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来自「操作系统Interprocess Communication(IPC)实验源码。」· 代码 · 共 41 行

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compile:	gcc -o msgtool msgtool.crun:./msgtool s 1 hello,worldSending a message..../msgtool s 5 happySending a message..../msgtool r 1Reading a message...Type: 1 Text: hello,world./msgtool r 5Reading a message...Type: 5 Text: happyipcs -q------ Semaphore Arrays --------key        semid      owner      perms      nsems      status      ------ Message Queues --------key        msqid      owner      perms      used-bytes   messages    0x6d0760c2 65536      root       666        0            0           ./msgtool m 660ipcs -q------ Message Queues --------key        msqid      owner      perms      used-bytes   messages    0x6d0760c2 65536      root       660        0            0           ./msgtool dipcs -q------ Message Queues --------key        msqid      owner      perms      used-bytes   messages    

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