I read message on the *msgq (using RCVMSG) and write it in a PF.
I've 2 (dumb) Questions.
1. I provide 'message queue' as a parameter to RCVMSG command. when the command is executed, it reads only one row at a time. so If I've 15 rows of messages on a queue, I execute RCVMSG in a loop and save messages one by one. Is this the correct approach?
2. Once I'm done executing this program, IF I again call the same program RCVMSG doesnt read anything from the message Q (I dont remove messages in RCVMSG). this directs me to the thought that, any message queue can be read only once even if I dont remove any message from the Q. Is this true? if yes then what if I need to execute this program more than once due to some failures/exceptions
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