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Re: problem with 'ls | less' shell function

X-seq: zsh-workers 50801
From: Jun T <takimoto-j@xxxxxxxxxxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Re: problem with 'ls | less' shell function
Date: Fri, 21 Oct 2022 16:40:27 +0900
Archived-at: <https://zsh.org/workers/50801>
In-reply-to: <B1FBED5D-68AA-4297-99FE-0D03C795F45F@kba.biglobe.ne.jp>
List-id: <zsh-workers.zsh.org>
References: <Y00dwVyJTYUk2QWn@yt.nih.at> <CAHYJk3SGs_+poYGwU+JYQBh4rQe2bf9SeuYGTpdLvfgSJSybGw@mail.gmail.com> <Y012dIpfGmPqj2Tz@yt.nih.at> <Y0+0olfiaDplISd7@localhost> <B1FBED5D-68AA-4297-99FE-0D03C795F45F@kba.biglobe.ne.jp>

> 2022/10/21 14:45, Jun T <takimoto-j@xxxxxxxxxxxxxxxxx> wrote:
> 
> 2447 is the main zsh, 3644 is the subshell for the left hand side
> of the pipeline, and 3645 is 'sleep 10'.

And the subshell is using 100% of a CPU core, in the loop
            for (; !nowait;) {        

in function execpline(), mostly lines 1779-1797 in exec.c.
The subshell have missed the SIGCHLD?

Follow-Ups:
- Re: problem with 'ls | less' shell function
  - From: Bart Schaefer

References:
- problem with 'ls | less' shell function
  - From: Thomas Klausner
- Re: problem with 'ls | less' shell function
  - From: Mikael Magnusson
- Re: problem with 'ls | less' shell function
  - From: Thomas Klausner
- Re: problem with 'ls | less' shell function
  - From: zsugabubus
- Re: problem with 'ls | less' shell function
  - From: Jun T

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