linux-kernel - Re: [RFC] tty: Always allow tcflow(TCOON) to unwedge terminal

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Date:	Thu, 11 Sep 2014 08:34:03 -0400
From:	Peter Hurley <peter@...leysoftware.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] tty: Always allow tcflow(TCOON) to unwedge terminal

On 09/11/2014 06:19 AM, One Thousand Gnomes wrote:
>> It's not common knowledge (and its certainly counterintuitive) that
>> turning off output when output is already turned off (ie., tcflow(TCOOFF))
>> is the required trickery to unwedge a terminal.
>>
>> Unwedging directly seems the straightforward approach.
> 
> Putting the off/on in the man page might be safer still ?

That's my plan if this patch fails to launch.

Regards,
Peter Hurley

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