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Re: Weird interaction between zpty and trap

X-seq: zsh-workers 51605
From: Felipe Contreras <felipe.contreras@xxxxxxxxx>
To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
Cc: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: Weird interaction between zpty and trap
Date: Mon, 27 Mar 2023 15:12:46 -0600
Archived-at: <https://zsh.org/workers/51605>
In-reply-to: <CAMP44s1tixF9NZ4GmgsvY4hC_q+0G7edpXcwNfsX5_NYVDemSg@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
References: <CAMP44s1GSi7JN=7ztJ7VKn+eDcX4HsBxpDCNqrZEbZqxBdNWzw@mail.gmail.com> <CAH+w=7bE0CtUECKRw45cXMjRN3Muhq4N2+y+C4N=p3KyOxsPjg@mail.gmail.com> <CAMP44s1tixF9NZ4GmgsvY4hC_q+0G7edpXcwNfsX5_NYVDemSg@mail.gmail.com>

On Wed, Mar 22, 2023 at 5:07 PM Felipe Contreras
<felipe.contreras@xxxxxxxxx> wrote:
>
> On Wed, Mar 22, 2023 at 4:06 PM Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
> >
> > On Tue, Mar 21, 2023 at 9:50 PM Felipe Contreras
> > <felipe.contreras@xxxxxxxxx> wrote:
> > >
> > > Should the command executed by zpty keep the EXIT trap?
> >
> > Tough call.  It's technically a subshell, so by that distinction it
> > should follow the rules for subshells.
>
> The documentation of trap says:
>
>     ZERR and DEBUG traps are kept within subshells, while other traps are reset.
>
> That sounds like EXIT should be reset.

OK. I'm just going to assume it's a bug in zsh I'll have to workaround
by removing the EXIT trap manually every time inside the zpty
subshell.

-- 
Felipe Contreras

References:
- Weird interaction between zpty and trap
  - From: Felipe Contreras
- Re: Weird interaction between zpty and trap
  - From: Bart Schaefer
- Re: Weird interaction between zpty and trap
  - From: Felipe Contreras

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