[Unison-hackers] Unix.sleep insufficient for -repeat! Need half seconds.

[Joseph Dunn]

On Fri, 20 Apr 2007 11:54:33 -0400
Benjamin Pierce <bcpierce at cis.upenn.edu> wrote:

> I'd be very happy to see this change.  Couple of thoughts:
> 
> * One reason that usleep is not wrapped for OCaml might be (I don't  
> know) that Win32 doesn't offer something comparable.  Whatever  
> solution is adopted here needs to at least compile cross-platform,  
> even if the full functionality isn't available everywhere.  And it  
> needs to degrade in a graceful way.
> 

The argument to the Windows Sleep() function is in milliseconds, so if
that's fine enough granularity for you then you can make a cross
platform millisecond sleep without much trouble.  Alternatively, people
sometimes use calls to select() to do sub second timings, but it's not
the best way to go.

-Joseph