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From: Bart Schaefer <schaefer@brasslantern.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: [BUG] ignored trap and subshell
Date: Tue, 24 Aug 2021 10:33:49 -0700	[thread overview]
Message-ID: <CAH+w=7b=sVmfpqh5R_OA-TBP=geWZQPnD2g5Qfb+r7oaoeFbhA@mail.gmail.com> (raw)
In-Reply-To: <CAH+w=7ZzBE2ZA7DUGv1aVMgMiWQxLA7-WqDpxk05guUYcNGEYw@mail.gmail.com>

On Tue, Aug 24, 2021 at 10:29 AM Bart Schaefer
<schaefer@brasslantern.com> wrote:
>
> On Tue, Aug 24, 2021 at 9:24 AM Vincent Lefevre <vincent@vinc17.net> wrote:
> >
> > However, with "emulate sh", ignored traps should still be ignored
> > in the subshell according to POSIX, and zsh 5.8 fails do conform:
>
> "emulate sh" is NOT the same as "ARGV0=sh", and is never going to be.

However, it appears this behavior isn't covered in regular sh emulation either:

% ARGV0=sh Src/zsh -c 'trap "" INT; trap; echo A; ( trap; echo B;
sleep 3; ); echo $?'
trap -- '' INT
A
B
^C130

So we should look into this.


  reply	other threads:[~2021-08-24 17:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-24 16:23 Vincent Lefevre
2021-08-24 17:29 ` Bart Schaefer
2021-08-24 17:33   ` Bart Schaefer [this message]
2021-08-25 10:10 ` Peter Stephenson
2021-08-25 10:47   ` Peter Stephenson
2021-08-25 16:07     ` Bart Schaefer

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