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PIN_NONE is '-1', is similar to '-RT_ERROR', '-RT_EEMPTY' is better. Signed-off-by: GuEe-GUI <2991707448@qq.com>
PIN_NONE is '-1', is similar to '-RT_ERROR', '-RT_EEMPTY' is better. Signed-off-by: GuEe-GUI <2991707448@qq.com>