From owner-freebsd-hackers Sun Feb 17 10:14:43 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mustard.heime.net (mustard.heime.net [194.234.65.222]) by hub.freebsd.org (Postfix) with ESMTP id 84DE237B400; Sun, 17 Feb 2002 10:14:39 -0800 (PST) Received: from localhost (roy@localhost) by mustard.heime.net (8.11.6/8.9.3) with ESMTP id g1HIDox06415; Sun, 17 Feb 2002 19:13:50 +0100 Date: Sun, 17 Feb 2002 19:13:50 +0100 (CET) From: Roy Sigurd Karlsbakk X-Sender: To: Dag-Erling Smorgrav Cc: Thomas Hurst , , , Subject: Re: in-kernel HTTP Server for FreeBSD? In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > sendfile() isn't zero-copy, it's just two-less-copies. zero-copy means "zero copy-operations within memory" non-zero-copy usually goes device -> buffer -> user space -> buffer -> device (2 copy operations) zero-copy device -> buffer/userspace/shared -> device -- Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA Computers are like air conditioners. They stop working when you open Windows. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message