test_process.py 文件源码

def test_wait_non_children(self):
        # test wait() against processes which are not our children
        code = "import sys;"
        code += "from subprocess import Popen, PIPE;"
        code += "cmd = ['%s', '-c', 'import time; time.sleep(60)'];" % PYTHON
        code += "sp = Popen(cmd, stdout=PIPE);"
        code += "sys.stdout.write(str(sp.pid));"
        sproc = get_test_subprocess([PYTHON, "-c", code],
                                    stdout=subprocess.PIPE)
        grandson_pid = int(sproc.stdout.read())
        grandson_proc = psutil.Process(grandson_pid)
        try:
            self.assertRaises(psutil.TimeoutExpired, grandson_proc.wait, 0.01)
            grandson_proc.kill()
            ret = grandson_proc.wait()
            self.assertEqual(ret, None)
        finally:
            reap_children(recursive=True)