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Weird interaction between zpty and trap

X-seq: zsh-workers 51594
From: Felipe Contreras <felipe.contreras@xxxxxxxxx>
To: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Weird interaction between zpty and trap
Date: Tue, 21 Mar 2023 22:49:00 -0600
Archived-at: <https://zsh.org/workers/51594>
List-id: <zsh-workers.zsh.org>

Hi,

Playing around with zpty I noticed some error messages coming
seemingly out of nowhere until I realized there was a trap.

Should the command executed by zpty keep the EXIT trap?

    zmodload zsh/zpty

    exec 3>&2
    die() { echo >&3 "die"; }
    trap 'die' EXIT
    zpty c ':'
    trap - EXIT

-- 
Felipe Contreras

Follow-Ups:
- Re: Weird interaction between zpty and trap
  - From: Bart Schaefer

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