[计] disallowed I/O interruption
bù yǔn xǔ shū rù shū chū zhōng duàn ㄅㄨˋ ㄩㄣˇ ㄒㄩˇ ㄕㄨ ㄖㄨˋ ㄕㄨ ㄔㄨ ㄓㄨㄥ ㄉㄨㄢˋ