A design feature of some multiprocessing systems that can transfer control of the system bus from one bus controller to another. Both controllers are, of cource, processors.; 某些多重處理系統(tǒng)中使用的一種預(yù)定的特性,即可以將系統(tǒng)總線控制權(quán)從一個總線控制 器轉(zhuǎn)到另一個。當(dāng)然,這兩個控制器都是處理機(jī)。