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Re: PATCH (and another bug report): Re: zsh script and SIGCONT

X-seq: zsh-workers 9011
From: Zefram <zefram@xxxxxxxx>
To: schaefer@xxxxxxxxxxxxxxxxxxxxxxx (Bart Schaefer)
Subject: Re: PATCH (and another bug report): Re: zsh script and SIGCONT
Date: Mon, 13 Dec 1999 10:25:16 +0000 (GMT)
Cc: zsh-workers@xxxxxxxxxxxxxx, nirva@xxxxxxxxxxx
In-reply-to: <991212200800.ZM8901@xxxxxxxxxxxxxxxxxxxxxxx> from Bart Schaefer at "Dec 12, 1999 8: 7:59 pm"
Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm

Bart Schaefer wrote:
>Even worse than this ... if you read the script with ". p2", then ^Z only
>stops the "sleep 1" and the loop keeps going.  All three cases ought to
>behave the same as executing the loop at the top-level prompt.

They can't.  A while loop requested in the current shell *can't* be
backgrounded after being started, any more than you could background
a builtin.  The loop has to be able to affect shell variables and so
on, which means it has to execute in tthe shell process.  Of course,
if it's explicitly backgrounded when started, that's a different matter.

-zefram

References:
- PATCH (and another bug report): Re: zsh script and SIGCONT
  - From: Bart Schaefer

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