Message-ID: <5460E4E7.2040509@gmail.com>
Date: Mon, 10 Nov 2014 11:16:39 -0500
From: Austin S Hemmelgarn <ahferroin7@gmail.com>
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To: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
        "Theodore Ts'o" <tytso@mit.edu>
CC: Martin Tournoij <martin@arp242.net>, linux-kernel@vger.kernel.org
Subject: Re: [RFC] The SIGINFO signal from BSD
References: <1415200663.3247743.187387481.75CE9317@webmail.messagingengine.com>	<545A7B00.1040309@gmail.com>	<20141105201404.GH27083@thunk.org> <20141110142200.676b5d04@alan.etchedpixels.co.uk>
In-Reply-To: <20141110142200.676b5d04@alan.etchedpixels.co.uk>
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On 2014-11-10 09:22, One Thousand Gnomes wrote:
>> wouldn't be accepted.  (BTW, if you're going to do this, note that ^T
>> could be remapped to any control character via stty; so to do this we
>> would need to define an extra index in c_cc[] array in the struct
>> termios.)
>
> We have 19 entries in the array and no platforms that byte pack so that=

> would actually be doable I think.
>
> I'm really dubious about its value in the Linux world. You could do far=

> better teaching the GUI desktop to walk the process tree of clients and=

> dump the window owners process subtrees in a nice pop up window.
>
> PS: Austin - SIGPWR was used on the System 5 boxes I used to indicate
> power had been *restored* not lost. The primary usage was in curses and=

> termios using apps so that when the power came back on they would redra=
w
> the screens on all the terminals.
>
> You have to think back to a world of a generator/battery backed servers=

> and non battery backed terminals for that to make sense.
Ah, I'd been misinformed then, that usage makes a lot more sense.  I've=20
not personally used System 5 (or for that matter anything older than=20
HP-UX 10.20), so I'm not always very well informed about it.


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