test_process.py 文件源码

def test_send_signal(self):
        sig = signal.SIGKILL if POSIX else signal.SIGTERM
        sproc = get_test_subprocess()
        p = psutil.Process(sproc.pid)
        p.send_signal(sig)
        exit_sig = p.wait()
        self.assertFalse(psutil.pid_exists(p.pid))
        if POSIX:
            self.assertEqual(exit_sig, sig)
            #
            sproc = get_test_subprocess()
            p = psutil.Process(sproc.pid)
            p.send_signal(sig)
            with mock.patch('psutil.os.kill',
                            side_effect=OSError(errno.ESRCH, "")):
                with self.assertRaises(psutil.NoSuchProcess):
                    p.send_signal(sig)
            #
            sproc = get_test_subprocess()
            p = psutil.Process(sproc.pid)
            p.send_signal(sig)
            with mock.patch('psutil.os.kill',
                            side_effect=OSError(errno.EPERM, "")):
                with self.assertRaises(psutil.AccessDenied):
                    psutil.Process().send_signal(sig)
            # Sending a signal to process with PID 0 is not allowed as
            # it would affect every process in the process group of
            # the calling process (os.getpid()) instead of PID 0").
            if 0 in psutil.pids():
                p = psutil.Process(0)
                self.assertRaises(ValueError, p.send_signal, signal.SIGTERM)