I got to playing around with Windows 2000 Task Manager the other day and
discovered that you can change the priority of a running task. This led me
to discover that you can specify the priority of a task when you launch it
by way of the windows start command using one of the following options:
LOW Start application in the IDLE priority class
NORMAL Start application in the NORMAL priority class
HIGH Start application in the HIGH priority class
REALTIME Start application in the REALTIME priority class
ABOVENORMAL Start application in the ABOVENORMAL priority class
BELOWNORMAL Start application in the BELOWNORMAL priority class
WAIT Start application and wait for it to terminate
I then got to playing with nice (under Cygwin) to see what I could do about
setting the priority of a Cygwin task. I used the following syntax and
tried a number of values of x:
nice -n x programname.exe
I found that specify a value of x=0 results in NORMAL priority. For any
value of x > 0, I found I got a priority of LOW. For any value of x < 0, I
found I got a priority of HIGH.
I tried "man nice" and "info nice" and got scant documentation. I'm just
curious if this is the expected behavior of nice? Is my analysis correct,
or are there other values of "x" that will get me the other Windows
priorities? FWIW, there's a Cygwin task I'd like to launch with AboveNormal
priority.
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