Date: Thu, 16 Jan 1997 08:59:15 -0800 From: David Greenman <dg@root.com> To: Dan Cross <tenser@spitfire.ecsel.psu.edu> Cc: "K.Jayaram Kumar" <JKOTA.IN.ORACLE.COM.ofcmail@in.oracle.com>, fs@FreeBSD.ORG Subject: Re: Async I/O Message-ID: <199701161659.IAA12111@root.com> In-Reply-To: Your message of "Thu, 16 Jan 1997 11:30:54 EST." <19970116163054.27104.qmail@spitfire.ecsel.psu.edu>
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>> I think FreeBSD doesn't support Async I/O. Is that right ?? Also, is there >> any Async I/O simulation library available for FreeBSD ?? > >FreeBSD does indeed support aynchronous I/O, but I'm curious, by what do >you mean asynchronous I/O? It supports both signal-driven asynchronous >I/O (most commonly used to/from a socket...) as well as mounting filesystems >asynchronously. Since you sent mail to fs@freebsd.org, I assume you are >refering to the latter. In order to enable asynchronous I/O on a filesystem, >specify the ``-o async'' option to your mount command line, or add the >``async'' keyword to the options field in /etc/fstab. > >Hope this helps some. I think he means via the (Posix?) 'aio' interface. The answer to that is no, we don't have support for that. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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