Date: Mon, 08 Oct 2007 18:42:07 +0100 From: Bruce Cran <bruce@cran.org.uk> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: freebsd-questions@freebsd.org Subject: Re: zero copy tcp send Message-ID: <470A6BEF.4040808@cran.org.uk> In-Reply-To: <20071008103928.R69642@wojtek.tensor.gdynia.pl> References: <20071008103928.R69642@wojtek.tensor.gdynia.pl>
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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) -- Bruce
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