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【单选题】
进程P1使用资源情况:申请资源S1,申请资源S2,释放资源S1;进程P2使用资源情况:申请资源S2,申请资源S1,释放资源S2,系统并发执行进程P1,P2,系统将( )A.
必定产生死锁
B.
可能产生死锁
C.
会产生死锁
D.
无法确定是否会产生死锁
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