From: William Lee Irwin III <wli@holomorphy.com>
To: Amos Waterland <apw@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, Tom Gall <tom_gall@vnet.ibm.com>,
bcrl@redhat.com
Subject: Re: O_ASYNC question
Date: Wed, 26 Jun 2002 17:56:50 -0700 [thread overview]
Message-ID: <20020627005650.GN22961@holomorphy.com> (raw)
In-Reply-To: <20020626163755.A10713@kvasir.austin.ibm.com>
On Wed, Jun 26, 2002 at 04:37:55PM -0500, Amos Waterland wrote:
> The reason that I was interested is that this behavior, if implemented
> for all fd types, would be useful for a scalable user-space
> implementation of POSIX aio.
Linux implements SIGIO for tty's and sockets only.
On Wed, Jun 26, 2002 at 04:37:55PM -0500, Amos Waterland wrote:
> When you say that it is 'not done for files', does that mean that it is
> not done by design, and no plans exist to implement it for files
> (perhaps because completion notification is fundamentally different than
> readiness notification?), or that the work just has yet to be done?
> Thanks.
It is not done by design. Future plans for async I/O implementations do
not appear to involve the SIGIO mechanism.
Cheers,
Bill
next prev parent reply other threads:[~2002-06-27 0:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-25 16:30 O_ASYNC question Amos Waterland
2002-06-26 21:11 ` William Lee Irwin III
2002-06-26 21:37 ` Amos Waterland
2002-06-27 0:56 ` William Lee Irwin III [this message]
2002-06-27 12:15 ` Jamie Lokier
-- strict thread matches above, loose matches on Subject: below --
2006-11-10 22:57 Mikulas Patocka
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