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若信号量S的初值为2,当前值为-1,则表示等待进程的个数为

高老师2年前 (2024-03-26)操作系统(02326)16

若信号量S的初值为2,当前值为-1,则表示等待进程的个数为

A.0个

B.1个

C.2个

D.3个

正确答案是B

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