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- Newsgroups: comp.os.os2.programmer
- Path: sparky!uunet!cis.ohio-state.edu!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!eff!world!fred
- From: fred@world.std.com (Fred A Putnam)
- Subject: Re: realtime application
- Message-ID: <Btz5qF.FFM@world.std.com>
- Organization: The World Public Access UNIX, Brookline, MA
- References: <1992Sep2.064726.6351@nuscc.nus.sg> <Btyt27.JqD@world.std.com> <3705@copper.Denver.Colorado.EDU>
- Date: Wed, 2 Sep 1992 23:39:50 GMT
- Lines: 19
-
- rvaniwaa@copper.denver.colorado.edu (Ronald J. Vaniwaarden) writes:
-
- >In article <Btyt27.JqD@world.std.com> fred@world.std.com (Fred A Putnam) writes:
- >>...
- >>time at all because they are being time-sliced with each other and with the
- >>rest of OS/2. The timer ticks are virtualized, and do not track in real time.
-
- >I have often wondered about this idea. Does this mean that if you are
- >running a program for which you wish to time the length of execution, that you
- >will get the actual processor time rather than the real time? I know in
- >Windows, you end up with the real time rather than processor time.
-
- You will wind up with the real time, just as in Windows. The virtual timer
- works the same way in OS/2 as it does in Windows, such that over an extended
- period of time, the correct number of virtual clock interrupts are delivered
- to DOS, though they are not delivered at regular intervals.
-
- --
- Fred Putnam, LABTECH, fred@labtech.com, 1-800-TRY-LABTECH
-