用高级语言编写和调试一个进程调度程序，以加深对进程的概念及进程调度算法的解．

进程调度时进程管理的主要内容之一，通过设计，编制，调试一个简单的进程调度模拟系统，对进程调度，进程运行状态变换加深理解和掌握。模拟计算机操作系统的进程调度,建立进程控制块PCB,要包含有关进程的描述信息,控制信息以及资源信息.模拟系统根据PCB感知进程的存在和通过PCB中所包含的各项变量的变化,掌握进程所处的状态以达到控制进程活动的目的.要实现进程的状态及其转换,进程的创建与撤消,进程的阻塞与唤醒.用P,V原语操作实现进程互斥.

-High-level language to write and debug a process scheduler, in order to deepen their understanding of the concept and process of the solution process scheduling algorithm.

　　Process scheduling process management, main contents, through the design, develop and debug a simple process scheduling simulation systems, process scheduling, running Transform deepen understanding and mastering. Analog computer operating system process scheduling, establish process control block PCB, to include a descr iption of the relevant process information, control information and resource information. Perception process simulation system based on the presence of PCB and PCB contained through various changes in variables, grasp process in which the state in order to achieve the purpose of controlling process activities to achieve the status of the process of conversion, the process of creation and abolition of the process of blocking and wake with P, V primitive operations to achieve mutual exclusion.

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