internal::SetSignalHandler(signum, handler)) {}

  ~Impl() { ARROW_EXPECT_OK(internal::SetSignalHandler(signum_, old_handler_)); }
};