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US6055559A Process switch control apparatus and a process control method 失效
过程开关控制装置和过程控制方法

Process switch control apparatus and a process control method
摘要:
A status management unit manages a free status capable of invoking a process switch and a critical status. When a process currently being executed is in an input/output process or in a critical status during a message communication, a switch control means controls a control signal for a process switch, such that a process switch does not take place.
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