From: "James A. Robinson" <jimr@highwire.stanford.edu>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] reading addr always returns #0,#0?
Date: Mon, 2 Sep 2013 08:25:30 -0700 [thread overview]
Message-ID: <CAPd04b4XFa+PRtZot8g8dwN2Ad=Nc0ncD-11WKSefJmVS=-AsQ@mail.gmail.com> (raw)
In-Reply-To: <1909624.IyeLYgNJ9F@coil>
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Thank you both for the explanation!
On Mon, Sep 2, 2013 at 3:38 AM, dexen deVries <dexen.devries@gmail.com>wrote:
> On Monday 02 of September 2013 14:13:56 Alexander Sychev wrote:
> > The problem is the "addr" file is closed between your calls. When you
> open
> > the "addr" file next time, an internal address is set to 0,0.
> > But after the writing the address is actual and if you read "data" file
> you
> > will see the text according to your address.
> >
> > I you write the code on C or Go without a closing a descriptor of "addr"
> > file, everything will be ok :-)
>
>
> or use 9p rdwr:
>
>
> echo -n , | 9p write acme/2/addr
> echo 'dot=addr' | 9p rdwr acme/2/ctl
>
> --
> dexen deVries
>
> [[[↓][→]]]
>
> Take care of the luxuries and the necessities will take care of themselves.
> -- L. Long
>
>
>
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prev parent reply other threads:[~2013-09-02 15:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-31 17:23 James A. Robinson
2013-08-31 17:29 ` James A. Robinson
2013-09-02 10:13 ` Alexander Sychev
2013-09-02 10:38 ` dexen deVries
2013-09-02 15:25 ` James A. Robinson [this message]
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