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MQSeries.net Forum Index » General IBM MQ Support » MQGMO_WAIT or MQGMO_NO_WAIT

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vald
PostPosted: Wed Dec 05, 2007 5:50 am    Post subject: MQGMO_WAIT or MQGMO_NO_WAIT Reply with quote

Novice

Joined: 16 Nov 2007
Posts: 17
My server application has very simple design due to debug purposes.
I need understand something before to swith to the more complicated design.

MQOPEN(...);

gmo.Options = MQGMO_WAIT;

while(1)
{
MQGET(...);
}

What would happen if I change MQGMO_WAIT to MQGMO_NO_WAIT?
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jefflowrey
PostPosted: Wed Dec 05, 2007 5:54 am    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981
The MQGet would always return immediately - either with a message or an MQRC 2033.

With the wait, it will always return either with a message or an MQRC 2033 - but it may not return until the entire Wait Interval has passed.

This flag basically controls whether the Wait interval is used or ignored.
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JosephGramig
PostPosted: Wed Dec 05, 2007 6:04 am    Post subject: Reply with quote

Grand Master

Joined: 09 Feb 2006
Posts: 1244
Location: Gold Coast of Florida, USA
Do yourself a favor and at least superficially read the Application Programming Guide and if you are using Java, the "Using Java" book. If you have read them but not in a long time, it is worth a review.

I will even take my own advise.
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