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Re: [Xen-devel] [PATCH]do not allow multiple xenconsole connect to the s
| To: | Li Dongyang <lidongyang@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH]do not allow multiple xenconsole connect to the same pty |
| From: | Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
| Date: | Tue, 15 Feb 2011 19:40:04 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 15 Feb 2011 11:41:56 -0800 |
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| In-reply-to: | <201102151207.38331.lidongyang@xxxxxxxxxx> |
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Li Dongyang writes ("[Xen-devel] [PATCH]do not allow multiple xenconsole
connect to the same pty"):
> allowing multiple xenconsole connect to the same pty is just insane,
> prevent this by acquiring a write flock on the pty fd once we opened it.
I don't think that flocking a pty is likely to be very portable.
I guess what happens at the moment if you do this is that input is
interleaved (fine) but output is distributed randomly amongst the
available clients ?
Ian.
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