[m-rev.] diff: implement semaphores on the il backend

[Fergus Henderson]

On 03-Mar-2003, Peter Ross <pro at missioncriticalit.com> wrote:
> 
> extras/concurrency/semaphore.m:
> 	Change try_wait0 to use TryEnter when attempting to obtain the
> 	mutex on the il backend.

That's much better, thanks!

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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