test_multiprocessing.py 文件源码

def test_sys_exit(self):
        # See Issue 13854
        if self.TYPE == 'threads':
            return

        testfn = test.support.TESTFN
        self.addCleanup(test.support.unlink, testfn)

        for reason, code in (([1, 2, 3], 1), ('ignore this', 0)):
            p = self.Process(target=self._test_sys_exit, args=(reason, testfn))
            p.daemon = True
            p.start()
            p.join(5)
            self.assertEqual(p.exitcode, code)

            with open(testfn, 'r') as f:
                self.assertEqual(f.read().rstrip(), str(reason))

        for reason in (True, False, 8):
            p = self.Process(target=sys.exit, args=(reason,))
            p.daemon = True
            p.start()
            p.join(5)
            self.assertEqual(p.exitcode, reason)

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