[dcmf] Additional lockless patch

[Robert Latham]

On Fri, Feb 15, 2008 at 12:30:02PM -0600, Bob Cernohous wrote:
> Here are some additions to Rob Latham's patch, assuming the 
> naive routines are acceptable.  If not, we'll try something else.

Ah, neat. I've got some patches pending, but haven't been sending them
to the list (guess I had the wrong impression about stuff).  Bob, if
you're taking a look at them, then let me fire a few more your way.

==rob

-- 
Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA                 B29D F333 664A 4280 315B