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From: Vincent Lefevre <vincent@vinc17.net>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Dima Kogan <dima@secretsauce.net>, zsh-workers <zsh-workers@zsh.org>
Subject: Re: Possible bug in signal handling
Date: Wed, 4 Nov 2015 15:25:21 +0100	[thread overview]
Message-ID: <20151104142521.GA31943@zira.vinc17.org> (raw)
In-Reply-To: <151103204634.ZM19567@torch.brasslantern.com>

On 2015-11-03 20:46:34 -0800, Bart Schaefer wrote:
> That's unclear.  The default response to SIGINT is supposed to be that
> the process exits, not that it only exits if it has children that have
> not yet exited.

I suppose you meant "if it does not have children...". You're thinking
about IUE (implemented by zsh, unless this has changed in the last few
years), while WCE (implemented by bash) is generally regarded to be
better:

  http://www.cons.org/cracauer/sigint.html

Dima's example may be more complex.

> If someone wants to pore over the POSIX spec and point out where it
> says that rule is countermanded for the shell, go for it.

I don't think that POSIX covers that, otherwise one wouldn't have
the above differences between POSIX shells.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


  reply	other threads:[~2015-11-04 14:31 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-02 10:10 Dima Kogan
2015-11-04  4:16 ` Bart Schaefer
2015-11-04  4:27   ` Dima Kogan
2015-11-04  4:46     ` Bart Schaefer
2015-11-04 14:25       ` Vincent Lefevre [this message]
2015-11-04 19:01         ` Bart Schaefer

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