zero copy tcp send

Bruce Cran bruce at
Mon Oct 8 10:42:25 PDT 2007

Wojciech Puchar wrote:
> i found sendfile(2) doing this.
> but the question - does normal write(2) doing this when sending from 
> user process memory, not file?
> does memory have to be aligned special way,like to page boundary?

Yes - see zero_copy(9)


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