(j3.2006) (SC22WG5.4481) [ukfortran] Added atomic
Fri Jun 17 16:54:39 EDT 2011
On Jun 17 2011, Bill Long wrote:
>The list of comments on the coarray TR from Rice suggested adding a SWAP
>atomic subroutine. The list in 11-200 includes all of the "common"
>atomic operations except one: atomic andxor. I'm inclined to add that
>one, which would make SWAP unnecessary. Or we could add both. For those
>who are not big amo users...
>If this is added, is there a need for a separate atomic_swap?
Swapping works reliably and portably when one integer may be negative;
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