How does the death star "working" logo on the UNIXPC work?

[Greg Comeau]

In article <591 at limbic.UUCP> gil at limbic.UUCP (Gil Kloepfer Jr.) writes:
>In article <219 at venice.SEDD.TRW.COM> baur at venice.sedd.trw.com (Steven L. Baur) writes:
>>I am curious to know what system calls, etc.  are used to implement the
>>AT&T death star "working ..." logo that appears on the UNIXPC.
>
>The death-star "Working" icon is produced by the window driver, and is
>on the screen whenever the "current" window (ie. the window attached to the
>keyboard) is not blocking for input.

I think if I recall correct that the "not blocking for input" is just a subset
of the possiblities.

If I recall, the logo will only come up having something to do with an
internal/kernel sleep() call.
-- 
Greg, Comeau Computing, 91-34 120th Street, Richmond Hill, NY, 11418
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