From: Bart Schaefer <schaefer@brasslantern.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: Weird issue with pipeviewer and multiple pipes
Date: Fri, 6 May 2016 14:55:24 -0700 [thread overview]
Message-ID: <CAH+w=7bEj5KsRF-k6K=d+13bW9EsROBfUyY0+-O67XDMOPDbTw@mail.gmail.com> (raw)
In-Reply-To: <20160506223520.34b3e3c4@ntlworld.com>
[-- Attachment #1: Type: text/plain, Size: 918 bytes --]
On May 6, 2016 2:41 PM, "Peter Stephenson" <p.w.stephenson@ntlworld.com>
wrote:
>
> On Tue, 3 May 2016 20:56:14 -0700
> Bart Schaefer <schaefer@brasslantern.com> wrote:
> >On Tue, May 3, 2016 at 6:15 PM, Jaron L Tibbitts III <tibbs@math.uh.edu>
wrote:
> > >
> > > [2] + 11459 done echo 1 |
> > > 11461 suspended (tty output) pv -l -s $(echo 1) |
> > > 11462 interrupt cat
> >
> > I don't know why the $(echo) makes any
> > difference to it receiving the TTOU in the first place.
>
> Actually, it looks like This Can't Possibly Happen, since $(echo 1) is
> over and done with by the time the pv is started; we've got the output,
> closed the fd, and waited for the process to finish (by PID). So there
> is some weird lingering side effect.
Something to do with list_pipe_* handling? Is the parent confused about
the state of the child that will eventually exec pv ?
prev parent reply other threads:[~2016-05-06 21:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-04 1:15 Jason L Tibbitts III
2016-05-04 3:56 ` Bart Schaefer
2016-05-05 15:14 ` Peter Stephenson
2016-05-05 15:26 ` Bart Schaefer
2016-05-06 21:35 ` Peter Stephenson
2016-05-06 21:55 ` Bart Schaefer [this message]
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