From: Bart Schaefer <schaefer@brasslantern.com>
To: zsh-users@zsh.org
Subject: Re: Frozen command substitution
Date: Sat, 11 Feb 2023 09:36:01 -0800 [thread overview]
Message-ID: <CAH+w=7aSWR5iVZFv0vARVy6Ssk-cHMo5+W5emMXaac+Ot_k9MQ@mail.gmail.com> (raw)
In-Reply-To: <Y+fKQcgcFKsBFHLY@localhost>
On Sat, Feb 11, 2023 at 9:03 AM Dominik Vogt <dominik.vogt@gmx.de> wrote:
>
> On Sat, Feb 11, 2023 at 10:41:07AM +0100, Dominik Vogt wrote:
> > foo freezes in a call of bar and won't wake up anymore when bar
> > terminates:
>
> > R="$(bar some arguments)" <------- hangs in this line
>
> Apparingly this does not happen if the line is rewritten to
>
> > bar some arguments | read R
Look for a file or pipe that's been opened in foo to which the
subshell for bar might still have a descriptor (obviously other than
the fd to return bar's output).
next prev parent reply other threads:[~2023-02-11 17:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-11 9:41 Dominik Vogt
2023-02-11 17:02 ` Dominik Vogt
2023-02-11 17:36 ` Bart Schaefer [this message]
2023-02-11 20:28 ` Dominik Vogt
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