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SubjectRe: zero-copy TCP

On Wed, 6 Sep 2000, Chris Wedgwood wrote:

> [...] The point is that a write() is only used if some sort of
> dynamic data is generated on the fly.
> There are exsiting applications out there that use mmap+write
> (caching the maps), it would be nice for the authors of these not to
> have to _require_ non-portable sendfile semantics for the best
> performance.

this is not just an interface question, mmap()+write() is conceptually
inferior to a sendfile(). [if the goal is to send the same data multiple


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