Thanks Stephen, I'll try it.
Do you know of anything that has a finer resolution than one second?
Alan
-----Original Message-----
From: Stephen Garrett <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Thursday, July 13, 2000 11:11 PM
Subject: Re: Timing loops
>
>gallery -> cfx_wait
>
>At 06:09 PM 7/13/2000 +0100, Alan Ford wrote:
>>We have to talk to a piece of legacy code in the middle of a display
>>handler. We do this by writing a file to disk - which contains the query
the
>>customer has entered. The legacy code sees the file, works out the answer
>>(which can take a few seconds if it's a complex query), and then writes a
>>reply file for us to read and display. We have plans to make this legacy
>>code into a DLL which we can call, but that will not happen for several
>>weeks - we go live in two!
>>
>>The problem is, what is the best way to wait for the reply file to arrive?
>>Ideally I would want it to be event driven - say by settings a Windows
timer
>>to fire after .25 of a second, look if the file has arrived, wait for
>>another event - but that doesn't sit nicely into CF / Spectra. Right now
we
>>have a CPU intensive loop where we simply loop round until tickcount has
>>advanced by 250 then we look for the file, which we know is an awful
>>solution for a load of reasons.
>>
>>We did try using cfsleep (which I think came from the tag gallery), but
>>using that caused our next cfquery to fail with a timeout. So, is anyone
>>aware of a 'proper' non-CPU intensive way of waiting a while in the middle
>>of a display handler?
>>
>>Thanks in advance,
>>
>>Alan Ford
>>
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>--
>Stephen Garrett
>GPS
>[EMAIL PROTECTED] (360) 896-2714
>ICQ# 10776767
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