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free real time library under Windows98

Is there a free real time library under Windows98?
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jjescri
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jjescri
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revolwsCommented:
Whats your definition of a real time library?
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revolwsCommented:
Whats your definition of a real time library?
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jjescriAuthor Commented:
A library that allows to start a real time process, that is to say, a process
that does a thing every T millisecons.

Thanks
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yedwyCommented:
You mean programming it or what? I mean aplication that makes something every T miliseconds and what is meand by T?1000?
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revolwsCommented:
Sorry, you lost me..  Not sure what type of program or applications you are looking for.  Might wanna try the Microsoft Libraries or provide a little more detailed information ie  visual basic runtime libraries?..
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pjknibbsCommented:
You're very unlikely to find such a thing because Windows 98 is not a real-time OS--it can take hundreds of milliseconds to respond to a hardware interrupt under some circumstances, making it useless for any sort of real-time programming.
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jjescriAuthor Commented:
And in Windows NT?
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pjknibbsCommented:
Better, but still not capable of a guaranteed response time.
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jjescriAuthor Commented:
Only in DOS or Linux?
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pjknibbsCommented:
There are specialist real-time operating systems available--however, DOS or Linux would certainly have better response times than most Windows variants.
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jjescriAuthor Commented:
Only in DOS or Linux?
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jjescriAuthor Commented:
And interruptions in Windows 98?
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pjknibbsCommented:
Sorry--not sure what you mean by your last comment.
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jjescriAuthor Commented:
And interruptions in Windows 98?
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jjescriAuthor Commented:
DOS interruptions in Windows98?
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jjescriAuthor Commented:
DOS interruptions in Windows98?
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pjknibbsCommented:
I still don't know what you mean--could you be clearer?
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jjescriAuthor Commented:
Is possible to use DOS interruptions in Windows98 in order to simulate real time
timers?
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pjknibbsCommented:
No, because the DOS interrupts in Windows 98 are intercepted and virtualised by the Windows Virtual Machine Manager--this is why you don't get real-time response to hardware interrupts.

Out of interest, why do you need real-time support under Win98? Do you actually *need* real-time response, or are you just looking for a normal timer with a resolution better than the standard Windows SetTimer() call?
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