Re: [PATCH] ldisc switching on a HUPped pty hangs the caller

[Matthias Urlichs]

On Fri, 2010-01-15 at 10:48 +0000, Alan Cox wrote:
> > (The comment, by the way, seems to be wrong. There was no race.) 
> 
> Really ?
> 
Yes -- I didn't mean to imply that there was no possibility of a race,
but that there need not be any race for creating a deadlock situation.
A call to vhangup() is sufficient.

I'll test your fix later today. Rebooting a production gateway in the
middle of the work day isn't a good idea. :-P

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