From: Jeff Dike <jdike@addtoit.com>
To: Victor Condino <un1tz3r0@gmail.com>
Cc: UML Developer Mailing List <user-mode-linux-devel@lists.sourceforge.net>
Subject: Re: [uml-devel] Waiting for data on host FD
Date: Mon, 19 Sep 2005 12:26:12 -0400 [thread overview]
Message-ID: <20050919162612.GA5125@ccure.user-mode-linux.org> (raw)
In-Reply-To: <432E7091.8090403@gmail.com>
On Mon, Sep 19, 2005 at 04:02:25AM -0400, Victor Condino wrote:
> So my question is: what is the right way to go about waiting for host
> I/O to become available on a givel FD? It seems from looking at the uml
> drivers that um_request_irq is used to request notification of various
> asynchronous events from the host.
This is the right way to do it.
> If this can be used for waiting until
> an fd is available for read or write, how? I tried looking around for
> some code that uses um_request_irq for read/write, but couldn't seem to
> find any.
Just register the same fd twice, once for read and once for write.
Jeff
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prev parent reply other threads:[~2005-09-19 16:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-19 8:02 [uml-devel] Waiting for data on host FD Victor Condino
2005-09-19 16:26 ` Jeff Dike [this message]
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