[m-rev.] for review: shift spawn/3 etc, into the standard library

[Peter Wang]

On 2007-01-15, Julien Fischer <juliensf at csse.unimelb.edu.au> wrote:
> 
> For review by Peter Wang.
> 
> The name of the new library module hasn't been finalised yet but
> I would like comments on the rest of it.
> 
> Estimated hours taken: 2
> Branches: main
> 
> Shift extras/concurrency/spawn.m into a new standard library module
> named `thread'.

If later we move some of the other modules from extras/concurrency into
the standard library, would they be in submodules, e.g. thread.mvar?
I think spawn/3 is fine in `thread' though.

> library/thread.m:
> 	New module.  This contains modified versions of the spawn/3
> 	and yield/2 predicates that previously lived in
> 	extras/concurrency/spawn.m.  The main modifications are:
> 
> 	- we now allow this module to compile in non .par hl* grades.
> 	  (Attempting to acutally create a new thread in this grades will

actually

> NEWS:
> 	Annouce the change.

Announce

> Index: NEWS
> ===================================================================
> RCS file: /home/mercury/mercury1/repository/mercury/NEWS,v
> retrieving revision 1.438
> diff -u -r1.438 NEWS
> --- NEWS	12 Jan 2007 05:00:32 -0000	1.438
> +++ NEWS	15 Jan 2007 11:53:11 -0000
> @@ -17,6 +17,9 @@
> 
>  Changes to the Mercury standard library:
> 
> +* We have moved the concurrency primitives out of the extras distribution 
> and
> +  into a new standard library module called `thread'.

moved some of the concurrency

The MCFLAGS setting should also be moved from
extras/concurrency/Mercury.options.  The rest looked fine.  

Peter

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