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Re: (Revisited): zsh + less == hard hang of tty.

X-seq: zsh-workers 22771
From: Peter Stephenson <pws@xxxxxxx>
To: "Larry P. Schrof" <larry@xxxxxxxxxx>
Subject: Re: (Revisited): zsh + less == hard hang of tty.
Date: Tue, 26 Sep 2006 18:50:10 +0100
Cc: Zsh hackers list <zsh-workers@xxxxxxxxxx>
In-reply-to: <20060926172651.GB29060@xxxxxxxxxxxxxxxxx>
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References: <20060926142946.GA1608@xxxxxxxxxxxxxxxxx> <200609261700.k8QH0eVd001791@xxxxxxxxxxxxxx> <20060926172651.GB29060@xxxxxxxxxxxxxxxxx>

"Larry P. Schrof" wrote:
> - When I get a Linux tty to hang by doing this, log in on another tty,
>   and kill the *less* process, it terminates, and any I/O that was in
>   the buffer (from my extra keystrokes while less was hung) get
>   interpreted by the shell. zsh becomes responsive again.

Sounds from this you may need to run strace on the less inside
the zsh -c (or just do it interactively), since zsh appears to be
just blithely waiting.  We'll probably find less is trying to
grab the terminal and failing, or something like that... quite
what we do if that's the case, I'm not sure.

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070

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Follow-Ups:
- Re: (Revisited): zsh + less == hard hang of tty.
  - From: Andrey Borzenkov

References:
- Re: (Revisited): zsh + less == hard hang of tty.
  - From: Peter Stephenson
- Re: (Revisited): zsh + less == hard hang of tty.
  - From: Larry P. Schrof

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