On 2015-12-03 16:10:51 -0600, Kevin Grittner wrote:
> Is the c.h change above on anything resembling the right track for
> a patch for this?  If not, what would such a patch look like?

I think a better path would be to add fallback support for 64bit atomics
- like we already have for 32bit. That should really only take a few
lines. Then you can use pg_atomic_read_u64/pg_atomic_write_u64 and all
the rest of the atomics api.

For that to be helpful we'd want a more efficient read/write
implementation for some platforms (falls back to compare/exchange right
now), but that's easy.


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