A. 资源的竞争 B. 并发进程推进的顺序 C. 进程对资源的互斥使用要求 D. 系统对进程的阻塞
A. Interrupts B. semaphore C. signals D. messages
A. Processors B. mainmemory C. secondarymemory D. devices E. datastructuressuchasfiles
A. Mutual exclusion互斥 B. No preemption不可剥夺 C. Process concurrency进程并发 D. Hold-and-wait保持和请求 E. Circular wait循环等待
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