test_popen2.py 文件源码

def tearDown(self):
        for inst in popen2._active:
            inst.wait()
        popen2._cleanup()
        self.assertFalse(popen2._active, "popen2._active not empty")
        # The os.popen*() API delegates to the subprocess module (on Unix)
        import subprocess
        for inst in subprocess._active:
            inst.wait()
        subprocess._cleanup()
        self.assertFalse(subprocess._active, "subprocess._active not empty")
        reap_children()