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How to know whether the message queue is empty or not.

Question Posted / vijay kumar reddy


How to know whether the message queue is empty or not...

Answer / pavan

type the command: ipcs -m

you'll get no of messages in Message Q,

else
you can also use msqid_ds structure

i'e : define a structure variable of type
-> struct msqid_ds YOUR_VAR;
and access YOUR_VAR -> msg_qnum
it'll give no of messgaes on Q.

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