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On Fri, 4 Mar 2005 09:11:46 -0500, MWalter@xxxxxxxxxxxxxxx
<MWalter@xxxxxxxxxxxxxxx> wrote:
> Wouldn't that continuous loop on the data queue cause some additional
> machine overhead? Especially running at run priority of 20.

no, because when there are no messages on the data queue your program
waits on the QRCVDTAQ until something ( an event ) does arrive.

-Steve

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