How to change time-slice granularity under Windows 9x from VxD?

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Problem:

I am trying to use Windows 98 to run a time critical application. How can I control the scheduler to make Windows 98 to act more like real time OS?

Resolution:

Windows 95/98 is not a best choice for the real time OS, but if you are stuck with it there are several services you should know about:

Set_Time_Slice_Granularity service sets the minimum time-slice granularity, the minimum time a virtual machine can rut before being rescheduled.

Set_Time_Slice_Priority service sets the time-slice execution flags, and the foreground and background priorities for a specified virtual machine.

Adjust_Exec_Priority service raises or lowers the execution priority of the specified virtual machine.

Old KB# 11011
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