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From: Mark Brown <bmark@us.ibm.com>
To: Glibc hackers <libc-hacker@sources.redhat.com>
Subject: Re: AIO work in librt
Date: Fri, 23 Apr 2004 18:21:00 -0000	[thread overview]
Message-ID: <OF9F7E6C72.AB9B7A32-ON86256E7F.00643D29-86256E7F.0064DCB3@us.ibm.com> (raw)
In-Reply-To: <20040423145724.GM5191@sunsite.ms.mff.cuni.cz>

Jakub Jelinekl writes (as did Ulrich in another note):
> RHEL glibc already includes the rtkaio glibc add-on which is librt using
> the kernel AIO interface.

We were looking for something that could go into the main tree, but given 
the
status below...

> Unfortunately, the kernel side is very limited and doesn't have good
> support for the things userland POSIX AIO needs (e.g. in the area of
> notification and cancellation, or that many things are serialized in
> the kernel rather than truely asynchronous; and from what I've heard
> the 2.6 aio is even in worse shape than what we used to have in 2.4.x 
RHEL
> kernels).

Not being an aio expert myself, I didn't know things were in this shape.
I'll pass your opinions here to the team that's proposing the work.


-------------------
Mark S. Brown 
bmark@us.ibm.com

      reply	other threads:[~2004-04-23 18:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-23 16:17 Mark Brown
2004-04-23 16:29 ` Ulrich Drepper
2004-04-23 17:09 ` Jakub Jelinek
2004-04-23 18:21   ` Mark Brown [this message]

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