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From Cliff Woolley <jwool...@virginia.edu>
Subject Re: using sendfile on MMAP'd buckets
Date Sun, 09 Sep 2001 17:14:19 GMT
On 9 Sep 2001, Ian Holsman wrote:

> I was looking through the sendfile code, and it looks like we could
> use sendfile to transmit a memory-mapped bucket if we kept the
> file-descriptor when we create the mmap bucket.
> I don't have sendfile installed on solaris (yet) but I think
> sendfile is faster than writeev??
> if this is the case, I think we should add a function/flag/macro to the
> bucket-type is_sendfileable (which would be true for files/mmaps)
> instead of checking the type of the bucket explictly.

Just because you have an MMAP doesn't necessarily mean the original file
descriptor is still open, so you're not guaranteed that you can use
sendfile()...

--Cliff

--------------------------------------------------------------
   Cliff Woolley
   cliffwoolley@yahoo.com
   Charlottesville, VA



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