On Sun, Feb 9, 2014 at 5:49 PM, James K. Lowden <[email protected]>wrote:

>
> I know portability is important to the SQLite project.  Is this
> particular issue a matter of manpower, know-how, or policy?
>
>
The mmap functionality in SQLite is completely portable to OpenBSD now,
since as currently implemented, requests to activate mmap are silently
ignored in OpenBSD.  So you always get the correct answer.

I suspect that adding msync() calls would wipe out any speed advantage for
using memory-mapped I/O.  And since speed is the only advantage to memory
mapped I/O and because there are many disadvantages, I don't see a use-case
for trying to make mmap work on OpenBSD.

-- 
D. Richard Hipp
[email protected]
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