软件中断原语

[计] primitive for software interrupt

ruǎn jiàn zhōng duàn yuán yǔ ㄖㄨㄢˇ ㄐㄧㄢˋ ㄓㄨㄥ ㄉㄨㄢˋ ㄩㄢˊ ㄩˇ