Method decide_itimer_count

Lib/test/test_signal.py:1254–1266

(self)

        return med

    def decide_itimer_count(self):
        # Some systems have poor setitimer() resolution (for example
        # measured around 20 ms. on FreeBSD 9), so decide on a reasonable
        # number of sequential timers based on that.
        reso = self.measure_itimer_resolution()
        if reso <= 1e-4:
            return 10000
        elif reso <= 1e-2:
            return 100
        else:
            self.skipTest("detected itimer resolution (%.3f s.) too high "
                          "(> 10 ms.) on this platform (or system too busy)"
                          % (reso,))

    @unittest.skipUnless(hasattr(signal, "setitimer"),
                         "test needs setitimer()")