Date: Sat, 17 Mar 2001 11:04:18 -0600 From: Jonathan Lemon <jlemon@flugsvamp.com> To: Maxime Henrion <mux@qualys.com> Cc: arch@FreeBSD.ORG Subject: Re: Proposal for a new syscall Message-ID: <20010317110418.Z82645@prism.flugsvamp.com> In-Reply-To: <20010317164411.A420@nebula.cybercable.fr> References: <20010317164411.A420@nebula.cybercable.fr>
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On Sat, Mar 17, 2001 at 04:44:11PM +0100, Maxime Henrion wrote: > Hello, > > While I was writing a network application, I was thinking that it would > be nice to have a syscall that could "bind" two file descriptors, of any > type (socket, file...), a bit like funopen() does in the libc. Having > such a syscall in the kernel would allow to implement "zero-copy" > wherever it is feasible. > > Then, sendfile() would just be a particular case of this syscall, where > the input fd is a file and the output fd is a socket, and it could be > rewritten using it. > > Do you think this makes sense and it would be useful to have ? Yes, but it is decidedly non-trivial to implement. -- Jonathan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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