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Date: Mon, 18 Oct 2010 18:40:19 +0100
Message-ID: <AANLkTi=3wJPjJV=ZszWEmk6vBn-_p9ztXUQXz1ZOpC8D@mail.gmail.com>
Subject: Re: Sending signals to a subprocess
From: Andy Koppe <andy DOT koppe AT gmail DOT com>
To: cygwin AT cygwin DOT com
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On 18 October 2010 18:27, Ken Brown wrote:
> On 10/18/2010 10:58 AM, Christopher Faylor wrote:
>>
>> On Sat, Oct 16, 2010 at 02:06:56PM -0400, Ken Brown wrote:
>>>
>>> On 10/16/2010 1:17 PM, Ken Brown wrote:
>>>>
>>>> I could use some help fixing a longstanding bug in the Cygwin build of
>>>> emacs, in which emacs is unable to send signals to subprocesses. =C2=
=A0A
>>>> symptom from the user's point of view is that one cannot interrupt a
>>>> process in shell mode by typing C-c C-c. =C2=A0I've found a workaround=
 that
>>>> handles that case (SIGINT), as well as SIGQUIT and SIGTSTP. =C2=A0But =
as long
>>>> as I'm fixing this, I'd like to do it right and figure out how to hand=
le
>>>> all signals.
>>>>
>>>> This boils down to finding the right process group ID to pass to 'kill=
'.
>>>> On systems that have TIOCGPGRP, emacs uses the following code (in
>>>> src/process.c) to get this ID:
>>
>> If it helps, I can implement TIOCGPGRP so it will be available in Cygwin
>> 1.7.9.
>
> Yes, that would be great. =C2=A0Thanks.

I'd put that to use in mintty too, to improve support for relative
paths when opening a file with Ctrl+click or the 'Open' menu command.

Andy

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